Slug feed and wild-imitating slug breeding method

Abstract

The invention discloses a slug feed and a wild-imitating slug breeding method, and belongs to the technical field of animal wild-imitating breeding. The invention provides a slug feed. The slug feed comprises the following raw materials: fruit and vegetable wastes, rubber juice and pumpkins, the mass ratio of the fruit and vegetable wastes to the rubber juice to the pumpkins is (5-20): (1-5): (1-5). The slug feed disclosed by the invention is balanced in nutritional ingredients, can meet nutritional requirements of slugs in different growth stages, promotes growth and development of the slugs, remarkably improves the content of slug elements, and improves the commodity yield and quality of the slugs. The invention further provides a wild-imitating slug breeding method, annual production of vegetables and wild-imitating slug breeding are combined, and the method has the advantages of being low in breeding cost, high in survival rate, stable in adult effective component content and the like. The artificial breeding problems of unstable slug product yield and quality, high breeding cost, high over-summering and over-wintering death rates of larvae and adults and the like can be effectively solved, and technical reference can be provided for sustainable development and utilization of slugs.

Description

Technical Field

[0001] The invention belongs to the technical field of simulated wild animal breeding, and in particular relates to a slug feed and a method for simulating wild breeding of slugs. Background Art

[0002] Slug (Limax) is a mollusk with lungs, belonging to the Gastropoda Gastropoda Slugidae, also known as slug, Lingli, earth snail, attached snail, slug, and fetus worm. Slug is a traditional Chinese medicine. It is used as a whole. It tastes salty and cold. It enters the liver, lung, and large intestine meridians. It is mainly used to dispel wind and calm nerves, clear away heat and detoxify, and reduce swelling and relieve pain. Modern pharmacological studies have shown that slugs have a significant inhibitory effect on cancer cells such as ascites sarcoma (ARs) and human non-small cell lung cancer. At the same time, it has a good effect on the treatment of chronic bronchitis and bronchial asthma.

[0003] However, slug toxin has a series of prominent problems that restrict the sustainable and healthy development of the industry. The first and foremost problem is the supply of raw materials. The source of raw materials for enterprises relies on wild resources to collect and supply, which can only meet the needs of experiments, but there is no stable output and quality. With the rapid expansion of the scale of drug application, wild resources cannot guarantee the supply of raw materials. Therefore, as a new drug development research, slugs must be artificially bred to solve the problem of raw material demand. Therefore, it is particularly important to provide a slug breeding technology that can reduce the cost of artificial breeding, increase the survival rate of larvae and adults oversummering and wintering, and ensure the stability of slug product output and quality. Summary of the invention

[0004] In view of this, the object of the present invention is to provide a slug feed that can meet the growth, development and reproduction needs of slugs, increase the content of slug toxin, and improve the yield and quality of slugs.

[0005] Another object of the present invention is to provide a method for preparing the slug feed.

[0006] Another object of the present invention is to provide an application of the slug feed in slug breeding.

[0007] Another object of the present invention is to provide a method for simulating wild breeding of slugs, which can reduce the cost of artificial breeding, improve the survival rate of larvae and adults oversummer and winter, ensure the stability of the output and quality of slug raw materials, and effectively solve the problem of shortage of slugs as raw materials for new drug development.

[0008] In order to achieve the above-mentioned object of the invention, the present invention provides the following technical solutions:

[0009] The invention provides a slug feed, which comprises the following raw materials: fruit and vegetable waste, rubber juice and pumpkin; the mass ratio of the fruit and vegetable waste, rubber juice and pumpkin is 5-20:1-5:1-5.

[0010] The present invention also provides a method for preparing the slug feed, which comprises the following steps: washing and chopping the fruit and vegetable waste, adding rubber juice and pumpkin in proportion, and mixing.

[0011] The present invention also provides application of the slug feed in slug breeding.

[0012] The present invention also provides a method for simulating wild breeding of slugs, which utilizes vegetables to produce simulating wild breeding of slugs. The method comprises the following steps:

[0013] Slug egg laying and reproduction: prepare the land in spring and sow seasonal vegetables; keep the growing and fertilizing areas and roads for seasonal vegetables, and lay covers on the remaining areas; after the vegetables grow 3-4 leaves, release slug larvae; regularly supplement and feed the slug feed; the fruit and vegetable waste in the slug feed is the waste of the seasonal vegetables;

[0014] Slugs oversummering: harvest seasonal vegetables in June and July, build racks, and plant vine vegetables; before and after the vine vegetable seedlings are put on the racks, except for the growth and fertilization area and roads for the melon seedlings, the remaining area is covered; the slug feed is regularly supplemented and fed; the fruit and vegetable waste in the slug feed is the waste of the vine vegetables;

[0015] Slug commercial insect capture: From the end of July to the end of September, qualified slugs are captured, leaving some insect sources for egg laying;

[0016] Slug overwintering: In autumn and winter, the land is prepared and autumn and winter vegetables are planted. Except for the growing and fertilizing areas and roads for autumn and winter vegetables, the remaining areas are covered with covering materials; the slug feed is supplemented and fed regularly; the fruit and vegetable waste in the slug feed is the waste of the autumn and winter vegetables.

[0017] Preferably, the seasonal vegetables include Chinese cabbage, Chinese cabbage, eggplant, pepper, lettuce, celery or bok choy; and / or the vine vegetables include bitter melon, gourd, wax gourd, cucumber or loofah; and / or the autumn and winter vegetables include radish, lettuce, Chinese cabbage, Chinese cabbage, eggplant or lettuce.

[0018] Preferably, the covering comprises straw, bamboo slices or porous bricks.

[0019] Preferably, the laying thickness of the covering is 0.02-0.2 m.

[0020] Preferably, during the egg-laying and reproduction period of the slugs, the release amount of the slug larvae is 15 to 60 kg / mu.

[0021] Preferably, during the egg-laying and reproduction period of the slugs, the summering period of the slugs and the wintering period of the slugs, the interval for supplementary feeding of the slug feed is 5 to 20 days.

[0022] Preferably, the fresh weight of the qualified slugs is 1.2 to 2.5 g / head.

[0023] Preferably, during the simulated wild breeding cycle, the soil moisture content is maintained at 20% to 30%, and the air humidity is maintained at 70% to 75%.

[0024] Beneficial effects of the present invention:

[0025] The present invention uses fruit and vegetable waste as a base material, and adds fresh rubber juice and pumpkin of different mass ratios to prepare a special feed for slugs to eat. The nutritional components are balanced, and the nutritional requirements of slugs at different growth stages can be met, and the growth and development of slugs can be promoted. After feeding the special feed of the present invention, the content of slug toxin contained in the slugs can be significantly increased, and the quality of slug products can be improved. In addition, feeding the special feed of the present invention can also increase the hatching rate of slug eggs, and also has a good promoting effect on the growth and development of larvae.

[0026] The present invention plants seasonal vegetables on the pastoral land in spring, releases insect sources, plants vine vegetables in June and July for adults and larvae to overwinter and feed on non-commercial fruits and vegetables, plants autumn and winter vegetables after autumn and winter to continue to provide slug food and egg-laying and larval overwintering places, combines vegetable year-round production with slug simulated wild breeding, and has different purposes such as conventional vegetable planting, slug insect source cultivation, slug food and slug growth environment, slug breeding and overwintering places, greatly reduces the cost of catching slugs in the wild, and ensures the stability of raw material quality, output and price. Food and shelter for slugs are provided during the breeding process; slugs like to drill the soil, which can loosen the soil, and their excrement is a high-efficiency organic fertilizer that can promote vegetable growth. The investment in vegetable planting in each season reduces the breeding cost and solves the problem of excessive cost of slug breeding alone; at the same time, combined with the law of agricultural production activities, planting and breeding are integrated, farmers have expected income, strong willingness to participate, and are conducive to large-scale promotion. The present invention has the characteristics of low breeding cost, high survival rate, and stable content of effective ingredients in adults. It can effectively solve the problems of artificial breeding such as unstable output and quality of slug products, high breeding cost, and high mortality rate of larvae and adults oversummering and wintering. It can also effectively improve the economic benefits of land per unit area, realize increased income for farmers and increased agricultural efficiency, and provide a technical reference for the sustainable development and utilization of slugs.

[0027] The wild-simulated breeding technology of the present invention has the following main features and advantages: 1. Combining planting and breeding, using planting to supplement breeding, and farmers have a strong willingness to participate; 2. Naturally cultivate insect sources, with less investment in seedlings; 3. Seasonal vegetables + vine vegetables + autumn and winter vegetables + slugs, making full use of the laws of agricultural production activities; 4. Low investment, quick results, and conducive to large-scale promotion and demonstration; 5. Natural bionics, controllable quality. The present invention has the characteristics of low breeding cost, high survival rate, and stable content of effective ingredients in adults. It can effectively solve the problems of artificial breeding such as unstable output and quality of slug products, high breeding costs, and high mortality rates of larvae and adults oversummering and wintering, and can provide a technical reference for the sustainable development and utilization of slugs. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 The planting conditions of bitter melon in summer in Example 6;

[0029] Figure 2 The growth of the commercial slugs in the simulated wild culture period of Example 6 was observed;

[0030] Figure 3 This is the hatching situation of slug larvae at the end of March of the following year after one round of breeding in Example 6. DETAILED DESCRIPTION

[0031] The invention provides a slug feed, which comprises the following raw materials: fruit and vegetable waste, rubber juice and pumpkin; the mass ratio of the fruit and vegetable waste, rubber juice and pumpkin is preferably 5-20:1-5:1-5.

[0032] In the present invention, the fruit and vegetable waste is the non-commercial part of fruits and vegetables, including pest-infested fruits, deformed fruits, rotten or discarded fruit and vegetable stems / leaves, etc.; the types of fruits and vegetables are not particularly limited, including but not limited to vegetables such as Solanaceae, Leguminosae, Cruciferae, Asteraceae, Umbelliferae, Cucurbitaceae, or fruits such as apples, bananas, oranges, strawberries, and blueberries. The present invention does not specifically limit the types and sources of the rubber juice and pumpkin, which can be conventionally obtained according to actual needs. In the present invention, the mass ratio of the fruit and vegetable waste, rubber juice, and pumpkin is more preferably 8-10:1-3:1-3.

[0033] The present invention uses non-commercial fruits and vegetables (including diseased and insect-infested fruits, deformed fruits, rotten or discarded stems and leaves, etc., collectively referred to as fruit and vegetable waste in the present invention) as the base material, and adds fresh rubber juice and pumpkin of different mass ratios to prepare a special feed for slugs to eat. Slugs prefer latex, which may contain some elements required by slugs. Adding fresh rubber juice can not only meet the nutritional needs of slug growth and development, but also reduce the slug's feeding rate on commercial fruits and vegetables. Pumpkin is rich in nutrients, contains a variety of important vitamins, proteins and amino acids, and can meet the needs of slug growth and development. The slug feed prepared by combining fruit and vegetable waste, fresh rubber juice and pumpkin in the present invention has balanced nutrients, can meet the nutritional needs of slugs at different growth stages, and promote the growth and development of slugs. It was found through testing that, after supplementing the special feed of the present invention, the content of slug toxin in slugs can be significantly increased compared with wild slugs, thereby improving the quality of slug products. In addition, feeding the special feed of the present invention can also increase the hatching rate of slug eggs and has a good promoting effect on the growth and development of larvae. It may be that the special feed of the present invention contains certain special nutrients, thereby promoting the growth, development and reproduction of slugs.

[0034] The present invention also provides a method for preparing the slug feed, and the preparation method preferably includes the following steps: washing and chopping the fruit and vegetable waste, adding rubber juice and pumpkin in proportion, and mixing. The present invention does not specifically limit the particle size of the chopped fruit and vegetable waste, and it can be conventionally selected according to actual needs. In order to facilitate slugs to feed, as a preferred embodiment, the preparation method also includes: washing and chopping the pumpkin, and then mixing it with other raw materials; the particle size of the chopped pumpkin can be conventionally selected according to actual needs.

[0035] The present invention also provides application of the slug feed in slug breeding.

[0036] The slug feed of the present invention can meet the nutritional requirements of slugs at different growth stages, improve the hatching rate of slug eggs, promote the growth, development and reproduction of slugs, and can also increase the content of slug toxins. The slug feed is applied to slug breeding to improve the quality and yield of slugs.

[0037] The present invention provides a method for simulating wild breeding of slugs, which utilizes vegetables to produce simulating wild breeding of slugs. The method comprises the following steps:

[0038] Slug egg laying and reproduction: prepare the land in spring and sow seasonal vegetables; keep the growing and fertilizing areas and roads for seasonal vegetables, and lay covers on the remaining areas; after the vegetables grow 3-4 leaves, release slug larvae; regularly supplement and feed the slug feed; the fruit and vegetable waste in the slug feed is the waste of the seasonal vegetables;

[0039] Slugs oversummering: harvest seasonal vegetables in June and July, build racks, and plant vine vegetables; before and after the vine vegetable seedlings are put on the racks, except for the growth and fertilization area and roads for the melon seedlings, the remaining area is covered; the slug feed is regularly supplemented and fed; the fruit and vegetable waste in the slug feed is the waste of the vine vegetables;

[0040] Slug commercial insect capture: From the end of July to the end of September, qualified slugs are captured, leaving some insect sources for egg laying;

[0041] Slug overwintering: In autumn and winter, the land is prepared and autumn and winter vegetables are planted. Except for the growing and fertilizing areas and roads for autumn and winter vegetables, the remaining areas are covered with covering materials; the slug feed is supplemented and fed regularly; the fruit and vegetable waste in the slug feed is the waste of the autumn and winter vegetables.

[0042] In the present invention, the slug species are not particularly limited, including yellow slugs, two-lined mucophilous slugs or wild slugs, preferably two-lined mucophilous slugs. The land for simulating wild slug breeding can be selected according to the types of vegetables planted and actual needs, preferably fertile land, sufficient water and convenient drainage and irrigation.

[0043] In the present invention, during the egg-laying and reproduction period of slugs, the time for land preparation and sowing in spring can be conventionally selected according to actual needs, preferably from January to April, more preferably from February to March, and more preferably at the beginning of spring. The land preparation method can be conventionally selected according to actual needs. As an optional embodiment, the land is mechanically prepared at the beginning of spring, and furrows are dug; the furrow width is preferably 1 to 3m, more preferably 2 to 2.7m, and more preferably 2.5m; the furrow height is preferably 0.2 to 0.8m, more preferably 0.3 to 0.5m, and more preferably 0.4m; the furrow width is preferably 0.3 to 0.8m, more preferably 0.5 to 0.7m, and more preferably 0.6m.

[0044] In the present invention, the seasonal vegetable species can be conventionally selected according to the actual conditions of the planting site, preferably including Chinese cabbage, Chinese cabbage, eggplant, pepper, lettuce, celery or green vegetables, more preferably Chinese cabbage, Chinese cabbage or eggplant, more preferably Chinese cabbage. The row spacing and plant spacing of seasonal vegetables can be selected according to actual needs; as an optional embodiment, the row spacing is preferably 0.1-0.5m, more preferably 0.2-0.3m, more preferably 0.3m; the plant spacing is preferably 0.1-0.5m, more preferably 0.2-0.3m, more preferably 0.3m.

[0045] In the present invention, the growing and fertilizing areas and roads for seasonal vegetables are reserved, and the remaining area is paved with covering materials as a shelter for slugs to hide, mate and lay eggs, and for larvae to hatch. Preferably, the growing and fertilizing areas for seasonal vegetables account for 25% to 35% of the planting area, more preferably 30%; preferably, the roads account for 15% to 25% of the planting area, more preferably 20%. The covering material preferably includes straw, bamboo chips or porous bricks, more preferably bamboo chips or porous bricks, and bamboo chips are more preferably because they are cooler; the laying thickness of the covering material is preferably 0.02 to 0.2 m, more preferably 0.1 to 0.17 m, and more preferably 0.15 m.

[0046] In the present invention, after the vegetables grow 3-4 leaves, slug larvae are released; the slug larvae are released near the cover, so that the slug larvae can crawl under the cover and hide; the release amount of the slug larvae is preferably 15-60 kg / mu, more preferably 20-40 kg / mu, and more preferably 30 kg / mu. As an optional embodiment, after the larvae are released, nylon nets are placed around the planting site to prevent slugs from crawling outside.

[0047] In the present invention, after the slug larvae are released, slug feed based on the waste of seasonal vegetables is regularly supplemented and fed. The waste of seasonal vegetables can be conventionally collected from the planting site, or purchased through conventional channels. The raw materials of the feed include the waste of seasonal vegetables, rubber juice and pumpkin; the mass ratio of the waste of seasonal vegetables, rubber juice and pumpkin is preferably 5-20:1-5:1-5, more preferably 8-10:1-3:1-3, and more preferably 10:2:1. In the present invention, the slug feed is placed near the cover to facilitate the slugs to feed; the interval for supplementing the slug feed can be conventionally selected according to actual needs, preferably 5-20d, more preferably 8-15d, and more preferably 10d. The amount of the slug feed supplement can be routinely selected according to the feeding, growth and development of the slugs. For example, when the amount of slug larvae released is 30 kg / mu, the amount of slug feed fed is preferably 20 to 80 kg / mu each time, more preferably 30 to 60 kg / mu, and more preferably 40 kg / mu.

[0048] In the present invention, during the egg-laying and reproduction period of slugs, conventional management is performed on the planting land according to actual needs; preferably, alkaline pesticides are not applied and lime is prohibited; the soil moisture content is preferably maintained within the range of 20% to 30%, and the air humidity is preferably maintained within the range of 70% to 75%.

[0049] In the present invention, during the slugs' summering period, after harvesting seasonal vegetables, a frame is set up to meet the growth needs of vine vegetables. As an implementable method, after harvesting seasonal vegetables in June and July, bamboo and wooden frames and nets are set up on the original land, and small holes are dug to plant vine vegetables; the vine vegetables are planted in the small holes with a specification of 1-5m×1-5m, more preferably 2-4m×2-4m, and more preferably 3m×2m; preferably, the vine vegetable nutrient cup seedlings are planted in the small holes.

[0050] In the present invention, the types of vine vegetables can be conventionally selected according to the actual conditions of the planting site, preferably including bitter melon, gourd, wax gourd, cucumber or sponge gourd, more preferably bitter melon, gourd, cucumber or sponge gourd, more preferably bitter melon.

[0051] In the present invention, before and after the vine vegetable seedlings are placed on the shelves, the growing and fertilizing areas and roads of the vine vegetables are retained, and the remaining area is paved with covering materials as a shelter for slugs to hide, mate and lay eggs, and for larvae to hatch. Preferably, the growing and fertilizing areas of the vine vegetables account for 25% to 35% of the planting area, more preferably 30%; preferably, the roads account for 15% to 25% of the planting area, more preferably 20%. The covering material preferably includes straw, bamboo chips or porous bricks, more preferably bamboo chips or porous bricks, and bamboo chips are more preferably because they are cooler; the laying thickness of the covering material is preferably 0.02 to 0.2m, more preferably 0.1 to 0.17m, and more preferably 0.15m.

[0052] In the present invention, during the summering period of slugs, slug feed based on the waste of vine vegetables is regularly supplemented and fed. The waste of vine vegetables can be conventionally collected from the planting site, or purchased through conventional channels. The raw materials of the feed include the waste of vine vegetables, rubber juice and pumpkin; the mass ratio of the waste of vine vegetables, rubber juice and pumpkin is preferably 5-20:1-5:1-5, more preferably 8-10:1-3:1-3, and more preferably 10:1:1. In the present invention, the slug feed is placed near the cover to facilitate the slugs to feed; the interval for supplementing the slug feed can be conventionally selected according to actual needs, preferably 5-20d, more preferably 8-15d, and more preferably 10d. The amount of the slug feed supplement can be conventionally selected according to the feeding, growth and development of the slugs. For example, when the amount of slug larvae released is 30 kg / mu, the amount of slug feed fed is preferably 20 to 80 kg / mu each time, more preferably 30 to 60 kg / mu, and more preferably 50 kg / mu.

[0053] In the present invention, during the slugs' summering period, conventional management is performed on the planting land according to actual needs; preferably, alkaline pesticides are not applied and lime is prohibited; the soil moisture content is preferably maintained within the range of 20% to 30%, and the air humidity is preferably maintained within the range of 70% to 75%.

[0054] In the present invention, qualified slugs are captured from the end of July to the end of September; the capturing method can be conventionally selected according to actual needs, preferably using rainwater or artificial water spraying method for capturing; the fresh weight of the qualified slugs is preferably 1.2-2.5 g / head, more preferably 1.5-2.2 g / head, and more preferably 2.0 g / head; the number of captures can be conventionally selected according to actual conditions, preferably 4-5 times. After capturing qualified slugs, some insect sources are left for egg laying.

[0055] In the present invention, in the autumn and winter period, the land is prepared in time and autumn and winter vegetables are planted; the autumn and winter period is preferably from November to December; the land preparation method can be conventionally selected according to actual needs; the types of autumn and winter vegetables can be conventionally selected according to the actual conditions of the planting site, preferably including radish, lettuce, Chinese cabbage, Chinese cabbage, eggplant or lettuce, further preferably lettuce or Chinese cabbage, more preferably Chinese cabbage; the planting method can be conventionally selected according to actual needs.

[0056] In the present invention, after planting autumn and winter vegetables, the growing and fertilizing areas and roads for the autumn and winter vegetables are retained, and the remaining area is paved with covering materials as a shelter, so that the remaining slugs can mate and lay eggs, and the larvae can hatch, providing the larvae with food and places to overwinter. Preferably, the growing and fertilizing areas for autumn and winter vegetables account for 25% to 35% of the planting area, more preferably 30%; preferably, the roads account for 15% to 25% of the planting area, more preferably 20%. The covering material preferably includes straw, bamboo chips or porous bricks, more preferably straw or bamboo chips, and more preferably straw because straw has a heat-insulating effect; the laying thickness of the covering material is preferably 0.02 to 0.2 m, more preferably 0.1 to 0.17 m, and more preferably 0.15 m.

[0057] In the present invention, during the hibernation period of slugs, slug feed based on the waste of autumn and winter vegetables is regularly supplemented and fed. The waste of autumn and winter vegetables can be conventionally collected from the planting site, or purchased through conventional channels. The raw materials of the feed include the waste of autumn and winter vegetables, rubber juice and pumpkin; the mass ratio of the waste of autumn and winter vegetables, rubber juice and pumpkin is preferably 5-20:1-5:1-5, more preferably 8-10:1-3:1-3, and more preferably 8:1:1. In the present invention, the slug feed is placed near the cover to facilitate the slugs to feed; the interval for supplementing the slug feed can be conventionally selected according to actual needs, preferably 5-20d, more preferably 10-17d, and more preferably 15d. The amount of the slug feed supplemented can be routinely selected according to the feeding, growth and development of the slugs. Since the slug activity decreases in autumn and winter, the amount of supplementary feed can be appropriately reduced. For example, when the amount of slug larvae released is 30 kg / mu, the amount of slug feed fed is preferably 15 to 60 kg / mu each time, more preferably 25 to 50 kg / mu, and more preferably 30 kg / mu.

[0058] In the present invention, during the hibernation period of slugs, conventional management is performed on the planting land according to actual needs; preferably, alkaline pesticides are not applied and lime is prohibited; the soil moisture content is preferably maintained within the range of 20% to 30%, and the air humidity is preferably maintained within the range of 70% to 75%.

[0059] In the present invention, the remaining insect sources after catching qualified slugs can be used as insect sources for repeating the planting and breeding mode in the second year after wintering, and can also be sold as commodities.

[0060] In the present invention, the applicable area of ​​the method of simulating wild breeding of slugs is not particularly limited, and can be conventionally selected according to actual needs. It is preferably the South China region, including but not limited to Guangdong, Guangxi, Hainan, etc., and is further preferably Guangxi.

[0061] The two-line mucus-loving slug has one generation per year. The mating time is mostly from early February to mid-April. The egg-laying period is from mid-February to late May, and the peak period is in early April. It takes about 299-325 days from the initial hatching of larvae to egg-laying reproduction, and its life span is generally 325-375 days. The breeding cycle of the two-line mucus-loving slug is one year. From the end of July to the end of September each year, qualified adults are generally collected in batches 4-5 times. After October, the content of slug toxin in them gradually decreases, and the product quality is reduced.

[0062] According to the law of vegetable year-round production in Guangxi, the present invention plants seasonal vegetables in different seasons, which not only provides nutritious food for slugs, but also provides a shelter for them to hide, shade and lay eggs; at the same time, the habits and excrement of slugs are utilized to effectively promote the growth of vegetables. Chinese cabbage can attract slugs to lay eggs, while Chinese cabbage is not as good as Chinese cabbage in attracting slugs to lay eggs, but it is more beneficial to the growth and development of slugs. Therefore, according to the growth and reproduction law of slugs, in the beginning of spring, the most preferred seasonal vegetable is Chinese cabbage, which can attract slugs to lay more eggs; and in the autumn and winter seasons, the most preferred seasonal vegetable is Chinese cabbage, which can provide sufficient nutrition for the growth and development of slugs and is beneficial to their wintering. At the same time, in the hot summer season, planting economic vine vegetables can not only provide a food source for slugs, but also provide a shaded environment for slugs to avoid the heat, effectively reducing the mortality rate of larvae and adults oversummering.

[0063] Slugs like dark and humid environments. In the natural environment, they often live in dark and humid places such as farmland, under stones, fallen leaves or in the grass that are rich in humus. They come out at night and in rainy weather and avoid direct exposure to the sun. Therefore, in the fruit and vegetable base, in addition to retaining the fruit and vegetable growth and fertilization areas and roads, the remaining area of ​​the present invention is paved with covering materials as a shelter for the growth and activities of slugs, so that slugs can hide, mate and lay eggs and larvae can hatch. After artificially setting up the shelter, the survival rate of slug larvae and adults can be significantly improved. In addition, slugs have a gregarious nature, and setting up the shelter also facilitates the harvesting of adults and eggs.

[0064] Slugs have the characteristics of large number, miscellaneous diet, and large appetite. The present invention adopts the method of mixed feeding of different feeds to meet the nutritional needs of various amino acids and trace vitamins at different growth stages through nutritional matching, thereby promoting the growth and development of slugs. At the same time, in order not to affect the yield and appearance of seasonal vegetables and improve the product quality of slugs, the present invention uses vegetable waste of different seasons as the base material, and adds fresh rubber juice and pumpkin of different mass ratios to prepare special feed for slugs. Slugs have obvious feeding preferences for the special slug feed of the present invention, thereby avoiding slugs from feeding on planted commercial vegetables; by regularly supplementing and feeding the special feed of the present invention, it can not only meet the nutritional needs of slug growth and development and increase the content of slug toxin, but also provide slugs with sufficient food, reduce foraging behavior, and reduce the range of activities, thereby reducing the harm of slugs to planted commercial vegetables. In addition, regular supplementation of the special feed of the present invention can also improve the hatching rate of slug eggs. Using the method of the present invention, 2.30-4.32 million slug larvae can be bred per mu each year.

[0065] Using the method of the present invention, the fresh weight of qualified slugs in the harvest season is generally in the range of 1.2-2.5g. It has been found through testing that slugs with a fresh weight of less than 1.2g in the harvest season are either developed from larvae, and the slug toxin content contained in the early stage of slug growth and development is generally low and unstable; secondly, they are underdeveloped slugs, and their slug toxin content is usually low. The number of slugs with a fresh weight of more than 2.5g is small, and most of them are overdeveloped, and the slug toxin content in them gradually decreases. Slugs with a fresh weight of 1.2-2.5g in the harvest season are more suitable as commercial insects, and the slug toxin content contained in them is high and stable.

[0066] Year-round vegetable production refers to the use of conventional land and different vegetable varieties to produce and cultivate in different seasons, naturally meeting the environment and conditions suitable for vegetable growth, improving land utilization, and increasing the yield and color variety of vegetable production, thereby ensuring a balanced market supply. However, years of expanded production have led to a large-scale decline in the income of many bases. The present invention combines year-round vegetable production with slug simulated wild breeding, with simulated wild breeding of slugs as the main method, supplemented by growing vegetables + climbing fruits, and vegetable and fruit waste can be used as slug food, and can provide slugs with a shaded and cool environment in summer. Slugs like to drill into the soil, which can loosen the soil, and their excrement is a high-efficiency organic fertilizer that can promote the growth of fruits and vegetables. The present invention utilizes vegetables to produce wild-simulated breeding slugs throughout the year, and adopts a model of combining planting and breeding, which can not only solve the fertilizer source of fruits and vegetables, but also save the feed cost of slugs, while reducing the impact of breeding manure on the environment and improving soil structure. It is a green ecological cycle and sustainable development model.

[0067] The method of the present invention combines different purposes such as conventional vegetable planting, slug source cultivation, slug food and slug growth environment, slug reproduction and overwintering places, which greatly reduces the cost of catching slugs in the wild and ensures the stability of raw material quality, output and price. Food and shelter are provided for slugs during the breeding process; slugs like to burrow into the soil, which can loosen the soil, and their excrement is a kind of high-efficiency organic fertilizer that can promote the growth of vegetables. The investment in vegetable planting in each season reduces the breeding cost and solves the problem of excessive cost of slug breeding alone; at the same time, combined with the laws of agricultural production activities, planting and breeding are integrated, farmers have expected income, strong willingness to participate, and are conducive to large-scale promotion. The invention has the characteristics of low breeding cost, high survival rate, stable content of effective ingredients in adults, etc., can effectively solve the problems of artificial breeding such as unstable output and quality of slug products, high breeding cost, high mortality rate of larvae and adults during summer and winter, and can provide a technical reference for the sustainable development and utilization of slugs.

[0068] The technical solutions provided by the present invention are described in detail below in conjunction with the embodiments, but they should not be construed as limiting the protection scope of the present invention.

[0069] In the following embodiments, unless otherwise specified, all of them are conventional methods.

[0070] Unless otherwise specified, the materials and reagents used in the following examples can be obtained from commercial sources.

[0071] Example 1

[0072] A slug feed is prepared from the following raw materials: fruit and vegetable waste, rubber juice and pumpkin; the mass ratio of the fruit and vegetable waste, rubber juice and pumpkin is 10:1:1; and the fruit and vegetable is eggplant.

[0073] The preparation method of slug feed is as follows: fruit and vegetable waste and pumpkin are washed and chopped, rubber juice and pumpkin are added to the fruit and vegetable waste in proportion, and the mixture is fully mixed to obtain slug feed.

[0074] Example 2

[0075] A slug feed is prepared from the following raw materials: fruit and vegetable waste, rubber juice and pumpkin; the mass ratio of the fruit and vegetable waste, rubber juice and pumpkin is 5:1:5; and the fruit and vegetable is soybean.

[0076] The preparation method of slug feed is as follows: fruit and vegetable waste and pumpkin are washed and chopped, rubber juice and pumpkin are added to the fruit and vegetable waste in proportion, and the mixture is fully mixed to obtain slug feed.

[0077] Example 3

[0078] A slug feed is prepared from the following raw materials: fruit and vegetable waste, rubber juice and pumpkin; the mass ratio of the fruit and vegetable waste, rubber juice and pumpkin is 20:5:1; and the fruit and vegetable is loofah.

[0079] The preparation method of slug feed is as follows: fruit and vegetable waste and pumpkin are washed and chopped, rubber juice and pumpkin are added to the fruit and vegetable waste in proportion, and the mixture is fully mixed to obtain slug feed.

[0080] Example 4

[0081] A slug feed is prepared from the following raw materials: fruit and vegetable waste, rubber juice and pumpkin; the mass ratio of the fruit and vegetable waste, rubber juice and pumpkin is 13:3:2; and the fruit and vegetable is strawberry.

[0082] The preparation method of slug feed is as follows: fruit and vegetable waste and pumpkin are washed and chopped, rubber juice and pumpkin are added to the fruit and vegetable waste in proportion, and the mixture is fully mixed to obtain slug feed.

[0083] Example 5

[0084] A slug feed is prepared from the following raw materials: fruit and vegetable waste, rubber juice and pumpkin; the mass ratio of the fruit and vegetable waste, rubber juice and pumpkin is 7:2:4; and the fruit and vegetable is banana.

[0085] The preparation method of slug feed is as follows: fruit and vegetable waste and pumpkin are washed and chopped, rubber juice and pumpkin are added to the fruit and vegetable waste in proportion, and the mixture is fully mixed to obtain slug feed.

[0086] Example 6

[0087] A method for simulating wild breeding of slugs:

[0088] 1) Choose fertile land with sufficient water and convenient irrigation and drainage. At the beginning of spring, the land is mechanically prepared, and the ridges are dug. The ridges are 2.5m wide and 0.4m high, and the ditch width is 0.6m. Chinese cabbage is sown with a row spacing of 0.3m×0.3m. In addition to the growing and fertilizing area of ​​Chinese cabbage (about 30% of the land area) and the road (about 20% of the land area), the rest of the area is paved with 0.15m thick bamboo strips as shelters. After the vegetables grow 3-4 leaves, 30kg of double-line mucophagous slugs are placed near the laid bamboo strips per mu, and the fresh weight of each slug larva is 0.2-0.3g. Wash the Chinese cabbage waste and pumpkin and chop them with a knife. Add fresh rubber juice and pumpkin to the Chinese cabbage waste in a ratio of 10:2:1. Mix well to get slug feed. Feed slug feed every 10 days. The feeding amount of slug feed is 40kg / mu each time. Put slug feed near bamboo slices. Conventional management, no alkaline pesticides, no lime, keep soil moisture content at 20%-30%, air humidity 70%-75%.

[0089] 60 days after the Chinese cabbage was sown, the growth and reproduction of slugs and the growth of Chinese cabbage were observed and counted. It was found that the adult slugs grew well, with an average fresh weight of 1.0g per head; the average number of eggs laid by each slug was 50, the survival rate of the eggs was about 80%, the hatching rate was about 80%, and the hatched larvae grew well, with an average fresh weight of 0.45g per larva. The Chinese cabbage grew well, with few signs of slug feeding, and the appearance was good.

[0090] 2) After harvesting the commercial part of Chinese cabbage in June and July, set up the corresponding bamboo and wooden frames and nets on the original land, dig small holes with a size of 3m×2m to plant bitter melon; except for the bitter melon growth and fertilization area (about 30% of the land area) and the road (about 20% of the land area), the rest of the area is paved with 0.15m thick bamboo strips as shelters. Wash the bitter melon waste and pumpkin and chop them with a knife. Add fresh rubber juice and pumpkin to the bitter melon waste in a ratio of 10:1:1. Mix well to get slug feed. Feed slug feed every 10 days. The feeding amount of slug feed each time is 50kg / mu. The slug feed is placed near the bamboo strips. Conventional management, no alkaline pesticides are applied, lime is prohibited, and the soil moisture content is maintained at 20%-30% and the air humidity is 70%-75%.

[0091] 60 days after planting bitter melon, the growth of slug adults and larvae and the growth of bitter melon were observed and counted. It was found that the adults grew well, with an average fresh weight of 1.5g per adult; the larvae grew well, with an average fresh weight of 0.78g per larva. The bitter melon grew well, with few signs of slug feeding, and the appearance was good.

[0092] 3) From the end of July to the end of September, use rainwater or artificial water spraying to promptly capture slugs with a fresh weight of 1.2-2.5g as commercial insects, leaving some insect sources to lay eggs, and collect them 4-5 times.

[0093] According to statistics, the survival rate of adult slugs over the summer is about 90%, that is, the average number of adult slugs harvested per mu is about 112,500, and slugs with a fresh weight of 1.2-2.5g are captured as commercial insects, with a commercial rate of about 60%. The average fresh weight of each slug is 1.9g, and the average fresh weight of the harvested commercial slugs is about 128kg.

[0094] 4) In autumn and winter (November-December), land preparation is carried out in time to plant Chinese cabbage. Except for the growing and fertilizing area of ​​Chinese cabbage (about 30% of the land area) and the road (about 20% of the land area), the remaining area is paved with 0.15m thick straw as a shelter, so that the remaining slugs can mate and lay eggs, and the larvae can hatch, providing food and places for the larvae to overwinter. Wash the Chinese cabbage waste and pumpkin, chop them with a knife, add fresh rubber juice and pumpkin to the Chinese cabbage waste in a ratio of 8:1:1, mix well to get slug feed, feed slug feed every 15 days, and feed slug feed every time at a rate of 30kg / mu. Put the slug feed near the straw. Conventional management, do not apply alkaline pesticides, prohibit the use of lime, keep the soil moisture content at 20%-30%, and the air humidity at 70%-75%. The planting and breeding model is repeated in the second year using the remaining insect sources.

[0095] 60 days after the planting of pakchoi, the growth of the remaining slug adults and larvae and the growth of pakchoi were observed and counted. It was found that the remaining uncaptured adults gradually died naturally; while the slug larvae grew well, with an average fresh weight of 1.2g per head. A small number of large slugs were observed to lay eggs, and the slug overwintering survival rate was about 90%. The pakchoi grew well, with few signs of slug feeding, and the appearance was good.

[0096] According to statistics, 30kg of slugs are put into the land per mu, the fresh weight of each slug larva is 0.2-0.3g, the survival rate of slugs is over 90%, the average number of slug adults per mu in the harvest season is about 112,500, the average commercial rate is 60% (the proportion of qualified slugs), the number of commercial slugs is about 67,500, the average fresh weight of each slug is 1.9g, and the fresh weight of harvested slugs is about 128kg / mu. The dry-fresh ratio of commercial slugs is 1:13 (the moisture content of dry products is 15%), and the fresh weight of 128kg slugs is about 9.8kg of dry products. Based on the company's current purchase price of 2,500 yuan / kg of dry products, the annual income per mu is 24,500 yuan. Excluding the breeding input cost of 6,000 yuan, the profit of breeding slugs per mu is 18,500 yuan. The annual vegetable planting investment per mu consists of seeds, labor, fertilizer, water, pesticides, etc., plus bamboo, wood, sprinkler and other trellis facilities. The field planting cost investment: 2,000 yuan for spring vegetables + 2,000 yuan for summer and autumn vine vegetables + 2,000 yuan for winter vegetables + 1,000 yuan for facilities, totaling about 7,000 yuan; planting income: 3,000 yuan for spring vegetables + 4,000 yuan for vine vegetables + 4,000 yuan for autumn and winter vegetables, about 11,000 yuan. Excluding the planting cost, the vegetable profit is 11,000-7,000 = 4,000 yuan. In summary, the annual income per mu of simulated wild breeding slugs produced by vegetable year-round production is about 22,500 yuan, which can significantly increase the income from breeding. In addition, each slug lays an average of 40-50 eggs per year, the egg survival rate is over 80%, and the hatching rate is over 80%. Each year, 2.3-4.32 million slug larvae can be bred per mu, which can not only provide part of the insect source for breeding in the next year, but also be sold as commodities, further reducing breeding costs and increasing breeding income.

[0097] Example 7

[0098] A method for simulating wild breeding of slugs:

[0099] Example 6 was repeated, except that the Chinese cabbage planted in step 1) was replaced with Chinese cabbage; the slug feed formula in step 1) was replaced with Chinese cabbage waste, fresh rubber juice and pumpkin; and the remaining steps and parameters were the same as in Example 6.

[0100] According to observation and statistics, 60 days after the Chinese cabbage was planted, the slug adults grew well, with an average fresh weight of 0.98g per head; the average number of eggs laid by each slug was 45, the egg mass survival rate was about 80%, the hatching rate was about 80%, and the larvae grew well, with an average fresh weight of 0.43g per head. Compared with Example 6, the fresh weight of slug adults and larvae decreased, and the egg laying amount decreased, indicating that Chinese cabbage is more suitable for slug egg laying and reproduction than Chinese cabbage.

[0101] After breeding in summer and autumn and winter, the growth and development of slug larvae in autumn and winter and the survival rate during the winter can almost be restored to the level equivalent to that of Example 6.

[0102] Example 8

[0103] A method for simulating wild breeding of slugs:

[0104] Example 6 was repeated, except that the ratio of the slug feed raw materials in step 1) was replaced by: Chinese cabbage waste, fresh rubber juice, and pumpkin in a mass ratio of 10:5:1; the remaining steps and parameters were the same as in Example 6.

[0105] According to observation and statistics, 60 days after the Chinese cabbage was planted, the adult slugs grew well, with an average fresh weight of 0.82g per head; the average number of eggs laid by each slug was 38, the egg mass survival rate was about 78%, the hatching rate was about 80%, and the larvae grew well, with an average fresh weight of 0.36g per head. Compared with Example 6, the fresh weight of adults decreased; the egg laying amount of slugs decreased, the egg mass survival rate decreased, and the growth and development speed of larvae decreased, indicating that the higher the rubber juice content, the better, and high concentrations of rubber juice may inhibit the growth and reproduction of slugs.

[0106] Example 9

[0107] A method for simulating wild breeding of slugs:

[0108] Example 7 was repeated, except that the slug feed raw material ratio in step 1) was replaced by: Chinese cabbage waste, fresh rubber juice, and pumpkin in a mass ratio of 10:1:1; the remaining steps and parameters were the same as in Example 7.

[0109] According to observation and statistics, 60 days after the planting of pakchoi, the slug adults grew well, with an average fresh weight of 0.88g per head; the average number of eggs laid by each slug was 40, the survival rate of the egg mass was about 80%, the hatching rate was about 70%, and the larvae grew well, with an average fresh weight of 0.4g per head. Compared with Example 7, the fresh weight of adults decreased; the number of slug eggs decreased, the hatching rate of the egg mass decreased, and the growth and development speed of the larvae decreased, which may be due to the decrease in the proportion of rubber juice inhibiting the growth and reproduction of the slugs.

[0110] Example 10

[0111] A method for simulating wild breeding of slugs:

[0112] Example 7 was repeated, except that the pakchoi planted in step 4) was replaced by lettuce; the slug feed formula in step 4) was replaced by lettuce waste, fresh rubber juice and pumpkin; and the remaining steps and parameters were the same as in Example 7.

[0113] According to observation and statistics, 60 days after the lettuce was planted, the slug larvae grew well, with an average fresh weight of 0.95 g per head, a small number of slugs laying eggs, and a slug overwintering survival rate of about 82%. Compared with Example 7, the fresh weight of the slug larvae decreased and the overwintering survival rate decreased, indicating that pakchoi is more suitable for the growth and reproduction of slugs than lettuce, and can also improve the stress resistance of slugs.

[0114] Embodiment 11

[0115] A method for simulating wild breeding of slugs:

[0116] Example 7 was repeated, except that the straw in the shelter in step 4) was replaced with bamboo chips; the remaining steps and parameters were the same as those in Example 7.

[0117] According to observation and statistics, in autumn and winter, 60 days after the planting of pakchoi, the slug larvae grew well, with an average fresh weight of 1.0 g per head, a small number of large slugs were observed to lay eggs, and the slug overwintering survival rate was about 82%. Compared with Example 7, the slug fresh weight and overwintering survival rate decreased, which may be due to the fact that the insulation effect of bamboo chips is not as good as that of rice straw.

[0118] Example 12

[0119] A method for simulating wild breeding of slugs:

[0120] Example 6 was repeated, except that the bitter melon planted in step 2) was replaced by cucumber; the slug feed formula in step 2) was replaced by cucumber waste, fresh rubber juice and pumpkin; and the remaining steps and parameters were the same as in Example 6.

[0121] According to observation and statistics, 60 days after cucumber planting, the adults grew well, with an average fresh weight of 1.3 g per head; the larvae grew well, with an average fresh weight of 0.73 g per head. Compared with Example 6, the fresh weight of adults and larvae decreased, indicating that bitter melon is more suitable for the growth and development of slug larvae and adults than cucumber.

[0122] Embodiment 13

[0123] A method for simulating wild breeding of slugs:

[0124] Example 8 was repeated, except that the slug feed raw material ratio in step 1) was replaced by Chinese cabbage waste, fresh rubber juice, and pumpkin in a mass ratio of 8:1:2; the remaining steps and parameters were the same as in Example 8.

[0125] According to observation and statistics, 60 days after the Chinese cabbage was planted, the slug adults grew well, with an average fresh weight of 0.88 g per head; the average number of eggs laid by each slug was 42, the egg mass survival rate was about 80%, the hatching rate was about 80%, and the larvae grew well, with an average fresh weight of 0.4 g per head. Compared with Example 8, the fresh weight of adults increased; the number of eggs laid by slugs, the survival rate of egg masses and the growth and development speed of larvae were all improved, indicating that the growth and reproduction of slugs require a suitable material ratio.

[0126] Embodiment 14

[0127] A method for simulating wild breeding of slugs:

[0128] Example 8 was repeated, except that the amount of insect source released in step 1) was replaced with 40 kg / mu; the remaining steps and parameters were the same as those in Example 8.

[0129] According to observation and statistics, 60 days after the Chinese cabbage was planted, the slug adults grew well, with an average fresh weight of 0.75 g per head; the average number of eggs laid by each slug was 36, the egg mass survival rate was about 75%, the hatching rate was about 75%, and the larvae grew well, with an average fresh weight of 0.36 g per head. Compared with Example 8, the slug fresh weight, slug egg laying, egg mass survival rate and hatching rate were all reduced, which may be due to the increase in insect source density, which affected the growth and reproduction of slugs.

[0130] Embodiment 15

[0131] A method for simulating wild breeding of slugs:

[0132] Example 6 was repeated, except that the ratio of the slug feed raw materials in step 2) was replaced with 20:1:2; the remaining steps and parameters were the same as those in Example 6.

[0133] According to observation and statistics, 60 days after bitter melon planting, the adults grew well, with an average fresh weight of 1.2 g per head; the larvae grew well, with an average fresh weight of 0.68 g per head; compared with Example 6, the fresh weight of slug adults and larvae decreased, indicating that changes in the feed formula ratio will affect the growth of slugs.

[0134] Example 16

[0135] A method for simulating wild breeding of slugs:

[0136] Example 6 was repeated, except that the bamboo sheets for shelter in step 1) were replaced with porous bricks; the remaining steps and parameters were the same as those in Example 6.

[0137] According to observation and statistics, 60 days after the Chinese cabbage was planted, the slug adults grew well, with an average fresh weight of 0.92g per head; the average number of eggs laid by each slug was 40, the survival rate of the egg mass was about 75%, the hatching rate was about 76%, and the hatched larvae grew well, with an average fresh weight of 0.4g per head. Compared with Example 6, the fresh weight of slug adults and larvae decreased, the number of slug eggs decreased, and the survival rate and hatching rate of the egg mass decreased, indicating that bamboo pieces are more suitable for the growth and development of slugs than porous bricks.

[0138] Embodiment 17

[0139] A method for simulating wild breeding of slugs:

[0140] Example 6 was repeated, except that the thickness of the shelter in step 4) was replaced with 0.02 m; the remaining steps and parameters were the same as those in Example 6.

[0141] According to observation and statistics, 60 days after the Chinese cabbage was planted, the slugs grew normally, with an average fresh weight of 0.86 g per head and a slug survival rate of about 72% during the winter. Compared with Example 6, the slug fresh weight and survival rate were both reduced, which may be due to the reduced thickness of the rice straw affecting the insulation effect.

[0142] Comparative Example 1

[0143] A method for simulating wild breeding of slugs:

[0144] Example 6 was repeated, except that the feed formula in step 2) was replaced by bitter melon waste; the remaining steps and parameters were the same as those in Example 6.

[0145] According to observation and statistics, 60 days after the bitter melon was planted, the survival rate of slugs was 45%, the growth was poor, the average fresh weight of each adult was 0.68g, and a large number of larvae died, with an average fresh weight of 0.43g per head. Moreover, the appearance of the bitter melon products was average, and most of them had traces of being eaten by slugs. Compared with Example 6, the survival rate of slugs was significantly reduced, and the growth and development were slow. It may be that the feed ingredients were single and could not meet the needs of slug growth and development; at the same time, due to the lack of other food to attract, the slugs had indiscriminate feeding behavior, which affected the appearance of the bitter melon products.

[0146] Comparative Example 2

[0147] A method for simulating wild breeding of slugs:

[0148] Example 6 was repeated, except that the ratio of the slug feed raw materials in step 4) was replaced with 2:6:6; the remaining steps and parameters were the same as in Example 6.

[0149] According to observations and statistics, most of the slugs died and grew poorly 60 days after the Chinese cabbage was planted; the leaves of the Chinese cabbage turned yellow and grew unevenly, indicating that inappropriate feed combination concentration and proportion will inhibit the growth and development of slugs and also affect the growth of vegetables.

[0150] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A slug feed, characterized in that: The feed comprises the following raw materials: fruit and vegetable waste, rubber juice and pumpkin; the mass ratio of the fruit and vegetable waste, rubber juice and pumpkin is 5-20:1-5:1-5.

2. The method for preparing slug feed according to claim 1, characterized in that: The preparation method comprises the following steps: washing and chopping the fruit and vegetable waste, adding rubber juice and pumpkin in proportion, and mixing them evenly.

3. Use of the slug feed according to claim 1 in slug breeding.

4. A method for simulating wild breeding of slugs, characterized in that: The method utilizes vegetables to produce wild-simulated breeding slugs all year round, and the method comprises the following steps: Slug egg laying and reproduction: prepare the land in spring and sow seasonal vegetables; keep the growing and fertilizing areas and roads for seasonal vegetables, and lay covers on the remaining areas; after the vegetables grow 3-4 leaves, release slug larvae; regularly supplement and feed the slug feed according to claim 1; the fruit and vegetable waste in the slug feed is the waste of seasonal vegetables; Slugs oversummering: harvest seasonal vegetables in June and July, build racks, and plant vine vegetables; before and after the vine vegetable seedlings are put on the racks, except for the growth and fertilization area and roads for the melon seedlings, the remaining area is covered; regularly supplement and feed the slug feed according to claim 1; the fruit and vegetable waste in the slug feed is the waste of the vine vegetables; Slug commercial insect capture: From the end of July to the end of September, qualified slugs are captured, leaving some insect sources for egg laying; Slug overwintering: in autumn and winter, land preparation is carried out, autumn and winter vegetables are planted, and except for the growing and fertilizing areas and roads for autumn and winter vegetables, the remaining areas are covered with covering materials; the slug feed according to claim 1 is regularly supplemented and fed; the fruit and vegetable waste in the slug feed is the waste of the autumn and winter vegetables.

5. The method according to claim 4, characterized in that The seasonal vegetables include Chinese cabbage, Chinese cabbage, eggplant, pepper, lettuce, celery or bok choy; and / or the vine vegetables include bitter melon, gourd, wax gourd, cucumber or loofah; and / or the autumn and winter vegetables include radish, lettuce, Chinese cabbage, Chinese cabbage, eggplant or lettuce.

6. The method according to claim 4, characterized in that The covering material includes straw, bamboo pieces or porous bricks.

7. The method according to claim 4, characterized in that The laying thickness of the covering is 0.02-0.2 m.

8. The method according to claim 4, characterized in that During the egg-laying and reproduction period of the slugs, the release amount of the slug larvae is 15 to 60 kg / mu.

9. The method according to claim 4, characterized in that During the egg-laying and reproduction of the slugs, the summering of the slugs and the wintering of the slugs, the interval for supplementing and feeding the slug feed is 5 to 20 days.

10. The method according to claim 4, characterized in that During the simulated wild breeding cycle, maintain the soil moisture content at 20% to 30% and the air humidity at 70% to 75%.

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