143 results about "Pond loach" patented technology

The invention discloses a planting and breeding integrated ecological breeding method for a large fishpond. Famous and special breeding varieties such as common carps, golden carps, grass carps, chubs, penaeus vannawei, loaches, soft-shelled turtles, river crabs and the like are put in a suitable place to breed in a breeding pond; and the stocking ratio of herbivorous fishes to forage fishes to demersal residual feed animals by weight percentage is (35-40%) to (50-55%) to (10-15%). Proper biological varieties are selected according to biological requirements of ecological niches and cooperate to build an eco-friendly environment, forage grasses are planted for feeding the herbivorous fishes, the feces of the herbivorous fishes and a water body can produce primary biological baits, the primary biological baits are supplied to shrimps and secondary nutritional fishes, and organic detritus produced by the water body sinks to the bottom of water and is ingested by the demersal loaches, crabs and the like. At the same time, lotus roots and cane shoots are planted in the breeding water body and nutritive salt in the water body is removed for purifying the water, so that a novel high-efficiency energy-saving planting and breeding integrated ecological breeding mode is formed.

The invention provides an industrial loach breeding and fry culturing method and belongs to the field of aquaculture. The method includes industrial breeding and fry culturing workshop construction and a specific breeding and fry culturing method. The specific breeding and fry culturing method includes: arranging bi-layer open net cages in a cement pool in a breeding workshop, wherein inner net cages are rutting and spawning places for parents, and outer net cages receive eggs concentratedly; and arranging a plurality of open foam boxes in a hatching and fry culturing workshop, placing the eggs into the foam boxes after counting, feeding loach fries by micro initial feed after hatching to fries to enable the loach fries to live through an initial critical period to become strong fries, and selling the fries or placing the fries into a pond for large-scale fingerling rearing. A workshop production process is adopted, breeding and hatching and fry culturing environments are guaranteed effectively, operation is facilitated, working efficiency is high, fecundity can be measured accurately, fertilization rate reaches above 98%, hatching rate basically reaches 100%, fry survival rate basically reaches 100%, and survival rate of large-scale fingerling rearing by placing the strong fries into the pond reaches above 50%.

The invention discloses a method for cultivating loach larvae by arranging net cages in a pond to improve the rate of survival. The method mainly comprises the steps that firstly, the pond which is appropriate in area and water depth is selected, water is injected into the pond to clean and disinfect the pond, and palatable bait is prepared; secondly, the net cages with the total area being 10% of the area of the pond are arranged inside the pond, wherein each net cage conforms to the standard of (5-8)m*1m*0.7m, the net mesh is 60, the net cages are evenly arranged along the long edges of the pond in a multi-line and two-row mode, and the cage bottoms are close to the bottom of the pond but not make contact with the bottom mud when the net cages are fixed; thirdly, four submerged pumps are installed at the four corners of the pond, and pond circulating small-flow water is formed by adjusting the direction of a water outlet; fourthly, loach larvae are thrown into the net cages according to the demand of 2250-3000 loach larvae per square meter, the submerged pumps are started, and wheel animalcule and other palatable bait enter the net cages along water flow to be eaten by the loach larvae; fifthly, unobstructed exchanging of water inside and outside the net cages is guaranteed, and the bait is thrown into the net cages in due time to ensure adequate bait; sixthly, the loach larvae are moved out of the net cages when growing to be 2 centimeters long, the net is dragged out, aquatic insects in water are removed, then the loach larvae are moved to the pond to be bred, the bait is thrown into the pond in due time, and the loach larvae are bred to be larvae being 4 centimeters to 5 centimeters long.

The invention discloses a rice field cultivation method for misgurnus anguillicaudatus and relates to the field of aquaculture. The method comprises the following steps: selecting a pollution-free parcel of a rice field, and finishing basic facilities for cultivating the misgurnus anguillicaudatus in the rice field, wherein soil is loam or clay, the pH value is 5.5-7, and the parcel area is 333-2,000 m<2>; after rice turns green, draining water in the field completely, and exposing for 3 days, wherein the applying amount of an organic fertilizer is 50 kg/mu; adding water to be 20-30 cm, putting 75 kg of loach species with the size of 5-6 cm per mu, and feeding artificial feeds once at each day, wherein the feeds are special hard granulated feeds for the misgurnus anguillicaudatus, and the daily feeding amount accounts for 3-4 percent of the body weight of the misgurnus anguillicaudatus. The rice field cultivation method for the misgurnus anguillicaudatus provided by the invention is simple in operation process; the misgurnus anguillicaudatus is cultivated by using the rice field; the yield per mu of a paddy field can be increased, the cultivation scale of the misgurnus anguillicaudatus can be expanded, and the development of the misgurnus anguillicaudatus cultivation industry is promoted. Compared with a conventional method, the method has the advantages that the survival rate of the cultivated misgurnus anguillicaudatus is higher; the growth speed of the misgurnus anguillicaudatus is higher; the quick growth of the misgurnus anguillicaudatus can be promoted by the adoption of a traditional Chinese medicine composition, and the stress response of the misgurnus anguillicaudatus is reduced; by adjusting a rice field fertilization method, the adverse effect on the misgurnus anguillicaudatus caused by rice field fertilization is reduced.

The invention belongs to the field of cultivation and particularly relates to a loach larva cultivating method. The method includes the following steps that firstly, breeding and oviposition are performed; secondly, eggs are put into an incubation pool to be incubated evenly, an oxygen boosting rod is placed beside the pool, the oxygen boosting rod is placed at the bottom of the pool after loach larvae get out of membranes, and the loach larvae are cultivated; thirdly, pond cleaning medicine is used for cleaning the pond, water filling and fertilizing are started three days later, and when the color of water of the pond is cultivated to be yellow green, the loach larvae are put into the pond; fourthly, before the loach larvae are put into the pond, the loach larvae are put into oxygen bags at first, the oxygen bags are put into the pool for buffering and then, the loach larvae are put into a net box; fifthly, milk powder and quail egg yolk are used as bait for feeding the loach larvae; sixthly, powder materials starts to be cast after seven to ten days. The rate of survival of the larvae cultivated with the loach larva cultivating method is improved to be more than 35%. By adjusting the position of the oxygen boosting rod, the density of the eggs can be adjusted, workloads are reduced, the cost in cultivating the larvae is reduced and economic benefits are boosted.

The invention discloses an artificial propagation method for Taiwan mud fishes and belongs to the propagation technologies for fresh water mud fishes. The method includes the following steps that (1), parent mud fish fries are selected; (2), artificial spawning induction is performed; (3), artificial fertilization is performed; (4), hatching is performed. According to the technology, the method that human chorionic gonadotropin (HCG), hypophyses or luteotropin releasing hormone d-ala analogs and other spawning induction medicine are injected to the backs of the parent mud fishes is adopted, so that the spawning induction rate of the parent mud fishes is increased over 91.0%; according to the technology, the fertilization rate of the parent mud fishes is increased over 96.6% through artificial fertilization, and the hatching rate of the parent mud fishes is increased over 98.0% through still water hatching; the survival rate of the parent mud fishes after artificial propagation reaches 90.9%. Propagation is performed by the utilization of the method, so that the survival rate, the spawning induction rate, the fertilization rate and the hatching rate of the Taiwan mud fishes are much higher than the corresponding rates through natural propagation and traditional propagation method for the mud fishes, industrialized production of the Taiwan mud fishes can be achieved, the fries are provided for large-scale farming, and high economical benefits are obtained.

The invention discloses a paddy, loach and frog ecological integral planting and breeding method. The paddy, loach and frog ecological integral planting and breeding method particularly includes stepsof 1), selecting sites for paddy fields; 2), constructing the paddy fields; 3), disinfecting the paddy fields; 4), selecting paddy rice varieties; 5), planting paddy rice, and to be more specific, transplanting rice seedlings in wide and narrow row spacing rice seedling transplanting modes or under the conditions of the row spacing of 20 cm and the plant spacing of 15 cm in the middle ten days ofMay; 6), releasing tadpoles and loaches, to be more specific, releasing the tadpoles according to the density of 80-100 thousand tadpoles/mu in the first ten days of April, and releasing loach seedswith the lengths of 3-5 cm according to the density of 20-30 thousand loach seeds/mu in early June; 7), managing frog feed; 8), managing loach feed; 9), preventing and treating diseases of frogs and the loaches; 10), controlling diseases and insect pests of the paddy rice. The paddy, loach and frog ecological integral planting and breeding method has the advantages that the yield of the paddy riceplanted by the aid of the paddy, loach and frog ecological integral planting and breeding method can reach 400 kg/mu, the yield of the frogs bred by the aid of the paddy, loach and frog ecological integral planting and breeding method can reach 500-1000 kg/mu, the yield of the loaches bred by the aid of the paddy, loach and frog ecological integral planting and breeding method can reach 240 kg/mu, and accordingly the paddy, loach and frog breeding economic benefits and social benefits can be increased.

The invention discloses a loach fry breeding method which includes the steps: sunning a V-shaped breeding pond until cracks and white coverings are formed at the bottom of the V-shaped breeding pond, and then injecting non-pollution water into the V-shaped breeding pond; placing chlorella into the pond to cultivate the water two days before feeding water spots into the pond, and adding the chlorella into the breeding pond every three days; adding tubificidae into the breeding pond after 7 days, performing pest control by fish insecticides with traditional Chinese medicine materials within 7-9 days; stopping use of the chlorella and mainly using the tubificidae and fish mash feed with 32 proteins after 14-16 days; stopping use of the tubificidae and completely using the feed for breeding after 22-24 days. The dosage of the fish insecticides is 0.4 gram per cubic meter of water, the usage amount of the feed is 80 grams per 10,000 loach fries every day, and finished inched fries are obtained after 28-30 days. The loach fry breeding method has the advantage that the survival rate of loach fry production is high.

The invention discloses a construction method for a micro-ecosystem. The construction method comprises the steps of constructing a micro ecological pond, wherein the depth of the pond is 0.4-0.6m, a mud pile with height of 15-20cm is arranged in one eighth to three eighth area of the bottom of the pond and a sand pile is additionally arranged above the surface of water in the pond; arranging a water supply and drainage system and controlling the depth of water in the micro ecological pond to be 12-14cm; collecting and fermenting human manure; cultivating earthworms and fly maggots: introducing the earthworms and the fly maggots into the micro ecological pond; planting leaf vegetables on the mud pile in spring and summer and planting watercress in autumn and winter; putting loaches, rice field eels, tortoises and Procambarus clarkii respectively according to standards of 20 loaches per square meter, 4 rice field eels per square meter, 4 tortoises per square meter and 1 pair of Procambarus clarkii per 10 square meters. The construction method for the micro-ecosystem is suitable for cultivating the fly maggots and the earthworms by using domestic wastes, the biological wastes are enabled to become green foods of people by cultivating aquatic animals and planting aquatic vegetables, and for the nation, not only can the eutrophication of natural water bodies be prevented, but also the commodity price can be stabilized.

The invention discloses a loach large-scale ecological breeding method. Only tubificidaes are taken as food during the whole loach breeding process. The breeding method comprises the following steps: building a breeding pond: selecting two different-scale cornfields or rice fields with sufficient water source, rich nutrient, convenience in irrigation and drainage and slight slopes on periphery as construction bases of the breeding pond; breeding tubificidaes; putting in loach larva: after breeding the tubificidaes in the attached pond for 40-45 days, putting in the loach larva according to the breeding density of 90-100 loaches per square meter, and using a mesh screen for fishing till the loach larva grow into the aged loach meeting the fishing demand. According to the loach large-scale ecological breeding method provided by the invention, the tubificidaes are taken as food during the whole loach breeding process, the breeding mode of excessively depending on artificial diet in the present aquaculture is settled and the entire defective situation of the aquaculture caused by the water pollution during the breeding process is settled.

The invention provides a method for breeding loach in a macrobrachium pond in a mixed mode, and belongs to the field of aquaculture. The method includes the following steps of breeding pool selection, disinfection, fertilizer applying, water plant culture, young loach throwing, young macrobrachium throwing and feeding. By means of the omnivory characteristic of loach, excessive bred young macrobranchium and sick and weak macrobranchium are eaten as bait, and therefore the self-breeding amount of macrobranchium is controlled, and the specifications of macrobranchium coming into the market are large. Meanwhile, loach frequently gets into mud to move, and therefore the bottom mud can be loosened, the decomposition of ammonia nitrogen and nitrite in a water body and organic matters in the bottom soil is promoted, the self-cleaning and repair capacity of the breeding water body is enhanced, diseases are reduced, water is basically not changed in the whole breeding process, and the ecological environment is effectively maintained while the aquatic product quality is improved.

The invention relates to a tilapia and loach mixed-pool-breeding method. A tilapia breeding pool is selected and is disinfected through quick lime after water in the pool is drained out in March every year, and after the water temperature is stabilized at 20 DEG C, 1,800 to 2,000 single male tilapia over-wintering fry with the weights ranging from 20 grams to 25 grams are thrown into the pool every 667 square meters, and 20,000 loach fry with the lengths ranging from 3 centimeters to 4 centimeters are thrown into the pool 30 days later. By means of food training, tilapias and loaches are fed in different feeding areas. Special mixed feed is thrown to feed the tilapias and the loaches two times everyday. After being bred for four to five months, the tilapias are caught in advance to be sold, the pool breeding density is decreased, and the growing period of the loaches is prolonged. The technology that the tilapias and the loaches are fed respectively in the same pool is adopted, rational combination is carried out according to the life habits and the feeding habits of the tilapias and the loaches, the aquatic water space is fully utilized, the bred marketable fishes are large in size and good in quality, and the purposes of promoting growth, increasing production and efficiency and improving benefits are achieved.

The invention relates to a swamp eel and loach deboning and killing machine, which belongs to the field of aquatic product processing machinery. The killing machine comprises a frame, a killing motor,a feed bin, and a killing deboning hobboing cutter; the feed bin is fixed at one end of the frame, the sliding rods are symmetrically arranged on the frame at the front end of the feed bin, and a conveying motor is fixed on the sliding rods through the symmetrically mounted mounting plates; conveying toothed discs are arranged on a transmission shaft of the conveying motor below the mounting plates; and a reserved gap is arranged between the conveying toothed discs. The killing machine has the characteristics of small size, convenient installation and commissioning, convenient use, high workefficiency, reliable work, low energy consumption, environmental protection and sanitation. The killing machine solves the problem that after killing the swamp eel and loach, deboning of the swamp eeland loach should be manually completed in the prior art. The single killing machine can kill 450-500 kilograms per hour, which is 30-40 times of artificial work efficiency. The killing machine can meet the requirements of households, restaurants, and the like, and can be produced into a processing line for the industrialization of swamp eel deep processing, which has broad market prospects.

The invention discloses a loach ecological breeding method. The loach ecological breeding method comprises the following steps that (1) base fertilizer is filled, fungus base fertilizer is put into greenhouse rice fields according to the proportion of 300 kilos per mu, and the base fertizlier is organic fertilizer formed by fermenting pleurotus eryngii slag; (2) early-maturing water chestnuts are transplanted into the greenhouse rice fields according to the proportion of 600 bundles per mu; (3) loaches are put into the greenhouse rice fields according to the proportion of 5 kilos per mu in April every year, and the loaches are bred by themselves; (4) organic fertilizer is applied, and the organic fertilizer containing chicken manure and EM fungus fermentation broth is put into the greenhouse rice fields every half a month. The loach ecological breeding method has the advantages that water has two purposes, pollution is avoided, the yield is high, economical investment is small, reward is good and the taste of the loaches is guaranteed.

The invention relates to the technical field of cultivation and discloses a rice and loach polyculture method. Two to ten mu of ridges serve as one unit. The rice and loach polyculture method includes the following steps of building the ridges, laying a sky net and a ground net, applying organic fertilizer, planting rice, stocking loaches and throwing feed. The rice and loach polyculture method is environmentally friendly and easy to operate, produced rice does not contain pesticide residues and thus the rice and loach polyculture method has application prospects. The loaches raised with the method can loosen soil in the rice filed, and thus manpower resources are saved. Because the sky net and the ground net are arranged, ospreys, egrets, night herons, snakes, mousse and other natural enemies are prevented from damaging the rice and the loaches.

The invention discloses an andrias male and female natural pairing imitative ecological efficient breeding method. The method comprises the steps that male and female andrias are raised in a mixed mode, wherein the young male and female andrias is raised in a mixed mode; trial pairing is conducted on breeding male and female andrias, wherein when getting close to sexual maturity, the andrias is placed into a trial paring pool, in a breeding season, namely between August and September, the secondary sex characteristic becomes obvious, the pairing succeeds, the andrias is selected out and placed into a breeding pool, and the trial paring pool and the breeding pool are constructed and constituted by multiple river channels and caves; breeding is conducted in the breeding pool, wherein the andrias which is successful in pairing is placed into the breeding pool which is provided with only two caves, female andrias needs to be isolated after laying eggs, and male andrias is not disturbed to hatch; young andrias is raised, wherein the young andrias is not fed from the shell-emerging time to the 30th day, 30 days later, the young andrias is fed with tubificidae and water earthworm, one year later, the young andrias is fed with young grass carps and young carps, three years later, the andrias is sold as commodities, and seven years later, excellent offsprings are reserved for breeding; bait fishes can be casted after the bait fishes are raised for three to five days temporarily and no disease attach is found; at the earlier ovulation stage, the female andrias needs to be fed with crabs, loach and shrimps; water bodies, water channels and bait are disinfected with 0.5-3% of disinfection salt, and appliance is disinfected with potassium permanganate; when the bait fishes are casted, the bait density is increased.

The invention relates to a paddy-loach-frog stereo ecological culture technology, and belongs to the plantation cultivation technical field; loaches are cultured in a frog pond, and paddy rice is interplanted, so water bottom, water surface and the land are not wasted; frog night soil can serve as loach food, as well as paddy fertilizer, so loach forage and paddy fertilizer are not needed; frogs can prey on various insects damaging the paddy rice; the technology specifically comprises the following steps: paddy-loach-frog combined pond construction, paddy-loach-frog combined pond disinfection, and paddy-loach-frog feeding and management. The advantage are that the paddy-loach-frog stereo ecological culture technology can greatly improve frog yield, so frog mu yield can be above 1500kg, which doubles a conventional frog culture mode.

The invention provides a high-yield breeding method for young breeding loaches. The cultivation method includes the step a of antenatal breeding of parent loaches, the step b of artificial spawning for young breeding loach breeding, the step c of before-stocking preparation and stocking of young loaches, and the step d of young loach breeding management. The invention discloses the high-yield breeding method for young breeding loaches. According to the breeding method, high yield of young breeding loaches is achieved through the combination of indoor artificial young loach spawning and outdoor pond breeding larva breeding, high economic benefits are achieved, and high-quality larvae are provided for loach breeding.

The invention discloses an artificial propagation and cultivation method for loach larvae, and belongs to the field of aquaculture. The method comprises the steps of preparation before incubation of loach larvae, egg laying and incubation management, and delivery and cultivation of loach larvae. Loach is a traditional high-quality aquatic product in China, and is known as the ginseng in water. With the improvement of the people's living standard, the market requirement amount is larger and larger, and wild products cannot meet the market requirement. In recent years, the loach cultivation scale is rapidly developed, loach larvae become the bottleneck restraining industrial development, the problem of shortage of loach larvae is still outstanding, existing loach larvae are mostly fished wildly, the quality is hard to ensure, and the cultivation risk is increased. Large-scale loach artificial propagation is performed, and the key problem is how to improve the yield and survival rate of loach larvae. The artificial propagation and cultivation method aims at overcoming the defects of existing loach larvae propagation technology, solves the problem that the yield and survival rate of existing loach larvae artificial propagation are low, and improves the scientific level of loach larvae propagation and cultivation.

The invention discloses a method for culturing a loach fry into a summer fry. According to the method, during the front period and middle period of summer fry culture, when the whole length of the loach fry is less than 2.0cm, oxygenation is carried out in a culture pond at night from 24 p.m to 5 a.m of the next day, so that the content of the dissolved oxygen in culture water in the culture pond is maintained to be above 4.0mg/L; and during the later period of summer fry culture, when the whole length of the loach fry is greater than 2.0cm, the oxygenation is carried out in the culture pond at night from 22 p.m to 7 a.m of the next day, so that the content of the dissolved oxygen in the culture water in the culture pond is maintained to be above 3.0mg/L. Experiments prove that the culture survival rate of the loach summer fry obtained by the culture method disclosed by the invention is above 60%, and an unexpected technical effect can be obtained.

The invention discloses a greenhouse pond loach culture system, comprising a pond loach fry pond, a fry rearing pond, a growth pond and a wastewater treatment system. The wastewater system comprises a drain pond, a wastewater treatment pond and a purifying water pond, the drain pond is strip shaped, the pond loach fry pond, the fry rearing pond and the growth pond are arranged around the drain pond and are each connected with the drain pond through a pipeline and a valve; the bottom of the drain pond is of slope structure, a lower end of a slope is connected with an inlet of the wastewater treatment pond through a pipeline and a water supply main pipe, and the water supply main pipe is connected respectively with the pond loach fry pond, the fry rearing pond and the growth pond through water supply branch pipes. The system of the invention is available for indoor cultivation throughout the year, yield can be greatly improved, product quality can be improved, and the economic benefit is significant.

The invention discloses a nursing breeding method for young loaches. The nursing breeding method includes the steps that 1, a proper young loach breeding pond is selected, water entering and water draining are convenient, and the area should range from 3 mu to 5 mu; 2, the loach breeding pond is divided into regions, wherein the area of the nursing region accounts for one third of the total area of the breeding pond, and the area of the bait organism breeding region accounts for two thirds of the total area of the breeding pond; 3, cement hardening is carried out on the nursing region, wherein cement hardening is carried out on the pond bottom and the protection slope of the nursing region; 4, the pond is cleaned and sterilized, sterilizing is carried out through bleaching powder at the time five days before the young loaches are put into the pond, and trash fishes, roes, aquatic insects, frog eggs and the like in the young loach pond are eliminated; 5, fresh water is injected after pond cleaning, the water depth is required to be 50 cm, and organic fertilizers are applied after water injecting to breed bait organisms; 6, the young loaches are put into the pond and put into the nursing region; 7, blocking nets are removed at the time two weeks after the young loaches are put into the pond, and the young loaches are distributed to the whole breeding pond; 8, the loaches are trained to eat artificial feed after the young loaches are bred for one month, and the adult loach breeding stage starts. The method is easy to implement and easy and convenient to operate, the loaches can safely live through the weakest external gill stage, and the breeding survival rate of the young loaches is remarkably increased.

The invention relates to an artificial cultivation method for loach larvae and belongs to the field of aquaculture techniques. The method includes the steps that when natural water temperature is higher than 18 DEG C, mature loaches having robust constitution are selected according to a proportion that the ratio of male loaches to female loaches is 2:1 and serve as parents for copulation and spawning; incubation is carried out under the condition of 25 DEG C water temperature; after larval stage feed is adopted to feed the loaches for 7-10 days, the loaches are transferred into a pond for cultivation until the loaches grow to 1cm long loaches; the 1cm long loaches are cultivated according to a 1:2 pond expansion rate in a pond separation mode until the loaches grow to commodity loaches. The survival rate of the loach larvae can reach above 90%, the survival rate of a larval stage reaches above 75%, the domestic advanced level is reached, scientific bases are provided for research on raising and intercropping of the pond for the loaches, exploration of stocking density, growing periods, growth rates, survival rates of cultivation and input-output ratios of the loaches, and the method has a positive significance in popularization of pond cultivation, yield increase and efficiency increase.