Compound feed with high laying rate and processing technology thereof

Abstract

The invention relates to the field of feeds, in particular to a high-laying-rate compound feed and a processing technology thereof. Comprising the following steps: step 1, soybean meal, corn flour and stone powder are sequentially mixed, washed, dried, crushed and sieved, and a raw material A is obtained; 2, mixing the raw material A and the grease at 30-45 DEG C for 3-6 minutes, sequentially adding the fermented feed, the traditional Chinese medicine additive, the fish meal and the various nutritional ingredients, and mixing at 40-50 DEG C for 4-5 minutes; therefore, the compound feed with high laying rate is obtained. According to the application, the brown algae extract and the NSP enzyme are introduced into the fermented feed, fermentation treatment is performed twice by using different strains, and the traditional Chinese medicine additive is introduced to act together with the fermented feed, so that the absorption and utilization rate of animals to the feed is synergistically promoted, and the laying rate of the animals and the egg quality are further improved.

Description

Technical Field

[0001] The invention relates to the technical field of feed, in particular to a high egg production rate compound feed and a processing technology thereof. Background Art

[0002] With the rapid expansion of the laying hen farming industry, the market demand for eggs is increasing. The benefits of laying hen farming are closely related to the egg production rate of laying hens. Therefore, how to improve the egg production rate of laying hens has become an important topic in the laying hen farming industry.

[0003] In the prior art, in order to improve egg production, antibiotics, chemical drugs, hormones and other means are usually used. Long-term use of such means will not only produce drug resistance, but also cause risks such as disease and drug residues. Existing studies have shown that feeding with feed is a safe way to improve egg production and egg quality; however, traditional feed formulas have low nutrient utilization rates and cannot be fully absorbed by poultry, reducing the nutritional needs of laying hens at different growth stages and physiological states.

[0004] On the other hand, studies have shown that introducing brown algae extracts into feed can promote the growth of poultry; however, direct introduction of brown algae extracts will result in the presence of non-starch polysaccharides and lead to a cage effect, which will inhibit the digestion and absorption of some nutrients and greatly reduce the digestibility; it is not conducive to the bioavailability of comprehensive nutrients in laying hens, and thus has a certain impact on egg production rate, egg quality and other performance.

[0005] In summary, it is of great significance to solve the above problems and prepare a high egg production rate compound feed. Summary of the invention

[0006] The purpose of the present invention is to provide a high egg production rate compound feed and a processing technology thereof to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0008] A processing technology for high egg production rate compound feed comprises the following steps:

[0009] Step 1: Mix soybean meal, corn flour and stone flour in sequence, wash, dry, crush and sieve to obtain raw material A;

[0010] Step 2: Mix raw material A and oil at 30-45° C. for 3-6 minutes, add fermented feed, Chinese medicine additives, fish meal, and various nutrients in sequence, and mix at 40-50° C. for 4-5 minutes to obtain a high egg production rate compound feed.

[0011] More optimally, the high egg production rate compound feed includes the following raw materials, by weight percentage, 20-22% soybean meal, 0.2-0.5% oil, 5-6% stone powder, 2-3% fish meal, 3.5-4% various nutrients, 4.5-5% fermented feed, 0.3-0.6% traditional Chinese medicine additives, and the rest is corn flour.

[0012] More optimally, the preparation process of the fermented feed is:

[0013] Step 1: Pretreatment of strains: (1) Place mixed strain A in sterilized PDA liquid culture medium, and culture in a shaker at 28-37° C. for 16-24 hours to obtain activated mixed strain A for standby use; (2) Place Corynebacterium glutamicum in sterilized PDA liquid culture medium, and culture in a shaker at 30-32° C. for 16-20 hours to obtain activated Corynebacterium glutamicum for standby use;

[0014] Step 2: primary fermentation: soybean meal, corn flour, brown algae extract, NSP enzyme, and activated mixed bacteria A are added into deionized water, and lactic acid is added to adjust the pH to 5.2-5.3, and the mixture is sealed in a PE film bag with a one-way air permeable hole and fermented at 23-26° C. for 4-5 days to obtain a primary fermentation product;

[0015] Step 3: Secondary fermentation: Add activated Corynebacterium glutamicum, urea, potassium bicarbonate and deionized water to the primary fermentation product, adjust the pH to 7.0-7.5, and perform secondary fermentation at 30-33° C. for 1-2 days to obtain fermented feed.

[0016] In a more optimized manner, the mixed bacteria A is obtained by compounding lactic acid bacteria, yeast, and Bacillus subtilis. During the fermentation process of the fermented feed, the total amount of live bacteria is (8.1-9.0)×10 9 cfu / g; the quantitative ratio of lactic acid bacteria, yeast, Bacillus subtilis and Corynebacterium glutamicum is 4.5:0.5~1:2~2.5:1.5~2.2.

[0017] More optimally, the raw materials of the fermented feed include the following components: by mass, 1 to 2 parts of urea, 0.5 to 1.2 parts of potassium bicarbonate, 15 to 25 parts of deionized water, 20 to 23 parts of soybean meal, 30 to 32 parts of corn flour, 3 to 4 parts of brown algae extract, 0.08 to 0.12 parts of NSP enzyme, and 25 to 35 parts of deionized water.

[0018] Among them, brown algae extract is introduced into fermented feed to obtain fermented feed; the utilization rate of phosphorus can be improved, thereby increasing the average daily weight gain of laying hens and further improving the egg production and egg quality of laying hens; in addition, adding brown algae extract during the fermentation process can promote the growth of beneficial bacteria and further improve the feed utilization rate, but at the same time, some non-starch polysaccharides exist in the polysaccharides in the brown algae extract, which will affect the absorption of nutrients. Therefore, NSP enzyme is added during the fermentation process, and its performance is used to produce synergistic performance with brown algae extract. It can make up for the defect of insufficient secretion of NSP enzyme by the body and destroy the plant cell wall structure of insoluble polysaccharides, further reduce the resistance of non-starch polysaccharides to the absorption of nutrients, and thus improve the overall digestibility and utilization of feed.

[0019] Among them, activating the mixed bacteria and activating Corynebacterium glutamicum by shaking can help the bacteria to be evenly dispersed in the culture medium, avoid excessive local aggregation or uneven distribution of the bacteria, and ensure that the bacteria can fully utilize the nutrients in the culture medium, thereby further improving the activity of the bacteria; in addition, the shaking action of the shaker can accelerate the growth rate of the bacteria, thereby shortening the activation time of the bacteria and improving production efficiency.

[0020] Among them, mixed strain fermentation can effectively remove anti-nutritional factors in soybean meal, successfully convert antigenic proteins into small molecule peptides that are easy for animals to digest and absorb, and secondary fermentation is used in feed preparation. The synergistic fermentation of mixed strain A and Corynebacterium glutamicum further enhances the nutrient conversion efficiency of feed, allowing animals to absorb and utilize nutrients in feed more efficiently, promoting the generation of multiple bioactive factors, and thus optimizing the absorption and utilization of nutrients in the gastrointestinal tract by animals. Corynebacterium glutamicum can produce amino acids such as glutamic acid, threonine, and lysine during the secondary fermentation process. These amino acids are essential nutrients for animal growth, thereby increasing the nutritional value of feed. In addition, during the fermentation process, Corynebacterium glutamicum can promote the growth and breeding of other beneficial bacteria. At the same time, the fermentation products of mixed strain A also provide a better growth environment for Corynebacterium glutamicum.

[0021] More optimally, the raw materials of the traditional Chinese medicine additive include the following components: by weight, 5 to 6 parts of Leonurus japonicus, 5 to 6 parts of Epimedium, 4 to 5 parts of malt, and 4 to 4.5 parts of Ligusticum chuanxiong.

[0022] Among them, the ingredients of Chinese herbal additives have the following effects: Motherwort has the effects of promoting blood circulation, removing blood stasis, regulating menstruation and detoxifying. It can promote blood circulation in laying hens, improve ovarian function and increase egg production rate; at the same time, its detoxification effect helps laying hens eliminate toxins in the body and maintain a healthy state; Epimedium has the effects of nourishing the kidney and strengthening yang, enhancing the body's immune function, and can enhance the physique of laying hens, improve their resistance to diseases, reduce the occurrence of diseases, and indirectly promote the maintenance of high egg production rate; Malt has the effects of promoting qi and digestion, strengthening the spleen and appetizing, further enhancing the digestive function of laying hens and improving feed conversion rate; Chuanxiong has the effects of promoting blood circulation, promoting qi, nourishing blood and regulating menstruation, and can act on the reproductive system of laying hens, promote blood circulation, improve ovarian function, and increase egg production rate and egg quality.

[0023] More optimally, the multiple nutrients include one or more of vitamin A, vitamin B1, vitamin B2, vitamin B6, vitamin D3, vitamin C, vitamin B5, vitamin E, calcium, phosphorus, copper, iron, manganese, zinc, and selenium.

[0024] More optimally, the mesh size of the sieve of raw material A in step 1 is 16 to 30 meshes.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. In the scheme, brown algae extract is introduced into fermented feed, and NSP enzyme is introduced into fermented feed; after the fermented feed is prepared, the two synergistically promote the optimization of animal immunity and intestinal environment by fermented feed, improve animal growth performance, and the absorption conversion rate of feed, and further improve egg production efficiency and egg quality.

[0027] 2. In the scheme, the fermented feed is processed twice by different strains of bacteria; while effectively improving the fermentation efficiency, the subsequent absorption and utilization of nutrients in the fermented feed is improved.

[0028] 3. The plan further introduces Chinese herbal additives to work together with fermented feed to synergistically promote the digestive performance of animals and improve their resistance to diseases, thereby further improving the egg production rate and egg quality of animals. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that the following parts are by mass, and all raw materials involved in the present invention are purchased from manufacturers without any special restrictions, and are exemplified as follows: in the following embodiments, the purity of lactic acid bacteria is 99%, purchased from Wuhan Rongcan Biotechnology Co., Ltd.; the purity of yeast is 99%, purchased from Jiangsu Jiujia Biotechnology Co., Ltd.; the product number of Bacillus subtilis is GIM1.755, purchased from Shanghai Huzheng Biotechnology Co., Ltd.; the product number of Corynebacterium glutamicum is XK-GDJZ-1042, purchased from Shanghai Xuanke Biotechnology Co., Ltd.; the purity of brown algae extract is 99%, purchased from Hebei Hongtao Bioengineering Co., Ltd.; NSP enzyme was purchased from Fujian Longyan Jinhe Animal Feed Co., Ltd.; PDA liquid culture medium is potato glucose culture medium, product number 021050, purchased from Guangdong Huankai Microbiological Technology Co., Ltd.

[0031] In the following embodiments, it is particularly noted that the relevant material parameters are as follows: (1) The raw materials of various nutrients include the following components: by mass, 0.37 parts of vitamin A, 0.38 parts of vitamin B1, 1 part of vitamin B2, 0.2 parts of vitamin D3, 0.74 parts of vitamin B6, 0.23 parts of vitamin B5, 0.43 parts of copper, 0.032 parts of manganese, 0.045 parts of iron, 0.09 parts of selenium, and 0.05 parts of zinc.

[0032] (2) The raw materials of the Chinese medicine additive include the following components: by weight: 5.5 parts of Leonurus japonicus, 5.5 parts of Epimedium, 4.5 parts of malt, and 4.2 parts of Chuanxiong.

[0033] (3) During the fermentation process of fermented feed, the total number of live bacteria is 8.5×10 9 cfu / g; mixed bacteria A is lactic acid bacteria, yeast, and Bacillus subtilis; the amount ratio of lactic acid bacteria, yeast, Bacillus subtilis, and Corynebacterium glutamicum is 4.5:0.8:2.1:1.7.

[0034] Embodiment 1: A processing technology of a high egg production rate compound feed comprises the following steps:

[0035] Step 1: Preparation of fermented feed: (1) Place mixed strain A in sterilized PDA liquid culture medium, and culture it in a shaker at 35°C for 22 hours to obtain activated mixed strain A for use; Place Corynebacterium glutamicum in sterilized PDA liquid culture medium, and culture it in a shaker at 32°C for 18 hours to obtain activated Corynebacterium glutamicum for use; (2) Primary fermentation: Add 22 parts of soybean meal, 31 parts of corn flour, 3.3 parts of brown algae extract, 0.1 part of NSP enzyme, and activated mixed strain A to 30 parts of deionized water, add lactic acid to adjust the pH to 5.25, put it into a PE film bag with a one-way air permeable hole, seal it, and ferment it at 24°C for 4.5 days to obtain a primary fermentation product; (3) Secondary fermentation: Add activated Corynebacterium glutamicum, 1.5 parts of urea, 0.9 parts of potassium bicarbonate, and 20 parts of deionized water to the primary fermentation product, adjust the pH to 7.2, and perform secondary fermentation at 32°C for 1.5 days to obtain fermented feed;

[0036] Step 2: sequentially mix soybean meal, corn flour and stone flour, wash, dry, crush and pass through a 24-mesh sieve to obtain raw material A;

[0037] Step 3: Mix raw material A and oil at 38°C for 5 minutes, add fermented feed, Chinese medicine additives, fish meal, and various nutrients in sequence, and mix at 45°C for 4.5 minutes to obtain a high egg production rate compound feed.

[0038] Embodiment 2: A processing technology of a high egg production rate compound feed comprises the following steps:

[0039] Step 1: Preparation of fermented feed: (1) Place mixed strain A in sterilized PDA liquid culture medium, and culture it in a shaker at 35°C for 22 hours to obtain activated mixed strain A for use; Place Corynebacterium glutamicum in sterilized PDA liquid culture medium, and culture it in a shaker at 32°C for 18 hours to obtain activated Corynebacterium glutamicum for use; (2) Primary fermentation: Add 22 parts of soybean meal, 31 parts of corn flour, 3 parts of brown algae extract, 0.1 part of NSP enzyme, and activated mixed strain A to 30 parts of deionized water, add lactic acid to adjust the pH to 5.25, put it into a PE film bag with a one-way air permeable hole, seal it, and ferment it at 24°C for 4.5 days to obtain a primary fermentation product; (3) Secondary fermentation: Add activated Corynebacterium glutamicum, 1.5 parts of urea, 0.9 parts of potassium bicarbonate, and 20 parts of deionized water to the primary fermentation product, adjust the pH to 7.2, and perform secondary fermentation at 32°C for 1.5 days to obtain fermented feed;

[0040] Step 2: sequentially mix soybean meal, corn flour and stone flour, wash, dry, crush and pass through a 24-mesh sieve to obtain raw material A;

[0041] Step 3: Mix raw material A and oil at 38°C for 5 minutes, add fermented feed, Chinese medicine additives, fish meal, and various nutrients in sequence, and mix at 45°C for 4.5 minutes to obtain a high egg production rate compound feed.

[0042] Embodiment 3: A processing technology of a high egg production rate compound feed comprises the following steps:

[0043] Step 1: Preparation of fermented feed: (1) Place mixed strain A in sterilized PDA liquid culture medium, and culture it in a shaker at 35°C for 22 hours to obtain activated mixed strain A for use; Place Corynebacterium glutamicum in sterilized PDA liquid culture medium, and culture it in a shaker at 32°C for 18 hours to obtain activated Corynebacterium glutamicum for use; (2) Primary fermentation: Add 22 parts of soybean meal, 31 parts of corn flour, 3.5 parts of brown algae extract, 0.1 part of NSP enzyme, and activated mixed strain A to 30 parts of deionized water, add lactic acid to adjust the pH to 5.25, put it into a PE film bag with a one-way air permeable hole, seal it, and ferment it at 24°C for 4.5 days to obtain a primary fermentation product; (3) Secondary fermentation: Add activated Corynebacterium glutamicum, 1.5 parts of urea, 0.9 parts of potassium bicarbonate, and 20 parts of deionized water to the primary fermentation product, adjust the pH to 7.2, and perform secondary fermentation at 32°C for 1.5 days to obtain fermented feed;

[0044] Step 2: sequentially mix soybean meal, corn flour and stone flour, wash, dry, crush and pass through a 24-mesh sieve to obtain raw material A;

[0045] Step 3: Mix raw material A and oil at 38°C for 5 minutes, add fermented feed, Chinese medicine additives, fish meal, and various nutrients in sequence, and mix at 45°C for 4.5 minutes to obtain a high egg production rate compound feed.

[0046] Comparative Example 1: Based on Example 1, the steps were combined into one fermentation, and the other processes remained unchanged, specifically:

[0047] Step 1: Preparation of fermented feed: (1) Place mixed strain A into sterilized PDA liquid culture medium, and culture in a shaker at 34°C for 36 hours to obtain activated mixed strain A for standby use; (2) Primary fermentation: Add 22 parts of soybean meal, 31 parts of corn flour, 3.3 parts of brown algae extract, 0.1 part of NSP enzyme, activated mixed strain A, 1.2 parts of urea, and 0.7 parts of potassium bicarbonate to 32 parts of deionized water, add lactic acid to adjust the pH to 6.3, put into a PE film bag with a one-way air permeable hole, seal it, and ferment it once at 27°C for 6 days to obtain fermented feed;

[0048] Step 2: sequentially mix soybean meal, corn flour and stone flour, wash, dry, crush and pass through a 24-mesh sieve to obtain raw material A;

[0049] Step 3: Mix raw material A and oil at 38°C for 5 minutes, add fermented feed, Chinese medicine additives, fish meal, and various nutrients in sequence, and mix at 45°C for 4.5 minutes to obtain a high egg production rate compound feed.

[0050] The high egg production compound feed includes the following raw materials, by weight percentage, 21% soybean meal, 0.3% oil, 5.5% stone powder, 2.5% fish meal, 3.8% various nutrients, 4.75% fermented feed, 0.5% Chinese medicine additives, and the rest is corn flour.

[0051] In this scheme, the total number of viable bacteria in the fermented feed is 8.1×10 9 cfu / g; mixed bacteria A includes lactic acid bacteria, yeast, Bacillus subtilis and Corynebacterium glutamicum; the amount ratio of lactic acid bacteria, yeast, Bacillus subtilis and Corynebacterium glutamicum is 4.5:0.6:2.1:1.5.

[0052] Comparative Example 2: Based on Example 1, the brown algae extract was not added during the fermentation process, and the other processes remained unchanged, specifically:

[0053] Step 1: Preparation of fermented feed: (1) Place mixed strain A in sterilized PDA liquid culture medium, and culture in a shaker at 35°C for 22 hours to obtain activated mixed strain A for use; Place Corynebacterium glutamicum in sterilized PDA liquid culture medium, and culture in a shaker at 32°C for 18 hours to obtain activated Corynebacterium glutamicum for use; (2) Primary fermentation: Add 22 parts of soybean meal, 31 parts of corn flour, 0.1 parts of NSP enzyme, and activated mixed strain A to 30 parts of deionized water, add lactic acid to adjust the pH to 5.25, put into a PE film bag with a one-way air permeable hole, seal, and ferment at 24°C for 4.5 days to obtain a primary fermentation product; (3) Secondary fermentation: Add activated Corynebacterium glutamicum, 1.5 parts of urea, 0.9 parts of potassium bicarbonate, and 20 parts of deionized water to the primary fermentation product, adjust the pH to 7.2, and perform secondary fermentation at 32°C for 1.5 days to obtain fermented feed;

[0054] Step 2: sequentially mix soybean meal, corn flour and stone flour, wash, dry, crush and pass through a 24-mesh sieve to obtain raw material A;

[0055] Step 3: Mix raw material A and oil at 38°C for 5 minutes, add fermented feed, Chinese medicine additives, fish meal, various nutrients, and brown algae extract in sequence and mix at 45°C for 4.5 minutes to obtain a high egg production rate compound feed.

[0056] In this scheme, the high egg production rate compound feed includes the following raw materials, by weight percentage, 21% soybean meal, 0.3% oil, 5.5% stone powder, 2.5% fish meal, 3.8% various nutrients, 4.75% fermented feed, 0.5% Chinese medicine additives, 0.2% brown algae extract, and the rest is corn flour.

[0057] Comparative Example 3: Based on Example 1, the NSP enzyme was replaced with cellulase, and the other processes remained unchanged, specifically:

[0058] Step 1: Preparation of fermented feed: (1) Place mixed strain A in sterilized PDA liquid culture medium, and culture in a shaker at 35°C for 22 hours to obtain activated mixed strain A for use; Place Corynebacterium glutamicum in sterilized PDA liquid culture medium, and culture in a shaker at 32°C for 18 hours to obtain activated Corynebacterium glutamicum for use; (2) Primary fermentation: Add 22 parts of soybean meal, 31 parts of corn flour, 3.3 parts of brown algae extract, 0.1 part of cellulase, and activated mixed strain A to 30 parts of deionized water, add lactic acid to adjust the pH to 5.25, put into a PE film bag with a one-way air permeable hole, seal, and perform primary fermentation at 24°C for 4.5 days to obtain a primary fermentation product; (3) Secondary fermentation: Add activated Corynebacterium glutamicum, 1.5 parts of urea, 0.9 parts of potassium bicarbonate, and 20 parts of deionized water to the primary fermentation product, adjust the pH to 7.2, and perform secondary fermentation at 32°C for 1.5 days to obtain a fermented feed;

[0059] Step 2: sequentially mix soybean meal, corn flour and stone flour, wash, dry, crush and pass through a 24-mesh sieve to obtain raw material A;

[0060] Step 3: Mix raw material A and oil at 38°C for 5 minutes, add fermented feed, Chinese medicine additives, fish meal, and various nutrients in sequence, and mix at 45°C for 4.5 minutes to obtain a high egg production rate compound feed.

[0061] Comparative Example 4: Based on Example 1, no Chinese medicine additives were added, and the other processes remained unchanged, specifically:

[0062] Step 1: Preparation of fermented feed: (1) Place mixed strain A in sterilized PDA liquid culture medium, and culture it in a shaker at 35°C for 22 hours to obtain activated mixed strain A for use; Place Corynebacterium glutamicum in sterilized PDA liquid culture medium, and culture it in a shaker at 32°C for 18 hours to obtain activated Corynebacterium glutamicum for use; (2) Primary fermentation: Add 22 parts of soybean meal, 31 parts of corn flour, 3.3 parts of brown algae extract, 0.1 part of NSP enzyme, and activated mixed strain A to 30 parts of deionized water, add lactic acid to adjust the pH to 5.25, put it into a PE film bag with a one-way air permeable hole, seal it, and ferment it at 24°C for 4.5 days to obtain a primary fermentation product; (3) Secondary fermentation: Add activated Corynebacterium glutamicum, 1.5 parts of urea, 0.9 parts of potassium bicarbonate, and 20 parts of deionized water to the primary fermentation product, adjust the pH to 7.2, and perform secondary fermentation at 32°C for 1.5 days to obtain fermented feed;

[0063] Step 2: sequentially mix soybean meal, corn flour and stone flour, wash, dry, crush and pass through a 24-mesh sieve to obtain raw material A;

[0064] Step 3: Mix raw material A and oil at 38°C for 5 minutes, add fermented feed, fish meal, and various nutrients in sequence and mix at 45°C for 4.5 minutes to obtain a high egg production rate compound feed.

[0065] In this scheme, the high egg production compound feed includes the following raw materials, by weight percentage, 21% soybean meal, 0.3% oil, 5.5% stone powder, 2.5% fish meal, 3.8% various nutrients, 5.2% fermented feed, and the rest is corn flour.

[0066] Testing experiment: The high egg production rate compound feed prepared by Examples 1 to 3 and Comparative Examples 1 to 4 was used to test its performance: (1) Egg production rate test: The high egg production rate compound feed prepared by Examples 1 to 3 and Comparative Examples 1 to 4 was used to feed 10,000 laying hens for 300 consecutive days, and the egg production rate was calculated. The results are shown in Table 1; (2) Egg weight test: The high egg production rate compound feed prepared by Examples 1 to 3 and Comparative Examples 1 to 4 was used to feed 10,000 laying hens for 300 consecutive days, and the average egg weight was calculated. The results are shown in Table 1;

[0067]

[0068] Table 1

[0069] Result analysis: According to the data analysis in Table 1, it can be seen that by introducing brown algae extract into fermented feed and introducing NSP enzyme into fermented feed; after the fermented feed is prepared, the two synergistically promote the optimization of fermented feed on animal immunity and intestinal environment, improve animal growth performance, and the absorption conversion rate of feed, further improve egg production efficiency and egg quality; the fermented feed is fermented twice by different strains; while effectively improving the fermentation efficiency, the subsequent absorption and utilization of nutrients in the fermented feed is improved; the introduction of traditional Chinese medicine additives allows it to work together with the fermented feed to synergistically promote the digestion performance of animals and improve their resistance to diseases, thereby further improving the egg production rate and egg quality of animals.

[0070] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

Claims

1. A processing technology for high egg production rate compound feed, characterized by: The following steps are involved: Step 1: Mix soybean meal, corn flour and stone flour in sequence, wash, dry, crush and sieve to obtain raw material A; Step 2: Mix raw material A and oil at 30-45° C. for 3-6 minutes, add fermented feed, Chinese medicine additives, fish meal, and various nutrients in sequence, and mix at 40-50° C. for 4-5 minutes to obtain a high egg production rate compound feed.

2. The processing technology of a high egg production rate compound feed according to claim 1, characterized in that: The high egg production rate compound feed comprises the following raw materials, calculated by weight percentage, 20-22% soybean meal, 0.2-0.5% oil, 5-6% stone powder, 2-3% fish meal, 3.5-4% various nutrients, 4.5-5% fermented feed, 0.3-0.6% traditional Chinese medicine additives, and the rest is corn flour.

3. The processing technology of a high egg production rate compound feed according to claim 2, characterized in that: The preparation process of the fermented feed is as follows: Step 1: Pretreatment of strains: (1) Place mixed strain A in sterilized PDA liquid culture medium, and culture in a shaker at 28-37° C. for 16-24 hours to obtain activated mixed strain A for standby use; (2) Place Corynebacterium glutamicum in sterilized PDA liquid culture medium, and culture in a shaker at 30-32° C. for 16-20 hours to obtain activated Corynebacterium glutamicum for standby use; Step 2: primary fermentation: soybean meal, corn flour, brown algae extract, NSP enzyme, and activated mixed bacteria A are added into deionized water, and lactic acid is added to adjust the pH to 5.2-5.3, and the mixture is sealed in a PE film bag with a one-way air permeable hole and fermented at 23-26° C. for 4-5 days to obtain a primary fermentation product; Step 3: Secondary fermentation: Add activated Corynebacterium glutamicum, urea, potassium bicarbonate and deionized water to the primary fermentation product, adjust the pH to 7.0-7.5, and perform secondary fermentation at 30-33° C. for 1-2 days to obtain fermented feed.

4. The processing technology of a high egg production rate compound feed according to claim 3, characterized in that: The mixed bacteria A is obtained by compounding lactic acid bacteria, yeast and Bacillus subtilis.

5. The processing technology of a high egg production rate compound feed according to claim 4, characterized in that: During the fermentation process of the fermented feed, the total number of viable bacteria is (8.1-9.0)×10 9 cfu / g; the quantitative ratio of lactic acid bacteria, yeast, Bacillus subtilis and Corynebacterium glutamicum is 4.5:0.5~1:2~2.5:1.5~2.

2.

6. The processing technology of a high egg production rate compound feed according to claim 3, characterized in that: The raw materials of the fermented feed include the following components: by mass, 1 to 2 parts of urea, 0.5 to 1.2 parts of potassium bicarbonate, 15 to 25 parts of deionized water, 20 to 23 parts of soybean meal, 30 to 32 parts of corn flour, 3 to 4 parts of brown algae extract, 0.08 to 0.12 parts of NSP enzyme, and 25 to 35 parts of deionized water.

7. The processing technology of a high egg production rate compound feed according to claim 2, characterized in that: The raw materials of the traditional Chinese medicine additive include the following components: by weight, 5 to 6 parts of Leonurus japonicus, 5 to 6 parts of Epimedium, 4 to 5 parts of malt, and 4 to 4.5 parts of Chuanxiong.

8. The processing technology of a high egg production rate compound feed according to claim 2, characterized in that: The multiple nutrients include one or more of vitamin A, vitamin B1, vitamin B2, vitamin B6, vitamin D3, vitamin C, vitamin B5, vitamin E, calcium, phosphorus, copper, iron, manganese, zinc, and selenium.

9. The processing technology of a high egg production rate compound feed according to claim 1, characterized in that: The mesh number of the raw material A sieved in the step 1 is 16 to 30 meshes.

10. A high egg production rate compound feed prepared according to the processing technology of a high egg production rate compound feed according to any one of claims 1 to 9.

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