Process method for producing antibiotic-free selenium-rich laying hen feed by insects

文档序号:1958474 发布日期:2021-12-14 浏览:10次 中文

阅读说明:本技术 一种昆虫生产无抗富硒蛋鸡饲料的工艺方法 (Process method for producing antibiotic-free selenium-rich laying hen feed by insects ) 是由 文灵 张奇松 罗忠耿 韦启波 潘美杉 于 2021-08-28 设计创作,主要内容包括:本发明公开了一种昆虫生产无抗富硒蛋鸡饲料的工艺方法,特征是取富含富硒元素和具抗菌杀毒的昆虫蝇蛆、地龙、蟑螂、白僵蚕、蜈蚣,薯莨、地瓜藤和栀子,经清洗并根据各原料生长特性,分门别类的预处理,之后混合搅拌、杀菌消毒、发酵、烘干等工艺,得到的饲料掺和到日常喂鸡的配合饲料拌喂。利用本发明的组成物,自身具有的抗菌肽和高蛋白、氨基酸和特有的微量元素合成制出的蛋鸡饲料,用于喂禽畜,营养全面丰富,获得各种有益营养成份。制作工艺简单、先进、新颖,原料易取,制造成本低,设备简单,操作方便,产品达到国标GB12399-90要求。(The invention discloses a process method for producing nonreactive selenium-rich laying hen feed by insects, which is characterized in that insects which are rich in selenium-rich elements and have the functions of antibiosis and disinfection, such as maggots, earthworms, cockroaches, white muscardine silkworms, centipedes, dioscorea cirrhosa, pachyrhizus vines and gardenia are taken, cleaned, subjected to classified pretreatment according to the growth characteristics of the raw materials, mixed, stirred, sterilized, disinfected, fermented, dried and the like, and the obtained feed is mixed with a compound feed for daily feeding of chickens for mixing and feeding. The laying hen feed prepared by using the composition and self-possessed antibacterial peptide, high protein, amino acid and special trace elements is used for feeding livestock, has comprehensive and rich nutrition, and obtains various beneficial nutritional components. The preparation process is simple, advanced and novel, the raw materials are easy to obtain, the preparation cost is low, the equipment is simple, the operation is convenient, and the product meets the requirements of the national standard GB 12399-90.)

1. A process method for producing antibiotic-free selenium-rich laying hen feed by insects is characterized by comprising the following components in parts by mass: 10-20 parts of cockroach, 10-20 parts of black ant, 10-20 parts of ground beetle, 20-30 parts of earthworm, 30-50 parts of white muscardine silkworm, 50-80 parts of fly maggot, 10-20 parts of sweet potato vine, 10-20 parts of cape jasmine, 10-20 parts of centipede, 10-20 parts of dioscorea cirrhosa and 10-20 parts of exocarpium citri rubrum;

preferably: 10 parts of cockroach, 10 parts of black ant, 10 parts of ground beetle, 20 parts of earthworm, 30 parts of white muscardine silkworm, 50 parts of fly maggot, 10 parts of sweet potato vine, 10 parts of cape jasmine, 10 parts of centipede, 10 parts of dioscorea cirrhosa and 10 parts of red tangerine peel.

2. The process method for producing the antibiotic-free selenium-rich laying hen feed by the insects according to claim 1, which is characterized by comprising the following steps:

step 1, taking 20 parts by mass of earthworm, rinsing the earthworm for 24 hours by using a 6% sodium carbonate aqueous solution, draining, crushing the earthworm by using a crusher, and sieving the earthworm with a 100-mesh sieve;

step 2, taking 50 parts by mass of fly maggots, soaking the fly maggots in 8% soda solution for 12 hours, draining, crushing the fly maggots by a crusher, and sieving the fly maggots by a 100-mesh sieve;

step 3, soaking and washing 10 parts by mass of cockroaches and 10 parts by mass of ground beetles by using 5% potassium permanganate solution, draining, roasting by slow-fire until the cockroaches and the ground beetles are golden yellow, grinding into powder, and sieving by using a 100-mesh sieve;

step 4, taking 10 parts by mass of black ants, cleaning the black ants by using 3% saline water, turning over the black ants from top to bottom, roasting the black ants with slow fire, and crushing the black ants into powder which is sieved by a 100-mesh sieve;

step 5, taking 10 parts by mass of gardenia, removing peels and kernels, soaking the gardenia in 30% liquorice water for 32 hours, draining, baking, smashing and screening to be full color, roasting in a pot with fire until the outer surface is black and the inner surface is brown, spraying saline water while roasting with slow fire, and crushing to be sieved by a 100-mesh sieve;

step 6, soaking 30 parts by mass of the silkworm larva in swill of glutinous rice for 32 hours, washing off surface cortex dirt by boiling water, soaking in 35% liquorice water for 3 hours, fishing out, draining, baking with slow fire, wiping out skin hair by dry cloth, and smashing and screening the powder and sieving the powder by a 100-mesh sieve;

step 7, taking 10 parts by mass of centipedes, cutting off the head, the tail and the feet, roasting the centipedes with slow fire in a earthen pot, roasting the centipedes for 15 minutes by matching with 10% of mint, spraying 52-degree white spirit while roasting, preferably drying, crushing and sieving with a 100-mesh sieve;

step 8, taking 10 parts by mass of dioscorea cirrhosa, peeling, removing cores, soaking in clear water for 36 hours, taking out, drying in the sun, crushing, and sieving with a 100-mesh sieve;

step 9, taking 10 parts by mass of sweet potato vine, crushing and sieving with a 80-mesh sieve;

step 10, scalding 10 parts by mass of the Chinese polyphaga in boiling water, drying in the sun, crushing and sieving with a 100-mesh sieve;

step 11, taking 10 parts by mass of red tangerine, soaking in brackish water for 24 hours, draining, frying in a tile pan, adding honey juice, adding 3 honey juice into 1 jin of red tangerine, frying, crushing, and sieving with a 100-mesh sieve.

3. The process method for producing antibiotic-free selenium-rich laying hen feed by insects according to claim 2, wherein the powders obtained in the step of claim 2 are mixed and stirred uniformly, and at the same time, 18 parts by mass of organic yeast selenium, 5 parts by mass of probiotics and 3 parts by mass of distiller's yeast are added and mixed.

4. The process for producing antibiotic-free selenium-enriched layer chicken feed by insects according to claim 2, wherein the blended composition of claim 3 is added into a closed fermentation tank for fermentation for 24 hours, and the fermentation temperature is below 32 ℃.

5. The process for producing antibiotic-free selenium-rich layer chicken feed by using insects as claimed in claim 2, wherein the fermented product of claim 4 is dried at a temperature below 36 ℃.

6. The process for producing antibiotic-free selenium-rich layer chicken feed by using insects as claimed in claim 2, wherein the dried substance of claim 5 is added to daily layer chicken feed in a granulation manner, and the granulated substance is added to the daily layer chicken feed in a proportion of 22%.

Technical Field

The invention belongs to poultry feeds, and particularly relates to a process method for producing antibiotic-free selenium-rich laying hen feed by insects.

Background

The poultry feed comprises ten million kinds of poultry feeds, wherein the poultry feed is prepared by crushing and puffing traditional rice bran and grass, corn, wheat bran, soybean meal and the like, and then is developed into half-value feed and full-value feed, the slaughtering rate of chickens is greatly accelerated, so that the poultry industry is rapidly developed, the market needs are met, and as the opening generation is reformed in the current year, phoenix flies are introduced and flies are introduced, some viruses such as unknown avian influenza fly in the coming along with the viruses, the poultry is difficult to cure different difficult miscellaneous diseases, for example, the avian influenza chicken is ill, nine difficulties are existed in ten times, and in order to stabilize the chicken diseases, people cleverly introduce antibiotic drugs into the chicken injection, the newly born chicks are dripped into the antibiotics, and the new problems of the chicken diseases are solved. At present, no good prescription for treating diseases is available except for injection of nasal antibiotics for chicken. Reference 1, application No.: CN201711435214, inventive name: the selenium-rich laying hen feed comprises 20-30 parts of sawdust adsorbent, 10-20 parts of activated carbon sustained release agent, 1-2 parts of 99% sodium selenite, 2-3 parts of 98% zinc sulfate, 70-80 parts of corn, 20-25 parts of bran, 10-15 parts of soybean meal, 10-15 parts of wheat, 10-15 parts of oat, 10-15 parts of sesame cake, 5-10 parts of fish meal, 26-30 parts of stone powder, 1-3 parts of animal oil, 2-8 parts of calcium hydrophosphate, 13-15 parts of corn distillers' grains, 1-2 parts of choline chloride, 0.5-1 part of lysine, 0.4-0.8 part of methionine, 1-2 parts of threonine, 0.2-0.5 part of sodium chloride, 0.1-0.2 part of M-P (T), BV22A0.1-0.2 part of phytase, and 0.3-0.5 part of complex enzyme. The formula ratio of the comparison document is different from that of the patent application.

Disclosure of Invention

The invention aims to develop a process method for producing a nonreactive selenium-enriched laying hen feed by using cockroaches, earthworms, maggots, white muscardine silkworms, centipedes, ground beetles, black ants, gardenia, sweet potato vines and dioscorea cirrhosa, which can replace poultry feed fish meal and can reduce chicken diseases by the action of tetracycline medicaments and generating antibodies in chicken bodies to sprout and release the antibodies, and the feed is prepared by using favorable conditions that various insects are rich in antibacterial peptide elements and high protein and have comprehensive and rich nutritional values, and has the advantages of easy material taking, novel preparation process method, advanced, practicality, safety and reliability.

The formula and the proportioning scheme of the invention are that a process method for producing antibiotic-free selenium-rich laying hen feed by insects comprises the following components in parts by mass: 10-20 parts of cockroach, 10-20 parts of black ant, 10-20 parts of ground beetle, 20-30 parts of earthworm, 30-50 parts of white muscardine silkworm, 50-80 parts of fly maggot, 10-20 parts of sweet potato vine, 10-20 parts of cape jasmine, 10-20 parts of centipede, 10-20 parts of dioscorea cirrhosa and 10-20 parts of exocarpium citri rubrum;

preferably: 10 parts of cockroach, 10 parts of black ant, 10 parts of ground beetle, 20 parts of earthworm, 30 parts of white muscardine silkworm, 50 parts of fly maggot, 10 parts of sweet potato vine, 10 parts of cape jasmine, 10 parts of centipede, 10 parts of dioscorea cirrhosa and 10 parts of red tangerine peel.

The method comprises the following process steps:

step 1, taking 20 parts by mass of earthworm, rinsing the earthworm for 24 hours by using a 6% sodium carbonate aqueous solution, draining, crushing the earthworm by using a crusher, and sieving the earthworm with a 100-mesh sieve;

step 2, taking 50 parts by mass of fly maggots, soaking the fly maggots in 8% soda solution for 12 hours, draining, crushing the fly maggots by a crusher, and sieving the fly maggots by a 100-mesh sieve;

step 3, soaking and washing 10 parts by mass of cockroaches and 10 parts by mass of ground beetles by using 5% potassium permanganate solution, draining, roasting by slow-fire until the cockroaches and the ground beetles are golden yellow, grinding into powder, and sieving by using a 100-mesh sieve;

step 4, taking 10 parts by mass of black ants, cleaning the black ants by using 3% saline water, turning over the black ants from top to bottom, roasting the black ants with slow fire, and crushing the black ants into powder which is sieved by a 100-mesh sieve;

step 5, taking 10 parts by mass of gardenia, removing peels and kernels, soaking the gardenia in 30% liquorice water for 32 hours, draining, baking, smashing and screening to be full color, roasting in a pot with fire until the outer surface is black and the inner surface is brown, spraying saline water while roasting with slow fire, and crushing to be sieved by a 100-mesh sieve;

step 6, soaking 30 parts by mass of the silkworm larva in swill of glutinous rice for 32 hours, washing off surface cortex dirt by boiling water, soaking in 35% liquorice water for 3 hours, fishing out, draining, baking with slow fire, wiping out skin hair by dry cloth, and smashing and screening the powder and sieving the powder by a 100-mesh sieve;

step 7, taking 10 parts by mass of centipedes, cutting off the head, the tail and the feet, roasting the centipedes with slow fire in a earthen pot, roasting the centipedes for 15 minutes by matching with 10% of mint, spraying 52-degree white spirit while roasting, preferably drying, crushing and sieving with a 100-mesh sieve;

step 8, taking 10 parts by mass of dioscorea cirrhosa, peeling, removing cores, soaking in clear water for 36 hours, taking out, drying in the sun, crushing, and sieving with a 100-mesh sieve;

step 9, taking 10 parts by mass of sweet potato vine, crushing and sieving with a 80-mesh sieve;

step 10, scalding 10 parts by mass of the Chinese polyphaga in boiling water, drying in the sun, crushing and sieving with a 100-mesh sieve;

step 11, taking 10 parts by mass of red tangerine, soaking in brackish water for 24 hours, draining, frying in a tile pan, adding honey juice, adding 3 honey juice into 1 jin of red tangerine, frying, crushing, and sieving with a 100-mesh sieve.

Mixing the powders obtained in the step of claim 2, stirring, adding 18 parts by mass of organic selenium yeast, 5 parts by mass of probiotics, and 3 parts by mass of distiller's yeast, and mixing.

The homogenized composition of claim 3 added to a closed fermentor and fermented for 24 hours at a temperature below 32 ℃.

Drying the fermented product of claim 4 at a temperature below 36 ℃.

The dried substance of claim 5 is granulated and added into daily layer feed, and is added into the daily layer feed according to the proportion of 22%.

Compared with the prior art, the invention has the outstanding effects that: the antibiotic-free selenium-enriched laying hen feed produced by mixing insect-gathered antibiotic effect, high nutritional value and high protein with high protein plants and virus-removed Chinese yam fruits is used for feeding chickens to grow up quickly, is disease-free, strong in spirit, vigorous, large in egg laying size and high in egg hatching rate, and completely meets the requirements of national standard GB 12399-90. The selenium content of the eggs is as high as more than 2.80 PPM. The insect antibacterial peptide is a kind of small molecular peptide formed in insect haemolymph, and the bactericidal potency of the antibacterial peptide is not lower than 5000 units/ml. The insect antibacterial peptide has more than 100 kinds, including maggot, earthworm, ground beetle, cockroach, centipede, black ant, white muscardine silkworm, etc. and has molecular weight of about 4KD, high heat stability, strong basicity, broad-spectrum antibacterial property, capacity of resisting gram-positive bacteria, various viruses, tumor cells, bacteria, fungi and parasites.

Detailed Description

The invention is further described below with reference to the following examples:

in the embodiment 1, the nonreactive selenium-enriched feed is prepared by using cockroaches, earthworms, maggots, white muscardine silkworms, centipedes, ground beetles, black ants, centipedes, gardenia, sweet potato vines and dioscorea cirrhosa through washing, crushing, stirring, mixing, fermenting and drying. The fly maggots are the favorite feed of livestock and poultry since ancient times, can replace fish meal, and have various active substances of antibacterial peptides in the body. The protein content of the fly maggot dry powder is 65 percent, which is equivalent to that of imported fish meal, but the total amount of amino acid is 3 times of that of the fish meal, and methionine, phenylalanine and lysine are 3.2 times higher than that of the fish meal, so that the laying rate and the meat yield of poultry can be improved, and the culture cost can be reduced. According to the research that 12% of fly maggots are added into chicken feed, the feed can be saved by 42%, the breeding cost is reduced by 32%, the meat is increased by 15%, the fly maggots contain antibacterial active substances, the immunity can be improved, the medicines for preventing and treating diseases in the feed can be reduced, the medicines for antibiotics can be replaced, various viruses and bacteria can be killed by adding 0.02% of the antibacterial active protein secreted by the fly maggots into the feed, and the broad-spectrum antibiotic is incomparable with the existing antibiotics. According to tests, after 36 days of feeding period, the average weight gain of 40 days old chicks is improved by 8.9% compared with the control, the laying rate of laying hens is improved by 10-20% on average, each laying hen is fed by 12 g/day in the laying period, the consumption of the feed is 0.58 kg compared with that of each kg of the control, and 1.2 kg of eggs can be added to each 1.2 kg of fly maggots on average.

There are trillions of factors in the housefly body, which cannot be ill by itself in a large-scale high-density state, but the produced antibacterial peptide has unique antibacterial effect. The housefly antibacterial peptide can kill and kill various viruses and cancer cells. The activity of the antibacterial peptide exceeds that of penicillin and antibiotics and medicines and agricultural bactericides used in broad spectrum at present, the characteristics of no cross resistance and no resistance mutation induced by pathogenic bacteria are generated, and the antibacterial peptide is higher than that of the antibiotics and medicines used in broad spectrum. The antibacterial peptide as a feed additive replaces the existing poultry antibiotics, reduces endogenous infection, superinfection, drug resistance, immunity reduction of poultry and livestock caused by the antibiotics and adverse effects on the feed industry, the breeding industry and human health caused by the drugs. Therefore, the invention prepares the nonreactive selenium-rich layer feed by washing the fly maggots, repeatedly washing the fly maggots by acid-base soaking, grinding the fly maggots into 100-mesh sieves, then sterilizing the fly maggots under high pressure, adding probiotics and distiller's yeast for fermentation, adding high-content organic yeast selenium for mixing biochemical reaction and drying.

The functions and the manufacture of the materials are as follows:

centipede, pungent and salty in flavor, toxic, enters liver meridian, has slight fishy smell and special pungent odor, has the functions of dispelling wind, relieving spasm, killing parasites, detoxifying, resolving masses and relieving swelling, and is mainly used for treating pyocutaneous disease and pyogenic infection, blood stasis, tetanus, pertussis, arthritis, insect poison, snake venom, scald and the like.

Earthworm, salty taste, cold nature, non-toxicity, treating insect toxicity, killing long worm, treating typhoid, colic jaundice, removing ascarid, treating pharyngitis, treating snake bite, treating beriberi and malaria, contains earthworm detoxication alkali, lumbricus toxin, and contains lactamine, desmosine, leucine, theanine, lysine and the like.

The eupolyphaga sinensis is an insect of the family Periplaneceae, smells smelly and tastes slightly salty, and is mainly used for breaking blood and removing stasis, reuniting bones and muscles, traumatic injury, falling injury of bones and muscles, amenorrhea due to blood vessels and postpartum stasis and abdominal pain.

Bombyx Batryticatus is a silkworm moth family insect with slightly smelly smell and slightly salty taste, and contains ammonium oxalate, protein bark, fat, steroid 11 ㄨ -hydroxylase system in body surface powdery mildew, and synthetic corticoid. The main treatment is as follows: dispelling pathogenic wind and relieving spasm, eliminating phlegm and resolving masses, and removing toxic substance, and can be used for treating infantile convulsion, apoplexy aphasia, hemiplegia, rubella pruritus, skin ulcer, furuncle, erysipelas, and acute mastitis.

The fly maggot contains 18 kinds of amino acids, 20 kinds of trace elements, selenium, zinc, potassium, etc. and has the antibiotic effect, and the antibiotic peptide and chitin may be extracted to produce antibiotic needle liquid for replacing antibiotic.

Cockroach is mainly used for treating cold, fever and infantile convulsion, and can be prepared into antibacterial and anti-inflammatory protein peptide.

Black ant, promoting blood circulation by removing blood stasis, relaxing tendons and collaterals, traumatic injury.

Tangerine peel, fructus Citri Tangerinae, radix Carthami, fructus Citri Tangerinae, radix Angelicae sinensis, radix Paeoniae alba, and radix Paeoniae alba.

Gardenia jasminoides Ellis is a plant of Rubiaceae family, has light smell and light and slightly sour taste, has yellow pericarp, is prepared by removing fruit stalk and impurities, sun drying, oven drying, and contains flavonoid Gardenia jasminoides Ellis yellow, pectin, tannin, crocus sativus densis, D-mannitol, gardenoside, and geniposide. The main treatment is as follows: purging fire and relieving restlessness, clearing heat and promoting diuresis, cooling blood and removing toxicity. Can be used for clearing away heat, eliminating phlegm, relieving restlessness, insomnia, jaundice due to damp-heat, gonorrhea, diabetes, conjunctival congestion, pharyngalgia, pyocutaneous disease due to heat toxin, sprain, and swelling and pain.

Caulis et folium Pachyrhizi Erosi is Moraceae plant, and stem and leaf of Pachyrhizi Erosi has slight smell and astringent taste, and can be used for clearing heat, promoting diuresis, removing toxic substance, resolving food stagnation, treating cough due to wind-heat evil, dysentery, edema, jaundice, traumatic injury, innominate toxic swelling, rheumatalgia, and hemorrhoid hemorrhage.

Dioscorea cirrhosa, a plant of the family Dioscoreaceae, is prepared by digging tubers, cleaning, drying in the sun, and slicing. Slight smell, slight astringent and bitter taste, and tubers contain condensed tannin, phenols, triterpenes, protein and saccharides. It has astringent, hemostatic, blood circulation promoting, analgesic, hemoptysis, hematuria, and traumatic hemorrhage effects.

Embodiment 2, referring to embodiment 1, the manufacturing method of the present invention is:

the first step, the invention comprises the following components in parts by mass: 5-10 parts of earthworm, 5-10 parts of exocarpium citri rubrum, 20-30 parts of fly maggot, 5-10 parts of ground beetle, 20-30 parts of white muscardine silkworm, 5-10 parts of cockroach, 5-10 parts of black ant, 5-10 parts of centipede, 5-10 parts of dioscorea cirrhosa, 5-10 parts of cape jasmine fruit and 5-10 parts of pachyrhizus stem; preferably, 5 parts by mass of earthworm, 20 parts by mass of white muscardine silkworm, 5 parts by mass of cockroach, 5 parts by mass of black ant, 5 parts by mass of gardenia, 5 parts by mass of eupolyphaga sinensis, 20 parts by mass of fly maggot, 5 parts by mass of centipede, 5 parts by mass of exocarpium citri rubrum, 5 parts by mass of dioscorea cirrhosa and 5 parts by mass of pachyrhizus stem;

secondly, taking 5 parts by mass of lumbricus, 20 parts by mass of white muscardine silkworm, 5 parts by mass of cockroach, 5 parts by mass of black ant, 5 parts by mass of cape jasmine, 5 parts by mass of ground beetle, 20 parts by mass of fly maggot, 5 parts by mass of centipede, 5 parts by mass of exocarpium citri rubrum, 5 parts by mass of dioscorea cirrhosa and 5 parts by mass of pachyrhizus stem;

pretreating insect drugs respectively, wherein Formica fusca is roasted with slow fire in a earthen pot, roasted with white wine while spraying until the surface is brown or brown, roasted with 38% (v/v) Chinese liquor, pulverizing, and sieving with 120 mesh sieve;

the white muscardine silkworm is soaked in glutinous rice washing water for 30 hours, the slobber is washed off, the white muscardine silkworm is baked, the white muscardine silkworm is soaked in licorice water for 2 hours, and the white muscardine silkworm is fished out, dried in the sun and crushed into powder which is sieved by a 120-mesh sieve;

removing head, tail and feet of centipede, frying in a earthen pot, spraying rice wine, frying while spraying, grinding into powder, and sieving with 120 mesh sieve;

peeling fructus Gardeniae, soaking in Glycyrrhrizae radix water for 32 hr, taking out, baking, parching to brown, spraying saline water, parching, pulverizing into powder, and sieving with 120 mesh sieve;

soaking exocarpium Citri rubrum in weak saline water for 24 hr, draining, parching with earthen pot, adding Mel juice, parching, adding 5 Mel every jin of exocarpium Citri rubrum, parching, pulverizing, and sieving with 120 mesh sieve;

cleaning Eupolyphaga Seu Steleophaga with clear water, scalding with boiling water, sun drying, decocting with saline water, sun drying or baking, pulverizing, and sieving with 120 mesh sieve;

soaking Lumbricus with plant ash in warm water to remove mucosa, cutting, cleaning, sun drying or baking, pulverizing, and sieving with 120 mesh sieve;

cleaning rhizoma Dioscoreae Cirrhosae, slicing, sun drying, pulverizing, and sieving with 80 mesh sieve;

cleaning caulis et folium fici Tikouae, air drying or sun drying, cutting, pulverizing, and sieving with 80 mesh sieve;

soaking and washing cockroach with warm water, baking, pulverizing, and sieving with 120 mesh sieve;

washing fly maggot with dilute hydrochloric acid water, washing with lime water, baking or baking, pulverizing, and sieving with 120 mesh sieve;

thirdly, mixing and stirring the various powders obtained in the first step and the second step, and putting the powders into a pressure cooker for sterilization and disinfection;

fourthly, adding the powder obtained in the third step, 5 parts by mass of probiotics and 18 parts by mass of yeast selenium into a fermentation tank for fermentation for 36 hours, wherein the vitality of the yeast selenium fermentation lactobacillus is 20000 hundred million/g;

fifthly, drying and granulating the fermented materials to obtain the antibiotic-free selenium-enriched laying hen feed;

sixthly, mixing the feed of the laying hens in the fifth step with the compound feed of the laying hens according to the proportion of 30 percent, and feeding the chicken to obtain the selenium-rich eggs without antibiotics, wherein the selenium content of the eggs is more than 2.80 PPM. The disease resistance of the chicken is improved, the survival rate of the chicken is over 98 percent, the egg is large in shape, the weight is increased, the appearance is bright, and the nutritive value is comprehensive. Antibiotic chicken needles are not required to be used in the whole feeding process. The antibiotic peptide in the fly maggot and the material replaces the Newcastle disease chicken needle, and the trace elements such as protein, amino acid, lysine and the like are enriched to increase the antibody and autoimmunity of the chicken. The chicken is fast in fattening and strong in mental activity, provides high nutrition for human food supplement, is comprehensive and rich in beneficial elements, and is capable of building body.

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