109results about How to "Reduce feed-to-egg ratio" patented technology

The invention provides a Chinese herbal feed additive and a manufacturing method of the feed additive, and belongs to the field of animal feed additives. The Chinese herbal feed additive is prepared by mixing the following raw materials: radix bupleuri, astragalus mongholicus, codonopsis, poria, atractylodes, licorice, angelica, rehmannia glutinosa, white peony root, glossy privet fruit, hawthorn, medicated leaven, malt, rhizoma atractylodis, oriental wormwood, dodder, fructus cnidii, herba epimedii, pulsatilla, golden cypress, folium isatidis, folium artemisiae argyi, ash bark, cortex ailanthi, vitamin E, vitamin B2 and methionine. When pestilence happens, based on the formula above, the following raw materials can be added: dandelion, honeysuckle and fructus forsythiae. The manufacturing method comprises the steps of drying, weighing, mixing, crushing, screening and mixing the Chinese herbal raw materials. When applied to the feed of laying ducks, the Chinese herbal feed additive has the functions of replenishing Qi to invigorate the spleen, regulating and enriching blood, retaining Yin and nourishing blood, nourishing liver and relieving pain, helping digestion and invigorating stomach, clearing away heat and toxic materials, and inducing diuresis and reducing edema, can improve resistance of the laying ducks, prevent intestinal tract and oviduct inflammation, obviously improve the laying rate of the laying ducks, and reduce the feed-gain ratio.

The invention belongs to the technical field of poultry feed and especially relates to a Chinese herbal medicine feed additive for laying hen and a preparation method thereof. The preparation method of the Chinese herbal medicine feed additive for laying hen comprises the following steps of respectively carrying out reflux extraction of motherwort, prepared rehmannia root, cape jasmine fruit, malaytea scurfpea fruit and dried orange peel orderly by 60 to 90% of ethanol and drinking water, merging extract, mixing the merged extract and water extract solutions of radix astragali, barbary wolfberry fruit, root of pilose asiabell, Chinese angelica, cape jasmine fruit, rhizoma atractylodis macrocephalae, cortex eucommiae, haw, isatis root, raspberry, ligusticum chuanxiong hort and white peony root, concentrating the mixed solution, drying , carrying out processing to obtain dry powder, uniformly mixing the dry powder, crushed pine needle powder and crushed hot pepper powder, and carrying out packaging. The preparation method provided by the invention adopts the scientific and reasonable raw materials and has strong operationality in preparation. The Chinese herbal medicine feed additive for laying hen allows a trace dose, has high efficiency and good palatability, is safe and nontoxic, and improves laying performances of laying hen, egg quality and nutritive values, and economic benefits of a laying hen culture.

The invention discloses a feed for Huainan spotted-brown chickens during an egg producing period. The feed is characterized by being prepared by mixing the following raw materials in percentage by weight: 48%-57% of maize, 10% of unhulled rice, 18.1%-19% of bean pulp, 4% of maize protein powder, 0%-2% of bean oil, 2%-3% of alfalfa meal, 1% of pine needle meal, 1%-2% of chrysanthemum powder, 4%-8.1% of coarse grains, 1% of calcium hydrogen phosphate, 0.3% of salt, 0.5% of a plant root steam leaf mixture, 0.1% of probiotics and 1% of a premix. The feed is divided into a feed used in an expected date of confinement, a feed used in an egg producing peak period and a feed used in a post-peak period, so that the staged nutrition requirements can be well met. The feed has the beneficial effects of being prepared according to physiological life characteristics of the Huainan spotted-brown chickens, the nutrition requirements of the chickens are well met, the high-quality feed materials are used, a small quantity of a natural and safe plant root stem leaf mixture is added, no animal protein and chemically synthesized functional feed additives are added, the egg producing rate of the Huainan spotted-brown chickens during the egg producing period can be increased, the feed-egg ratio can be reduced, and the egg quality can be improved.

The invention discloses composite microecological feed additive capable of improving producing capability of broiler chicken egg breed chicken. The technical scheme includes that that composite microecological feed additive is characterized by comprising one strain of Lactobacillus casei HM-10 (L.casei HM-10), one strain of lactobacillus plantarum HM-20 (L.plantarum HM-20) and one strain of bacillus licheniformis (Bacillus licheniformis BL-08). Each gram of the microecological feed additive comprises, by mass, 10% of the L.casei HM-10, 10% of the L.plantarum HM-20, 10% of the Bacillus licheniformis BL-08, and 70% of zeolite powder, wherein the viable count in the L.casei HM-10 is larger than or equal to 2.5x108, the viable count in the L.plantarum HM-20 is larger than or equal to 2.5x108, and the viable count in the Bacillus licheniformis BL-08 is larger than or equal to 2x108.

The invention discloses newly separated pediococcus acidilactici HEW-AP27 collected in the CGMCC (China General Microbiological Culture Collection Center) in the Institute of microbiology of CAS (Chinese Academy of Sciences) in Beichen west road No.1 yard No.3 in Chaoyang District of Beijing with the postal code of 100101 on March 7, 2018, with the collection number of CGMCC NO.15419. The invention also provides a preparation method of a viable pediococcus acidilactici preparation. The method comprises the steps as follows: the pediococcus acidilactici is used as a fermentation strain, an optimized fermentation process and a fermentation medium are adopted, discharging is performed after first-stage, second-stage and third-stage culture, active bacterial sludge is obtained through centrifugation, a stabilization protective agent is added, granulation is performed through a granulator, a coating liquid is added to a coating machine for coating, and finally, the viable pediococcus acidilactici preparation is obtained. The pediococcus acidilactici HEW-AP27 has acid resistance, cholate resistance and high-temperature resistance, has high acid producing performance and can inhibit growth and reproduction of pathogenic bacteria.

The invention provides a new strain FM 603 of bacillus coagulans, and the preservation number of the strain is CGMCC NO.10221. The strain can generate bacteriocin antibacterial substances and achieves antibacterial activity for Gram-positive pathogenic bacteria such as Listeria monocytogenes, staphylococcus aureus, methicillin-resistant staphylococcus aureus, clostridium perfringens and clostridium difficile. The molecular weight of bacteriocin is 4276.45 Da, the partial amino acid sequence is Ala-Gly-His-Dhb-Phe-Val-Dhb-Gly-Pro, and the bacteriocin is stable under treatment of heat, acid, and pepsase or trypsin and can be degraded easily by pronase to be inactivated. The invention further provides an FM603 fermentation product which can be used as a microbiological feed additive. Animal test results show that the fermentation product can increase the laying rate of laying hens, reduce the feed-egg ratio and improve egg quality; the feed intake and daily gain of piglets are increased, and the feed conversion ratio is reduced; the daily gain and the content of lysozyme in serum of broiler chickens are increased, and the feed conversion ratio and the death rate are reduced.

The present invention discloses a fermented feed-containing 5% laying hen premix and a laying hen full price daily diet prepared from the premix. The fermented feed consists of corn, tenebrio molitor meal, soybean meal, cottonseed meal, apple residues, chili meal, corn soaking liquid sprayed corn husk, wheat bran, microorganism liquid and water. The preparation steps of the fermented feed are as follows: raw material crushing and weighing, raw material primary mixing, strain activating, strain and raw material secondary mixing, solid anaerobic fermenting, and wet basic state fermentation product drying. The fermented feed-containing 5% laying hen premix comprises dry basic state fermentation feed and other materials. The daily diet consists of corn, soybean meal, stone powder, and the fermented feed-containing 5% laying hen premix. The advantages of the daily diet are that after the laying hens are fed by the daily diet, the laying hen egg production rate and other egg laying performances and egg product quality are significantly improved, egg production peak period is extended, immune function is enhanced, anti-stress ability is improved, and the daily diet can superimposedly play the roles of regulating the microecology of beneficial bacterium flora and regulating neurotransmitter in the central nervous system.

The invention relates to compound premix feed for laying quails, which comprises 3 to 7 kg of manganous sulfate, 2 to 6 kg of zinc sulfate, 1 to 5 kg of ferrous sulfate, 0.2 to 0.6 kg of copper sulphate, 15 to 21 kg of choline chloride, 3 to 7 kg of lysine, 26 to 34 kg of methionine, 1.6 to 2.4 kg of phytase, 180 to 261.2 kg of calcium carbonate, 240 to 310 kg of calcium hydrophosphate, 320 to 440 kg of fish meal, 35 to 65 kg of common salt, 0.26 to 0.85 kg of vitamin A, 0.08 to 0.25 kg of vitamin D3, 0.69 to 2.28 kg of vitamin E, 0.063 to 0.21 kg of vitamin K3, 0.035 to 0.11 kg of vitamin B1, 0.44 to 1.4 kg of vitamin B2, 0.19 to 0.63 kg of vitamin B6, 0.033 to 0.14 kg of vitamin B12, 0.04 to 0.13 kg of folic acid, 0.01 to 0.03 kg of biotin, 0.4 to 1.3 kg of nicotinic acid, 0.1 to 0.38 kg of calcium pantothenate and 1.059 to 2.29 kg of rice hull powder. The laying quails fed by the premix feed have high laying rate, and the ratio of the feed to the egg is 2.2-2.5:1.

The present invention discloses a laying duck feed for improving the color and quality of eggshell. The feed is made from corn, wheat middling, soybean meal, stone powder and compound premix feed. The compound premix feed includes 100-150 parts of prickly ash seeds, 100-160 parts of calcium hydrogen phosphate, 250-350 parts of stone powder, 40-70 parts of table salt, 20-40 parts of baking soda, 12-20 parts of choline, 30-40 parts of compound trace elements, 8-10 parts of compound vitamins, 1-3 parts of vitamin C, 25-30 parts of methionine, 200-300 parts of fishmeal, 1-3 parts of lactic acid bacteria, 20-30 parts of Chinese herbal medicines, 0.2-0.4 part of HyD, 2-5 parts of phytase, 2-4 parts of complex enzyme preparations and 0-100 parts of carriers. Using the feed to feed laying ducks can significantly enhance immunity of the laying ducks, can make the eggshell good in quality, low in breakage rate and bright in color, can make the laying ducks long in egg laying peak, and can significantly improve the breeding efficiency.

The invention discloses eco-nutritional compound feed for laying hens at an egg-laying peak and a preparation method of the eco-nutritional compound feed. The eco-nutritional compound feed for the laying hens at the egg-laying peak comprises components in percentage by weight as follows: corn, bean pulp, rice bran, calcium hydrophosphate, rock flour, baking soda, sodium chloride, soybean oil, compound trace elements for the laying hens, compound vitamins for the laying hens, 50% choline chloride, a bacillus coagulans preparation, a fructo-oligosaccharide preparation, an DL-methionine, compound enzyme for the laying hens, phytase, montmorillonite and zeolite powder. The nutritional requirement of the laying hens can be met, the immunity and the anti-stress capacity of the laying hens can be effectively improved, the disease rate is reduced, the egg laying rate is increased, the lasting time of the peak is prolonged, the quality of eggs is improved, the environment of henhouses can be improved, and the eco-nutritional compound feed is a novel laying egg feed product integrating nutrition, the anti-disease property, promotion of a high yield and pollution-free property.

The invention discloses a compound premix for laying hens and a preparation method and a using method thereof. The content of main nutrition in every kilo of the compound premix is 170,000IU of vitamin A, 350,000IU of vitamin D, 200IU of vitamin E, 30mg of vitamin K3 (calculating according to menaquinone), 140mg of vitamin B1, 110mg of vitamin B2, 680mg of vitamin B, 120.2mg of vitamin B, 15mg of folic acid, 3.6mg of biotin, 700mg of niacin, 250mg of pantothemic acid, 1,800mg of ferrum, 160mg of copper, 1,400mag of zinc, 1,300mg of manganese, 10mg of iodine, 7mg of selenium, 18,000mg of methionine, 6,000mg of choline chloride, 4,000mg of phytase and 100,000mg of bacillus subtilis. The compound premix can obviously improve laying rate of laying hens of 35 weeks, reduces the ratio between the feed and eggs and improves quality of eggs.

The invention discloses a premixed feed for improving egg production and egg quality of hens and a preparation method thereof. The premixed feed mainly comprises calcium hydrogen phosphate, rock powder, table salt, lysine, methionine, phytase, a compound enzyme preparation, a micro-ecological preparation, nitrogen solution powder, organic zinc, choline chloride, various vitamins, various minerals and carriers. A certain proportion of the organic zinc, micro-ecological preparation and nitrogen solution powder are added into the premixed feed disclosed by the invention, so that the average egg weight and the laying rate of the layers during a laying period can be improved, the feed egg ratio and soft-shelled egg rate are significantly reduced, and moreover, the eggshell thickness, Haugh unit and eggshell strength are significantly improved.

The invention belongs to the technical field of feed production, and provides a feed for producing storage-durable low-cholesterol selenium-rich green-shell eggs, wherein the feed is prepared from tea polyphenol with the purity of 98%, yeast selenium with the selenium content of 2000 mg / kg and basic feeding grains. The egg laying rate is improved obviously by tea polyphenol and yeast selenium, the material to egg ratio is lowered, and the average egg weight is increased; tea polyphenol can obviously delay the egg haugh unit to decrease in the storage process, the storage durability of eggs is improved, and according to the haugh unit value of a treatment group in the preserved test result at normal temperature (25 DEG C), the fresh egg freshness preservation period can be determined to be more than 15 days; 200 mg / kg-400mg / kg tea polyphenol is added in the basic feeding grains, the cholesterol content in egg yellow can be lowered obviously, and meanwhile, 0.25 mg / kg-0.50mg / kg yeast selenium is added in the basic feeding grains, the cholesterol content in egg yellow can be improved obviously; and in order to produce the low-cholesterol selenium-rich eggs and prolong the normal-temperature storage period of the eggs, the adding of tea polyphenol and yeast selenium with the combination effect of 400 mg / kg and 0.25 mg / kg is most suitable.

The invention belongs to the technical field of feeds and particularly relates to a compound feed for laying hens in an egg-laying peak period and a preparation method thereof. The compound feed consists of corns 59-62%, soya bean meal 15-16%, cottonseed meal 7-8%, starched bran 5-6%, lard oil 0.4-0.6%, mountain flour 9-9.5%, calcium hydrophosphate 0.4-0.6%, methionine 0.06-0.08%, baking soda 0.09-0.12%, salt 0.25-0.4%, anhydrous sodium sulphate 0.09-0.12%, phytase 0.015-0.02%, compound vitamin 0.015-0.025%, compound microelements 0.075-0.085%, microecologics 0.015-0.025%, antioxidant 0.004-0.006% and glycine betaine 0.015-0.02%. The compound feed is reasonable in proportion, and the preparation method is simple. The immunity of the laying hens can be enhanced, the mortality and elimination rate is reduced, the egg-laying peak period is prolonged, the material-egg ratio can be improved, the egg quality can be improved, and the overall economic benefit of farmers can be improved obviously.

The invention provides bacteriocin and a preparing method thereof. The bacteriocin is generated by bacillus coagulans FM603 with the collection number of CGMCC NO.10221, and has antimicrobial activity on Gram-positive pathogenic bacteria such as Listeria monocytogenes, staphylococcus aureus, methicillin resistant staphylococcus aureus, clostridium perfringens and clostridium firmus. The molecular weight of the bacteriocin is 4276.45 Da, a part of the amino acid sequence is Ala-Gly-His-Dhb-Phe-Val-Dhb-Gly-Pro, and the bacteriocin is stable under treatment of heat, acid, pepsin or trypsin and can be easily degraded by pronase to be inactivated. The bacteriocin can be used as microorganism feed additives, the laying rate of laying hens can be increased, the feed-egg ratio can be reduced, and egg quality can be improved; the feed intake and the daily gain of piglets can be increased, and the feed-meat ratio can be reduced; the daily gain of broilers and the content of lysozyme can be increased, and the feed-meat ratio and the death rate can be reduced.

A high-yield raising technology of laying periods is summarized from the stages of a brooding period, a breeding period and a laying period for guiding raisers to maintain a longer time of laying peak of egg chicken in cultivation of the laying period, thereby minimizing the cost and obtaining the maximum economic benefit. Meanwhile, by egg chicken raising management, the harmful effects of various adverse circumstances on the egg chicken can be reduced to the maximum limit so that an environment which is most beneficial to health and laying is provided for the egg chicken to enable the genetic potential of the chicken to be sufficiently displayed. More commodity eggs are laid. The feed egg ratio and the egg breakage ratio are reduced, the survival rate of the egg chickens is increased and the like.

The invention relates to a selenium-rich low-cholesterol duck egg and a production method thereof, belonging to the production field of healthcare functional eggs. In the invention, lactobacillus acidophilus and candida utilis are used as strains; the culture medium contains 0.5-2% of yeast extract paste and 0.5-2% of glucose; and the strains are inoculated in the culture medium containing sodium selenite to culture for 30-40 hours. The obtained selenium-rich probiotic culture solution is added to the corn bean pulp type basic ration to feed the laying duck; and one month later, the selenium-rich low-cholesterol duck eggs are obtained. While providing relatively comprehensive nutrition, the selenium-rich low-cholesterol duck egg produced by the invention plays the function of supplementing selenium, has the advantage of low cholesterol, has wide healthcare functions, and is particularly important in preventing cardiovascular diseases of human bodies.

The present invention relates to a natural plant extract feed additive and its preparation method. Said natural plant extract is made up using (by weight portion) 55-75 portions of dandelion, 15-25 portions of crataegus fruit, 6-14 portions of tangerine peel and 2-8 portions of licorice through a certain preparation process. The total flavone content of said natural plant extract is greater than 10%. Said preparation process includes the following steps: ethyl alcohol extraction, filtration, concentrating filtrate, reduced pressure drying, pulverizing, adding carrier and uniformly mixing.

The invention relates to a method for preparing a nonreactive selenium-rich laying hen feed additive. Eggs are necessary food in daily life of people, and are rich in nutrition. In recent years, professional raising farmers abuse antibiotics and hormones to acquire profits and prevent chicken diseases, and consequently, egg drug residues are serious, and physical and psychological health of people is affected. According to the method, lycopene, natural lutein, chitosan oligosaccharide, selenium yeast, diaminocaproic acid, diaminocaproic acid, lactic acid bacteria, bacillus subtilis, vitamin E, brewer's yeast, phytase, vitamin C, malic acid, lactic acid and water are organically mixed and fermented to be prepared into the nonreactive selenium-rich laying hen feed additive. Then, the nonreactive selenium-rich laying hen feed additive is combined with feed, intestinal probiotics of laying hens can be protected, absorption of nutrient substances can be promoted, the growing and reproducing function of the laying hens can also be adjusted, ovary development can be promoted, egg laying quality can be improved, the laying rate can be increased, and selenium-rich eggs free of antibiotic drug residues are produced.

The invention provides a pediococcus pentosaceus NHB-PpA9601. The pediococcus pentosaceus NHB-PpA9601 is separated from intestinal tracts of white feather broilers, and is preserved in China General Microbiological Culture Collection Center (CGMCC for short, the address is Institute of Microbiology, Chinese Academy of Sciences, 3 #, 1 # yard, West Beichen Road, Chaoyang District, Beijing, the postal code is 100101), the preservation number is CGMCC NO.22646, and the preservation date is May 31, 2021. The pediococcus pentosaceus NHB-PpA9601 has the advantages that the obvious probiotic property is realized, the growth and reproduction of pathogenic bacteria such as intestinal pathogenic escherichia coli, staphylococcus aureus, salmonella suis, salmonella choleraesuis, salmonella gallinarum, salmonella pullorum, salmonella typhimurium, salmonella, shigella, bacillus perfringens, proteus penneri, aeromonas hydrophila and vibrio parahaemolyticus can be effectively inhibited; the pediococcus pentosaceus NHB-PpA9601 can be used for producing a wet-based fermented feed, and can be used for effectively improving intestinal health and increasing economic benefits.

The invention discloses a chlorella laying-chicken feed and a feeding method thereof, and belongs to the technical field of poultry feeds. The chlorella laying-chicken feed comprises a nutritive base material and a microbial activation solution. The chlorella laying-chicken feed is characterized in that the nutritive base material is a mixture of the following ingredients: 50-70 parts of corn flour, 16.5-26.5 parts of bean meal, 6.7-9.5 parts of bran, 8-12 parts of a premixed material and 1.5-2.5 parts of flax oil; and the microbial activation solution comprises the following ingredients: 20-40ml of a chlorella nutrient solution, 5-8ml of a microbial feed additive, 0.2-0.5ml of compound probiotics and 1500-2400ml of drinking water. The nutritive base material and the microbial activation solution are compounded into a laying-chicken feed by the invention; the prepared laying-chicken feed is capable of satisfying nutritional requirements for laying-chicken growths and egg-laying; moreover, the laying-chicken feed is capable of regulating Intestinal flora relationships of the laying chickens, reducing antibiotic usages, enhancing feed conversion rates, increasing average daily gains of the laying chickens, reducing feed-egg ratios, and improving economic benefits of culturing.

The present invention relates to a peptide feed addictive for improving the quality of fowls eggs, which is a proteolysis solution obtained by fermenting and hydrolyzing, through one or more of bacillus, aspergillus, blue molds and actinomycetes, a mixture of one or more of soy proteins including soja bean separation egg white, soya bean waste, soya bean cake and soja bean therein and glutens including zein, maize protein meal and hard corn egg white therein; or a mixture obtained by further bacteriological filtration, concentration, carrier addition and adsorbing drying of the proteolysis solution or directly sponging drying the proteolysis solution. Said peptide feed addictive is capable of not only improving greatly the egg yolk colour tint and increasing beneficial components such as carotenoids in egg yolks, but also improving eggshell quality and laying rate, with a lower cost and without harmful substances deposition in egg yolks.

The invention provides an antibiotic-free hormone-free laying hen feed utilizing fly maggot protein powder to replace fish meal and a preparation method of the laying hen feed, and belongs to the technical field of cattle breeding feed. The antibiotic-free hormone-free laying hen feed is prepared from the following components in parts by weight: 50-70 parts of corn flour particle, 2-6 parts of wheat bran, 10-30 parts of bean pulp, 3-7 parts of the fly maggot protein powder, 4-7 parts of rice bran and hull, 0.5-2 parts of calcium hydrophosphate, 5-11 parts of mountain flour, 0.1-0.7 part of salt, and 0.01-0.2 part of a vitamin premix. A laying hen fed by adopting the antibiotic-free hormone-free laying hen feed provided by the invention has the advantages of a high laying rate, a low deathrate, good quality of laid eggs and the like.

The invention provides a formula feed for laying hens during an egg-laying peak period and a preparation method of the formula feed. The formula feed comprises the following components in percentage by weight: 40-50% of corns, 8-12% of soybean meal, 1-3% of saccharomyces cerevisia fermented liquor dregs, 20-30% of corn distiller dried grains, rice bran, stone dust, zeolite powder, calcium hydrogen phosphate, common salt, soybean lecithin oil, lysine, methionine, choline chloride, soybean Isoflavones, sodium bicarbonate, a compound premix and the like. The application provides the formula feed for the laying hens, which is comprehensive in nutrients, easy to digest, easy to absorb and stress-resistant, and can obviously reduce various stresses, improve the health of intestines, improve the immunity of organisms of the laying hens, maintain the stability of the egg laying rate and reduce the cost of the feed and the cultivation cost. Meanwhile, the apparent digestion rate of crude proteins, calcium, phosphorus and other nutritional substances is significantly improved, the emission of nitrogen and phosphorus in manure is reduced, and the environmental pollution caused by excretion of manure can be obviously reduced.

The invention provides a compound premixed feed for layers and a complete ration thereof. The compound premixed feed for layers comprises 280-340 parts of rock powder, 100-200 parts of meerschaum, 100-200 parts of rice hull powder, 150-190 parts of calcium hydrogen phosphate, 60-70 parts of sodium chloride, 10-20 parts of sodium bicarbonate, 24-28 parts of choline chloride, 52-64 parts of amino acid, 2-4 parts of microecological composite bag, 2-4 parts of phytase, 4-6 parts of eggshell improver, 1.5-2.5 parts of toner, 2-3 parts of antioxidant, 29-31 parts of composite minor element, 9-11 parts of vitamin complex, 0.05-0.15 part of L-carnitine and 0.6-1 part of plant extract. On the premise of ensuring the feed safety, the compound premixed feed for layers provides comprehensive and balanced nutrients for high egg laying rate, so that the brand name eggs can achieve the appropriate fat content and have better flavor, and the influence of raw material mildewing on the productivity is reduced.

The invention provides a Chinese herbal medicine laying hen feed and a preparation method thereof. The preparation method comprises the following steps: selecting glossy privet fruits, motherwort, astragalus membranaceus, pericarpium citri reticulatae powder, pine needle meal, Radix Puerariae, red date powder and honeysuckle to prepare Chinese herbal medicines; and after stir-frying, mixing the Chinese herbal medicines with corn, bean pulp, pricklyash peel seeds, saccharomyces cerevisiae fermented distiller's grains, Chinese herbal medicines, fruit residues, grease, table salt, amino acids, stone powder, calcium hydrophosphate, probiotics, composite vitamins, composite trace elements, a composite enzyme preparation, choline chloride and baking soda according to a certain proportion, and carrying out crushing and sieving. The laying hen feed can effectively improve the immune function of laying hens, enhance the disease resistance of the laying hens and reduce the infection rate and death and culling rate of the laying hens, so that the laying rate of the laying hens is increased, the egg laying peak time is prolonged, egg laying products are improved, and the raw material is wide in source, low in cost and suitable for large-scale production and application.

The invention belongs to the field of feed and specifically relates to laying hen feed for producing calcium-rich and zinc-rich nutritional eggs and a preparation method of the feed. The laying hen feed includes: a fermented base ingredient, calcium lactate, zinc gluconate, glycyl glutamine and a high-nucleic acid yeast hydrolysate, wherein the fermented base ingredient is a product of the base ingredients of the laying hen feed inoculated with bacillus cereus and bacillus megaterium through ventilating fermentation. The inoculation amount of the bacillus cereus is 0.05%-0.8% by weight and the inoculation amount of the bacillus megaterium is 0.005%-0.05% by weight; the content of the calcium lactate is 8%-15% by weight; the content of the zinc gluconate is 0.1%-0.5% by weight; the content of the glycyl glutamine is 0.01%-0.5% by weight; and the content of the high-nucleic acid yeast hydrolysate is 0.1%-0.5% by weight. The laying hen feed provided by the invention significantly improves the quality of the eggs laid by laying hens and reduces the feed amount for feeding the laying hens so as to increase the production benefit of raising the laying hens.

The invention relates to an application of fu brick tea serving as a chicken feed additive. The fu brick tea is used in a form of fu brick tea powder, fu brick tea extract or mixture of the fu brick tea powder and the fu brick tea extract, is added into the traditional chicken feed, and is mainly used for adjusting the lipid metabolism of a chicken, improving the egg laying performance of the chicken and reducing the content of cholesterol in eggs. The additive is rich in the material resource, controllable in production cost and suitable for industrial development and production and has certain positive significance in enhancing the development of the chicken industry and widening the industry chain of the fu brick tea.

The invention provides a fermentation traditional Chinese medicine feed additive and a production technology thereof, and relates to the field of feed additives. The formula of the fermentation traditional Chinese medicine feed additive consists of the following raw materials in parts by weight: 10-20 parts of wild chrysanthemums, 10-20 parts of glossy privet fruits, 10-20 parts of haws, 10-20 parts of motherwort, 10-20 parts of folium isatidis, 10-20 parts of honeysuckle stems, 10-20 parts of radix scutellariae, and 2-10 parts of liquid spawn. According to the fermentation traditional Chinese medicine feed additive disclosed by the invention, the specificity and the nonspecific immunity of animal organisms can be effectively improved, the disease resistance of the organisms can be strengthened, the dosage during a breeding period is reduced, and the drug residues are reduced; balance of gastrointestinal bacterial flora of animals is adjusted, comprehensive absorption of nutrients is facilitated, and the breeding cost such as the feed conversion and the feed-to-egg ratio is reduced; the breeding environment is improved, harmful gas such as ammonia is reduced, mycotoxin is removed, and damage caused by mildew and rot of the feed is reduced; and the quality of animal products is improved, and the breeding benefits are increased.