101results about How to "Improve egg quality" patented technology

The invention discloses prescriptions of feeds for breeding pigeons in different growing phases and a breeding method thereof. Corresponding feed prescriptions are respectively provided according to the characteristics of different growing demands of breeding pigeons in different growing phases at different ages in days, components of the feed prescriptions are common feeds, and are low in cost, convenient to buy and strong in feed conversion ration. The feed prescriptions for growing phases can be used for effectively preventing common diseases of breeding pigeons in the growing stage, balanced supply of energy and protein can be met according to the characteristics of different growing-phase demands of pigeons, the growing development and multiplication of the breeding pigeons can be promoted, the laying amount and the laying quality can be improved, the content of cholesterol in meat can be reduced, and the body health can be benefited.

The Chinese herbal medicine fodder additive for egg layer consists of 21 kinds of Chinese medicinal materials, including angelica, astragalus root, figwort, dandelion, viola yedoensis, etc in certain weight proportion as the basic components, into which, schizonepeta herb and mint are added for spring recipe, elsholizia and ginger are added for summer recipe, Dangshen and white atractylodes rhizome are added for autumn recipe and herbaceous peony and dark plum are added for winter recipe. Its production process includes drying in the sun, weighing, crushing and mixing. It is added into the fodder for egg layer in the amount of 1 wt%, and can increase egg weight, deepen yoke color, prevent disease and raise egg quality.

The invention discloses a compound feed for improving egg products of laying hens. The compound feed comprises cereals, bean pulp, rapeseed meal, rice bran meal, peanut meal, cottonseed meal, palm kernel meal, bran, corn germ meal, corn gluten meal, fish meal, insect powder, shell powder, natural betaine, dicalcium phosphate, salt, lysine, methionine, threonine, liquid phytase, compound enzyme preparations, trace element premix, vitamin premix and feed additive. A method for preparing the feed additive comprises the steps of frying atractylodes lancea and green tangerine peel for standby application, adding honeysuckle, motherwort, prunella, eucommia, astragalus, angelica dahurica, Japanese knotweed, amomum villosum, folium isatidis and pummelo peel into clear water to perform decoction, obtaining medicine residue, blending and smashing the fried materials and the medicine residue, adding modified attapulgite powder to perform mixing evenly, and obtaining the feed additive. The special feed additive is added to the compound feed, so that the feed structure is changed, the laying rate is improved while the safety in egg production of the laying hens is guaranteed, and the egg quality is improved.

The invention discloses a chicken feed probiotic agent containing enterococcus faecalis and a preparation method of the chicken feed probiotic agent. The chicken feed probiotic agent is prepared by virtue of the steps of evenly mixing enterococcus faecalis HEW-A131 active bacterial sludge, bacillus subtilis active bacterial sludge, saccharomyces cerevisiae active bacterial sludge and a stabilization protective agent together in the mass ratio of (0.1-0.8): (1-2.5): (0.1-0.5): 1, and then pelletizing, drying, coating and the like; the probiotic agent is capable of improving the utilization efficiency of an animal feed and saving the cost, and also capable of greatly improving the steady state of the internal environment of the digestive tract in an animal body, promoting the absorption and utilization of nutrition and promoting the growth of the animal; as a result, the productivity, the immune performance and the reproductive performance of the animal are obviously improved, the production cost is reduced and the economic benefit is increased.

The invention provides a breeding method for amphiprion ocellarises. The breeding method comprises the following three steps: a. breeding parent fishes; b. incubating oosperms; c. breeding young juvenile fish. Fry is bred for 60 d after being incubated, the overall length of the juvenile fish is up to 2 cm to 3 cm, and the breeding process is ended up; during the breeding process, the minced-meat-shaped fresh bait made of rotifer intensified by seawater chlorella for 24 h, artemia and copepods intensified by DHA and the chlorella for 12 h, and marine small animals of which phospholipid content is more than 25% in succession and compound feed are fed as the bait in an individual manner or a superimposed manner; furthermore, water is changed and the amphiprion ocellarises are divided and put in fish tanks in proper time. The breeding method for the amphiprion ocellaris, provided by the invention, provides a way which can be operated in an industrialized and large-scale manner; compared with the prior art, as the breeding method provided by the invention is of popularity to a higher degree, a foundation is provided for large-scale breeding of the amphiprion ocellaris.

The invention provides a laying hen feed additive, which is prepared from the following ingredients in parts by mass: 100 to 700 parts of bacillus subtilis powder, 10 to 220 parts of saccharomyces cerevisiae powder, 50 to 100 parts of lactobacillus acidophilus fermentation solids, 10 to 30 parts of clostridium butyricum fermentation solids, 30 to 70 parts of momordica charantia extracts, 5 to 20 parts of vitamin B and 50 to 100 parts of egg-shell meal. The laying hen feed additive has the advantages that the egg laying rate of laying hens can be effectively improved; the content of vitamin B in the eggs can be improved. Meanwhile, the invention also provides a preparation method of the laying hen feed additive. The preparation method is simple; the wide application prospects are realized.

The invention discloses an environment-friendly feed for laying hen. The feed is prepared from the following raw material by weight: 40-50 parts of buckwheat, 40-50 parts of naked oat, 5-10 parts of black buckwheat, 40-50 parts of oatmeal, 5-7 parts of green tea powder, 3-5 parts of pearl powder, 6-12 parts of oysters, 5-8 parts of rapana pulp, 6-9 parts of perilla leaf, 14-19 parts of sea crab shells, 4-6 parts of kiwi seeds, 8-12 parts of candied orange peel, 10-13 parts of avocado jam, 1-2 parts of wolfberry, 2-3 parts of cloves, 1-2 parts of polyghace seche, 20-25 parts of Tenebrio molitor dung, 3-4 parts of microzyme, 5-6 parts of sugar, 3-4 parts of a phagostimulant and a proper amount of water. The environment-friendly feed for laying hens provided by the invention uses buckwheat, naked oat and oatmeal as the main raw materials; the added Tenebrio molitor dung can significantly improve feed utilization, promote digestion of laying hens and reduce the cost of feed; the added phagostimulant has the effects of enhancing immunity, strengthening the stomach, and promoting digestion; and the prepared feed uses the wastes, can reach good breeding performance and low incidence of disease of the laying hen, effectively overcomes the problem of low contents of various proteins and vitamins in the traditional bait, and has good environmental protection and culture benefits.

The invention discloses a special composite vitamin premix feed preparation for breeding poultry. The special composite vitamin premix feed preparation for breeding poultry per 1000 parts by weight comprises the following components in parts by weight: 726.8-839.1 parts of composite fermentation fine powder of traditional Chinese medicines, 92.5-137.1 parts of vitamins, 8-15 parts of amino acid, 25-35 parts of polysaccharide, 10-15 parts of zinc methionine and 50-75 parts of dihydropyridine. One purpose of the invention aims at providing the special composite vitamin premixed feed preparation for breeding poultry, wherein the special composite vitamin premixed feed preparation has the functions of improving the feed conversion rate and the productivity of breeding poultry, restraining harmful bacteria and the like, is convenient to use and has low use cost, performance price ratio, no antibiotic residues and no antibiotic resistance, and the other purpose of the invention aims at providing a preparation method and application of the special composite vitamin premixed feed preparation for breeding poultry.

The invention provides an expression vector for expression of recombinant vitellogenin in an eukaryotic host. An eukaryotic host, including yeast comprising the expression vector according to the invention may be used as a feed or feed additive for both oviparous and non-oviparous animals, including domesticated animals. A transgenic yeast according to the invention contain increased levels of essential amino acids and fatty acids and may be used as a direct feed or fed to an intermediate live feed such as rotifers or artemias to increase the survival rates of oviparous animal or broodstock.

The invention discloses multifunctional feed and a preparation method. The feed is characterized by being prepared from, by weight, 30-40 parts of corn flour, 20-30 parts of soybean cakes, 20-30 parts of dried alfalfa powder, 5-10 parts of chinensis leaves, 10-15 parts of chopped celery, 1-3 parts of fish liver oil, 5-8 parts of fly maggot powder, 5-10 parts of beetle powder, 3-5 parts of shellfish powder, 1-5 parts of additive and 3-5 parts of microbial mixed bacteria. By adding corn flour, soybean cakes, dried alfalfa powder, chinensis leaves, chopped celery, fish liver oil, fly maggot powder, beetle powder, shellfish powder and composite microflora composed of bacillus subtilis, lactobacillus acidophilus and bifidobacterium, laying hens can better absorb nutrients, harmful microflora in laying hen intestinal tracts can be well eliminated, immunity of the laying hens is improved, the egg yield is increased, the egg laying period is prolonged, and chicken quality is improved.

The invention discloses a breeding method of partridges in brood time. A set of systematic breeding management method of partridges in the brood time is comprehensively provided from the aspects of fence and aviary management, ventilation and temperature management, illumination management, stocking density and feed management of the partridges in the brood time. Corresponding adjustment is carried out on temperature, illumination, stocking density and feeding amount according to different week ages, the growth speed of young birds of the partridges is effectively improved, the food intake amount is increased, the death rate and the morbidity of the young birds are reduced, the feed conversion is improved, the promoting effect is taken for the increase of the later laying rate and the improvement of the laying quality, and economic benefits are improved for partridge culturists.

The invention discloses a feed with flavor of a native egg for a laying hen and a preparation method thereof. The feed is prepared from the following raw materials: corn flour, bean pulp, cow blood meal, gulfweed meal, gluten meal, brewer's grain, pomace, bagasse, mung beans, Chinese chestnuts, milk powder, yolk powder, fresh kelps, ginkgos, cinnamon, anise, peanut butter, chrysanthemum leaves, potentilla chinensis, dogwood, ephedra, glossy privet fruits, walnut shells, straw powder, leaf mould, a phagostimulant and a proper amount of water. The feed disclosed by the invention is maximally characterized in that raw materials are selected and matched by simulating the green environment of the nature, wherein the selected raw materials are abundant in nutrition and various in types and can satisfy the demand of the laying hen for different nutrients, promote the laying hen to absorb and convert the feed, enhance the egg nutrition and improve the quality of the egg, so that the egg has a strong flavor of the native egg.

The invention discloses a digestible feed for laying hen. The feed is prepared from the following raw materials by weight: 60-70 parts of sorghum, 50-60 parts of wheat, 10-15 parts of black rice powder, 5-10 parts of sweet broad pea, 4-6 parts of yellow rice wine, 10-13 parts of black peanuts, 5-8 parts of dried persimmon, 6-12 parts of clam shell powder, 12-16 parts of polished round-grained rice bud, 4-8 parts of corn bud, 5-10 parts of black fungus, 15-20 parts of cabbage root, 5-9 parts of camel milk, 13-19 parts of sizzling rice, 1-2 parts of Artemisia annua, 2-3 parts of exocarpium citri rubrum, 1-2 parts of rhizoma atractylodis, 20-25 parts of Tenebrio molitor dung, 5-6 parts of sugar, 3-4 parts of microzyme, 3-4 parts of phagostimulant and a proper amount of water. The digestible feed for laying hens provided by the invention uses sorghum and wheat as the main raw materials; the added Tenebrio molitor dung can significantly improve feed utilization, promote digestion of laying hens and reduce the cost of feed; the added phagostimulant has the effects of enhancing immunity, strengthening the stomach, and promoting digestion; and the prepared feed can effectively enhance the immunity, improve the digestion utilization rate of feed, increase the egg weight and yield, reduce the incidence of disease and mortality of laying hens and increase culture benefits.

The invention discloses an egg coating device for coating preserved egg with fresh-keeping material. The egg coating device comprises a box body, wherein more than four groups of vertical columns aresymmetrically distributed at the eccentric positions of the lower side of the box body at equal angles; one end, away from the box body, of each vertical column is connected with an anti-skid pad; theupper side of the box body is connected with a box cover through a hinge; two groups of blocking plates are symmetrically distributed at one side, near the hinge, of the box body; two groups of connecting ribs are symmetrically distributed at both sides, near the box cover, of the box body; a PLC (programmable logic controller) is arranged at one side of the exterior of the box body; a fan fixingbulge is arranged at the other side of the exterior of the box body, and is matched with a through groove in the middle part of an egg coating plate through an egg supporting frame, so as to realizefull-surface non-leakage coating on the outer surface of the preserved egg; an electric fan is arranged at one side of the box body, and is used for quickly airing the coated preserved egg, thereby improving the egg coating efficiency; spiral stirring ribs are used for separating and stirring plant ash and sludge in the box body 1, thereby improving the egg coating quality.

The invention provides an epinephelus fuscoguttatus and epinephelus tukula hybrid artificial reproduction method. The method includes: selecting healthy epinephelus fuscoguttatus at the age of 5 or older as a female parent; selecting healthy epinephelus tukula at the age of 7 or older as a male parent; subjecting to breeding strengthening respectively, and carrying out artificial fertilization andhatching to obtain fry. By adoption of the artificial reproduction method, egg quality of epinephelus fuscoguttatus and semen quality of epinephelus tukula are optimized, the fertilization rate and the hatching rate are increased remarkably, and a great foundation is laid for acquisition of high-quality hybrid epinephelus.

The present invention discloses a laying hen feed capable of increasing the laying rate. The laying hen feed consists of the following components in parts by weight: corn, soybean meal, rapeseed meal, bran, bone powder, pine needle powder, traditional Chinese medicine formulation, the mixture of cloves and rhizoma kaempferiae, selenium yeast, calcium hydrogen phosphate, choline chloride, compound vitamins, compound amino acids, and common salt. The feed of the present invention can enhance hens' appetite and meanwhile improve the gastrointestinal environment of hens, promoting the hens' digestion and absorption of nutrient elements in the feed, increasing the laying rate and reducing the using amount of feed. According to the experimental statistics, by using the feed of the present invention, the average laying rate of hens is over 5% higher than that of the hens raised with simple feeds, and the egg quality is also better.

The invention discloses a breeding method for native chickens, which belongs to the technical field of chicken breeding. The feeding method includes the following steps: adjusting feeding temperature, humidity, illumination and feeding modes of the brooding period, the breeding period and the laying period. The breeding method for native chickens has the following beneficial effects: the method is simple and convenient; through reasonable raw material, the growth speed of the chicken is fast, the phenomenon of egg leakage is reduced; the egg laying rate is high; the quality of eggs is high; the breeding efficiency of the chicken is greatly improved; and the method is worthy of promotion and application.

The invention discloses a laying hen feed capable of enabling laying hens to produce high-calcium high-zinc nutritive eggs. The laying hen feed comprises the following components in parts by weight: 30-50 parts of maize flour, 20-30 parts of bran powder, 20-30 parts of bean cake powder, 15-20 parts of a nutrition additive, 10-15 parts of fine rice bran, 5-8 parts of bone meal, 2-5 parts of table salt, 1-2 parts of calcium dihydrogen phosphate, 0.5-1 part of vegetable oil and 0.5-1 part of composite vitamins. The invention further discloses a preparation method of the laying hen feed. The preparation method comprises the following steps of selecting materials, performing crushing, preparing mixed liquor, performing mixing and stirring, performing compression for shaping through a granulator, performing cooling and the like. The laying hen feed prepared by the preparation method disclosed by the invention is supplied to the laying hens to eat, the laying rate and the laying period of thelaying hens are not influenced, and the content of calcium elements and the content of zinc elements in eggs can also be increased; and the preparation method of the laying hen feed is simple, and large-scale production is easy to realize.

The invention discloses a fragrant and attractant layer feed, which is prepared from the following raw materials in parts by weight: 60-70 parts of corn flour, 40-50 parts of wheat flour, 6-12 parts of black fungus, 12-16 parts of shiitake fungus, 20-25 parts of green radish, 20-25 parts of glutinous rice paste, 20-25 parts of bean curd dregs, 6-11 parts of crucian flesh, 4-7 parts of rape pollen, 12-14 parts of bovine bone marrow, 4-5 parts of vinegar, 5-7 parts of vine tea, 20-24 parts of autumn grapevine stems, 1-2 parts of coltsfoot flowers, 1-2 parts of white peony root, 1-2 parts of rose, 20-25 parts of tenebrio molitor dung, 5-6 parts of white sugar, 3-4 parts of saccharomycetes, 3-4 parts of an attractant and proper amount of water. For the fragrant and attractant layer feed provided by the invention, the corn flour and wheat flour are used as principal raw materials; with the added tenebrio molitor dung, the utilization rate of the feed is improved remarkably, digestion of layers is promoted, and the cost of the feed is reduced; the added attractant has the effects of enhancing immunity, nourishing stomach, promoting digestion and so on; the prepared feed has strong fragrance and good palatability, and can promote feeding of layers, increase egg production and improve quality of eggs; the eggs have high edible value; and the culture benefit is improved.

The invention discloses a composite probiotic agent for improving egg quality of laying hens, a preparation method and application. The composite probiotic agent comprises composite probiotics and a carrier, wherein the compound probiotics comprise 4.0-4.5*10<10>CFU / mL of bacillus velezensis, 4.0-5.0*10<10>CFU / mL of lactobacillus plantarum, 1.0-1.5*10<8>CFU / mL of bacteroides faecalis and 1.0-1.5*10<8>CFU / mL of pseudomonas alcaligenes; and the carrier comprises rice chaff powder and starch. Compared with the prior art, the compound probiotic agent disclosed by the invention not only can improvethe intestinal function of the laying hens, but also can improve the color and taste of eggs and improve the egg quality of the laying hens, especially can effectively increase the proportion of unsaturated fatty acid omega-3 / omega-6 in the eggs and improve the nutritional value of the eggs; and therefore, the composite probiotic agent is suitable for being used as feed additives for large-scalebreeding.

The invention discloses a traditional Chinese medicine compound feed for increasing the egg laying rate of laying hens and a processing method of the traditional Chinese medicine compound feed, and belongs to the technical field of chicken feeds. The traditional Chinese medicine compound feed is prepared from the following components in parts by weight: 40-60 parts of buckwheat powder, 3-5 parts of millet, 4-6 parts of peanut oil cake residues, 20-30 parts of corn flour, 3-5 parts of wheat bran, 3.5-6 parts of wheat protein powder, 3-5 parts of fish bone meal, 3.5-4 parts of table salt, 2-3 parts of complex vitamins, 2-3 parts of composite amino acids and 10-15 parts of a traditional Chinese medicine premix, wherein the premix is prepared from raw malt, spina date seeds, radix stellariae, cortex phellodendri, rhizoma polygonati, rhizoma polygonati odorati, haws and Chinese pulsatilla roots according to the compounding ratio of the raw malt to the spina date seeds, to the radix stellariae, to the cortex phellodendri, to the rhizoma polygonati, to the rhizoma polygonati odorati, to the haws and to the Chinese pulsatilla roots being (1-3) to (0.5-0.8) to 1 to 2.2 to 1.2 to 2.1 to 0.5 to 0.6. According to the feed, the body weight of the laying hens can be increased, the death rate can be reduced, the egg yield can be increased, the egg laying rate is approximately increased by 8-12%, and the quality of laid eggs is good.

The invention provides a laying-hen feed additive. The laying-hen feed additive is prepared from, by weight, 8-13 parts of roots of kirilow rhodiola, 8-13 parts of longan pulp, 8-13 parts of roasted rhizoma atractylodis macrocephalae, 8-13 parts of coix seeds, 5-10 parts of fructus aurantii immaturus, 5-10 parts of ginger, 5-10 parts of radix paeoniae alba, 5-10 parts of pepper, 3-8 parts of Chinese yams, 0.3-3 parts of semen impatientis and 0.3-3 parts of bitter apricot seeds. The laying-hen feed additive can enhance resistance of laying hens to various diseases, increase the laying rate of the laying hens and improve the egg laying quality.

The invention discloses a mixed feed for laying hen. The feed is prepared from the following raw materials by weight: 40-50 parts of rapeseed meal, 70-80 parts of wheat bran, 5-8 parts of squid viscera powder, 3-5 parts of fairy shrimp powder, 9-13 parts of fish cake, 2-3 parts of bamboo salt, 7-12 parts of chestnut kernels, 3-5 parts of cocoa beans, 10-15 parts of trollflower, 20-24 parts of wild Fagopyrum esculentum, 5-10 parts of plum, 4-6 parts of corn gluten meal, 4-6 parts of salad dressing, 5-8 parts of bloodworm powder, 1-2 parts of marigold, 1-2 parts of ephedra, 2-3 parts of borneol, 20-25 parts of yellow meal worm dung, 5-6 parts of sugar, 3-4 parts of microzyme, 3-4 parts of phagostimulant and a proepr amount of water. The mixed feed for laying hens provided by the invention uses rapeseed meal and wheat bran as the main raw materials; the added yellow meal worm dung can significantly improve feed utilization, promote digestion of laying hens and reduce the cost of feed; the added phagostimulant has the effects of enhancing immunity, strengthening the stomach, and promoting digestion; and the prepared feed can enhance breeding performance and daily laying rate of the laying hen, prolong laying period, effectively improve growth performance of the laying hen and increase culture benefits.

The invention discloses a special feed for laying hen, which is prepared from of the following parts by weight of raw materials: 50-60 parts of, corn flour 40-50 parts of bean dregs, 30-35 parts of rapeseed, 20-25 parts of cottonseed meal, 5-6 parts of linseed meal, 1-2 parts of chili oil, 1-2 parts of cumin, 20-25 parts ofChinese rice wine, 5-10 parts of chicken giblets, 6-12 parts of balsampear leaf, 10-15 parts of bell pepper, 30-35 parts of black chicken soup, 14-19 parts of Betaphycus gelatinae, 6-10 parts of candied date, 1-2 parts of persimmon leaves, 1-2 parts of fructus viticis, 1-2 parts of camellia, 20-25 parts of yellow meal worm dung, 3-4 parts of yeast, 5-6 parts of sugar, 3-4 parts of phagostimulant and a proper amount of water. The special feed laying hen uses corn flour, bean dregs, rapeseed and cottonseed meal as the main raw materials; the added yellow meal worm dung can significantly improve the feed utilization, promote digestion of hens and reduce the cost of feed; and the added phagostimulant has the effects of enhancing immunity, strengthening the stomach and promoting digestion. The prepared feed improves the immunity of laying hens and feed egg ratio, ensures the nutritional needs of laying hens, increases egg production and improves the breeding benefits.

The invention discloses a laying hen formulation feed and a preparation method thereof. The laying hen formulation feed is prepared from the following raw materials in parts by weight: 70-80 parts of fine corn flour, 40-50 parts of barley flour, 15-20 parts of dried potato powder, 10-14 parts of sheep manure, 3-5 parts of radish seeds, 5-9 parts of onion sauce, 2-3 parts of dried porcine soluble, 5-10 parts of tofu, 5-7 parts of preserved meat, 8-13 parts of Pholiota namek, 5-9 parts of chrysanthemum petals, 20-25 parts of solanum tuberdsm stems, 20-25 parts of affine cudweed, 5-10 parts of Chinese toon sprouts, 1-2 parts of hypericum japonicum, 2-3 parts of adenophora tetraphylla, 1-2 parts of acalypha australis, 20-25 parts of yellow meal worm dejecta, 5-7 parts of syrup, 3-4 parts of saccharomycetes, 3-4 parts of a phagostimulant and a proper amount of water; according to the laying hen formulation feed, the fine corn flour and the barley flour are adopted as main raw materials, the added yellow meal worm dejecta can obviously improve the utilization rate of the feed, the digestion of laying hens is promoted, the cost of the feed is lowered, the added phagostimulant has the functions of boosting immunity, invigorating stomach, promoting digestion and the like, the raw materials for preparing the feed are rich in type, various nutrient requirements of laying hens at a high egg yield period can be met, the daily laying rate is obviously improved, and the culture benefit is improved.

The invention discloses a fattening feed for producing a laying duck, and relates to the technical field of duck breeding. The fattening feed is characterized by comprising the following components in percentage by weight: 40% of corn, 20% of rice bran, 26% of crude flour, 5.5% of soybeans, 3% of fish meal, 1% of bone meal, 2% of shell powder, 0.5% of table salt and 3% of an additive, wherein the additive comprises the following raw materials in percentage by weight: 1% of oleum morrhuae, 0.19% of L-threonine, 0.20% of DL-methionine, 0.5% of biological fattening powder, 0.5% of a coarse fodder degradation agent and 0.61% of vitamin. The fattening feed is comprehensive in nutrition, healthy in growth, high in egg-laying quality, and high in egg-laying rate; the laying of eggs is promoted; and the eggs are thick in shell and not easy to break.

The invention discloses chicken feed and belongs to the field of poultry feed. The chicken feed comprises, by weight percent, 60%-65% of corn, 12%-15% of wheat bran, 12%-15% of rice bran, 5%-7% of soybean meal, 2%-3% of bone meal, 2%-3% of fish meal, and 0.1%-0.3% of salt. The bone meal is made by soaking clamshell in 0.1% potassium permanganate solution for 10 minutes, cleaning and crushing. The chicken feed is made from the low-cost wheat bran and rice bran instead of part of the high-cost soybean meal, so that the production cost of the chicken feed is reduced. Calcium and protein nutrition of the chicken is increased by adding the bone meal and the fish meal.

The invention relates to the breeding field of chickens, and discloses a method for improving the egg yield of a gamecock. The method comprises the following steps: (1) after the gamecock enters an egg laying week, enabling the gamecock to lay eggs in a stable favorable environment by regulating a feeding environment and maintaining the gamecock, thereby greatly helping broodiness of a fertilized egg; (2) using the easily digestible vegetable protein to stabilize the egg yield of the gamecock whose laying performance is greatly affected by the content and matching of the protein in the daily ration when the laying hen is 25-28 week old; (3) adding a small quantity of animal protein to promote the even formation of an egg shell from a large quantity of calcium carbonate ingredient and a small quantity of protein in the egg shell because the laying performance is more affected by the content and matching of the protein in the daily ration when the laying hen is 29-35 week old; and (4) when the laying hen is more than 36 week old, regulating the content of the protein as well as the content of vitamins to improve the immune performance of the hen.

The invention discloses a nutritional feed for laying hen. The feed is prepared from the following raw materials by weight: 30-35 parts of oil bran, 30-40 parts of rapeseed, 60-70 parts of soybean meal, 20-25 parts of barley flour, 8-12 parts of beet root, 7-12 parts of daylily, 3-5 parts of fistular onion fibrous root, 20-25 parts of cabbage leaves, 12-17 parts of fresh sunflower leaves, 10-15 parts of carrot juice, 4-6 parts of crowndaisy chrysanthemum lyophilized powder, 12-16 parts of spinach lyophilized powder, 1-2 parts of Gynostemma, 2-3 parts of lignum millettiae, 1-2 parts of cassia twig, 20-25 parts of Tenebrio molitor dung, 3-4 parts of microzyme, 5-6 parts of sugar, 3-4 parts of phagostimulant and a proper amount of water. The nutritional feed for laying hens provided by the invention uses oil bran, rapeseed meal, soybean meal and highland barley as the main raw materials; the added Tenebrio molitor dung can significantly improve feed utilization, promote digestion of laying hens and reduce the cost of feed; the added phagostimulant has the effects of enhancing immunity, strengthening the stomach, and promoting digestion; and the prepared feed has reasonable formula and contains abundant nutrition, and can enhance the immunity of laying hens and increase culture benefits.

The present invention discloses a high-performance feed for laying hen. The feed is prepared from the following raw materials by weight: 110-120 parts of corn flour, 5-9 parts of spirulina powder, 8-10 parts of shell powder, 13-19 parts of bone meal, 20-25 parts of bagasse, 6-10 parts of cattle bone powder, 4-7 parts of Baixue tea, 4-9 parts of hawthorn leaves, 20-25 parts of sweet potato vine, 4-8 parts of persimmon leaves, 3-6 parts of Javan waterdropwort flower, 2-4 parts of cocoon, 12-17 parts of lobster shell, 1-2 parts of Angelica decursiva, 1-2 parts of stalactites, 1-2 parts of luffa stem, 20-25 parts of yellow meal worm dung, 5-6 parts of white sugar, 3-4 parts of brown sugar, 3-4 parts of microzyme, 3-4 parts of phagostimulan and a proper amount of water. The high-performance feed for laying hen provided by the invention uses corn flour as the main raw material; the added yellow meal worm dung can significantly improve feed utilization, promote digestion of hens and reduce the cost of feed; the added phagostimulant has the effects of enhancing immunity, strengthening the stomach, and promoting digestion; and the prepared feed helps digestion of laying hen, accelerates growth, enhances the immunity, improves the health status, optimizes the egg quality and increases culture benefits.