185results about How to "Improve egg production performance" patented technology

The invention discloses a method for breeding blue-lower-leg spotted-brown-feather laying hens with high egg yields. The method comprises the following steps of: artificially inseminating and mating a large quantity of Huainan spotted-brown cocks serving as male parents and Loman laying hens serving as female parents, collecting hatching eggs and hatching an F1 generation; identifying cocks and hens according to the colors of feathers and lower legs, eliminating white-feather yellow-lower-leg chicken which are cocks, reserving spotted-brown-feather blue-lower-leg chicken which are hens for serving as breeding hens, and performing back crossing by taking Huainan spotted-brown cocks as male parents to produce an F2 spotted-brown-feather generation; crossly mating and fixing the F2 generation and performing family breeding to produce an F3 generation; and performing gradual pure breeding on the F3 generation and later generations and obtaining the blue-lower-leg spotted-brown-feather laying hens with high egg yields according to egg yield, protein, lower leg color, feather color and bodily form, wherein the feathers are spotted-brown feathers; and the bodily form refers to delicate and pretty bodily form, blue lower leg and blue beak. According to the method, an appropriate high-egg-yield gene is introduced into a local chicken breed, and the proteins and macroscopic features of the local chicken breed are kept simultaneously.

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 relates to feed, in particular to green-grape livestock and poultry feed suitable for pigs, chicken and so on, which is prepared from grape pip powder or grape pip meal or ripening grape pin powder, corn, soybean meal, DDGS, corn fiber feed, bone powder, calcium monohydrogen phosphate, limestone, and salt according to certain ratio. The feed has the characteristics of saving corn, improving the performance of the livestock and poultry, and improving the economic benefit. The feed experiment indicates that 4 to 10 percent of grape pin is added to pigwash for a female pig without harmful effect on the female pig reproduction, the weight for baby pigs which are ablactated is increased, the weight of fatting pigs is increased, and furs for the fed pigs are bright, the egg-lay performance of laying hen can be improved, and the crude fiber content of the feed can be adjusted.

The invention provides an auto-sexing breeding method of early-maturing excellent type yellow-shank partridge chickens. The method comprises the steps that a Qingyuan partridge chicken rapid-feathering line which grows fast in early stage, a Qingyuan partridge chicken slow-feathering line which has prominent reproductive performance and a Guangxi partridge chicken rapid-feathering line are adopted, the grandparent generation selects cocks and hens of the Qingyuan partridge chicken rapid-feathering line, the paternal line selects cocks of the Qingyuan partridge chicken slow-feathering line, and the maternal line selects hens of the Guangxi partridge chicken rapid-feathering line; the parent generation selects cocks of the Qingyuan partridge chicken slow-feathering line, and the female parent selects yellow-shank slow-feathering hens produced by hybridizing the cocks of the Qingyuan partridge chicken slow-feathering line with the hens of the Guangxi partridge chicken rapid-feathering line; for slow-type early-maturing excellent yellow-shank partridge chickens, the cocks are slow-feathering cocks, the hens are rapid-feathering hens, and autosexing is achieved according to the feathering speed. Compared with traditional Qingyuan partridge chickens, commercial generation autosexing according to the feathering speed is achieved, the market age of the hens is 10 days ahead of schedule, the egg laying performance of the parental generation can be improved by 15% or above, the feed conversion rate is decreased by 0.2, and the breeding profit is increased.

The invention relates to special poultry raising technique, in particular to the raising technique of Taipingwang pigeon with high egg yield. The invention is characterized in that first, maternal pigeon is well selected for regeneration of the offspring Taipingwang pigeon; second, two maternal pigeons are arranged in one pigeon house and a couple of the male pigeon and the female pigeon are placed between every ten maternal pigeon houses; third, the eggs are collected in time and after the maternal pigeon lays a second egg, the eggs are taken with the laying box; the laying box is placed back six days later for the second egg laying; fourth, the feedstuff is prepared scientifically and nutrition elements such as protein, mineral matters and vitamins are added to ordinary feedstuffs, pea proportion is mainly increased and also various vitamins and microelements are added. By establishing the maternal pigeon groups by the method of two maternal pigeons in one pigeon house, the invention can eliminate the parental male pigeon and improve the egg yield capacity of each pair of maternal pigeons to more than 8 eggs per month, which increases by 77.78 percent. The feeding cost is reduced by 35 percent, for the parental male pigeon is eliminated. By adopting the scientific raising method, the invention solves the bottleneck problem that two maternal pigeons in one house can not lay eggs continuously for a long time.

A method for improving ginkgo leaf feeding palatability and increasing product bioactivity comprises the following steps: well mixing solid fermentation raw materials composed of ginkgo leaves, edible mushroom waste mushroom dregs, soybean meal and the like with a microbial nutrient salt solution, performing disinfection to obtain a solid fermentation base material; with microbe which produce beta-glucosidase as strains, performing expanding culture of the strains, inoculating the strains into the prepared solid fermentation base material for fermentation; after fermentation, drying and pulverizing the material; adding a scenting agent, well mixing to obtain the product. Application tests show that the feed additive of the invention has significant effect of growth promotion, disease prevention and disease resistance on livestock and poultry. The feed additive can significantly promote the growth of piglets and suckling pigs, has obvious effect on the control of diarrhoea diseases, can well improve the laying performance of laying hens and reduce cholesterol content of eggs, and has good prevention and adjuvant therapy effect on dairy cow mastitis.

The invention discloses a wheat daily ration feed for promoting yolk pigmentation of a laying hen. The feed comprises the following materials in parts by weight of: 50-65 parts of wheat, 8-15 parts of bean pulp, 3-9 parts of chrysanthemum meal, 1-5 parts of corn gluten meal, 1-3 parts of bentonite, 5-10 parts of corn DDGS, 1-3 parts of corn oil, 1-6 parts of cottonseed meal, 5-10 parts of mountain flour, 0.5-1.5 parts of calcium hydrophosphate, 0.2-0.4 part of salt, 0.05-0.1 part of probiotics, 0.3-0.8 part of synthetic amino acid, 0.02-0.05 part of glycine betaine, 0.05-0.1 part of choline chloride, 0.04-0.08 part of a multi-enzyme preparation, 0.6-1 part of a compound premix, and 0.01-0.03 part of 50% of vitamin E. The chrysanthemum meal and combined nutrition of the chrysanthemum meal are added to the feed at the egg production period for improving the health state of the intestinal tract of the laying hen; the yolk pigmentation effect is obviously improved; the egg feed cost is reduced; and the egg producing performance of the laying hen is improved.

The invention relates to the technical field of poultry feed additives, and particularly to a chicken feed additive. The additive is characterized in that attapulgite powder subjected to activation processing, corn flour and vitamin C powder are used as raw materials; by weight, 900 to 950 parts of the attapulgite powder, 50 to 90 parts of the corn flour and 2 to 10 parts of the vitamin C powder are mixed evenly to obtain a mixed material; the mixed material and purified water are mixed in a proportion of 90:10 (the mixed material to the purified water), the mixed material is put in a container, and the purified water is poured into the container with stirring; and after being evenly mixed, the mixture is kneaded into a block and then produced into the phi 1 to 1.5 mm pellet chicken feed additive with a pelletizer. The additive can improve egg laying capability of hens and chicken meat quality, and promote production and development of poultry, so that the poultry can produce nutritious eggs rich in iodine, selenium and zinc, which satisfies the needs of those with special needs and those favoring nutrition. For usage, users just need to add the additive into chicken feed and mix them evenly. The amount of the additive added is 3 to 5% of the total weight of the chicken feed.

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 provides a molecular genetic marker related with an egg laying performance of hens and application. An FSH (Follicle-Stimulating Hormone)-beta gene is used as the molecular genetic marker related with the egg laying performance of the hens; the molecular genetic marker is characterized in that the nucleotide sequence of the molecular genetic marker is shown as SEQ ID No. 1 or the sequence at least comprises a specific fragment of a 259 T>G mutated basic group. The egg laying performance of the hens are selected according to gene types and the molecular genetic marker has the characteristics of high accuracy, simplicity in operation and low cost (the selection cost is about 0.3 yuan per hen) and the like; automatic detection can be carried out; secondly, a molecular marking method provided by the invention can be used for selecting properties of the egg laying performance of the hens at an early life stage (within one week after chickens are hatched), the generation interval can be shortened, the selection intensity is improved and high-quality breeding hen parents can be selected relatively early, so that a breeding progress of the hens is accelerated; compared with a conventional determination selection method for the egg laying performance of the hens, the selection time of each generation can be shortened by 16 months.

The invention belongs to the technical field of feed composition and particularly relates to feed used for 72-100-week-old laying hens and capable of improving the immune function and a preparation method of the feed. The feed for the laying hens is prepared from raw materials in parts by weight as follows: 53-60 parts of grains, 5-20 parts of soybean meal, 1-5 parts of corn gluten meal, 3-5 parts of sesame seed meal, 5-10 parts of a corn byproduct, 3-10 parts of fruit and vegetable dregs, 0.35-1.2 parts of amino acid, 0.02-0.06 parts of beta-carotene, 0.05-0.1 parts of lutein, 0.05-0.1 parts of a complex enzyme preparation, 0.05-0.1 parts of probiotics, 0.01-0.07 parts of zinc proteinate and 0.01-0.03 parts of phytase. The feed can remarkably improve the immune function and the disease resistance of the laying hens in the later period of egg laying, the death rate of the laying hens in the later period is reduced by 9.3%, the number of eggs laid by each hen is increased by more than 15 in the egg laying period, people can earn more 6.6 Yuan, and the economic benefit of a chicken yard is remarkably improved.

The invention relates to poultry feed and particularly relates to whole wheat type anti-stress egg-laying duck feed. The feed comprises a major material part and a premixture part and specifically comprises the following components in parts by weight: 450-520 parts of wheat, 70-110 parts of soybean meal, 100-180 parts of American DDGS (distillers dried grains with solubles), 0-50 parts of domestic DDGS, 40-80 parts of rapeseed meal, 0-50 parts of beer lees, 80-90 parts of stone dust, 5-7 parts of calcium hydrophosphate and 12 parts of premixture. The whole wheat type anti-stress egg-laying duck feed disclosed by the invention is proved to have the following advantages: 1) the raising cost of egg-laying ducks can be greatly reduced, and the economic benefits of cultivation of the egg-laying ducks can be improved; 2) corn is not used in the feed, but by adding an enzyme preparation and a microbial preparation and playing a balancing role through amino acids, the egg-laying performance can be maintained and even improved, and the problem of shortage of corn sources can be alleviated to a certain extent; and 3) vitamin E, vitamin C, gamma-aminobutyric acid, lycine and other substances, which are used in the feed, can effectively improve the stress capability of the egg-laying ducks, be conductive to stability in egg laying of the egg-laying ducks and improve the egg-laying performance of the egg-laying ducks.

The invention relates to a method for breeding bees using roxburgh rose as flower source comprising following steps: (1) selecting breeding fields; (2) preparing beehives; (3) arranging the beehives; (4) breeding bees (5) fine selecting bee colonies; (6) cleaning the honey; (7) promoting collecting honey. According to the method for breeding bees using roxburgh rose as flower source, Apis cerana is selected as seedling bees, through artificial cultivation, queen bees are grown up; the bees are bred with special bee forages which can increase the vitality of worker bees, the egg production capacity of queen bees and disease resistance of bees so that the bees can grow rapidly, fecundity is high, the bee colonies are enhanced and honey production is increased. More honey can be collected during the blooming period of roxburgh rose, wherein the honey has a variety of medicinal and health benefits, can enrich the variety and quality of honey to improve the economic benefits of beekeeping.

The invention discloses a feed additive for improving egg laying capacity of a laying hen and a preparation method thereof. The feed additive comprises the following raw herbal materials: herba epimedii, morinda officinalis, leonurus, glossy privet fruit, monthly rose, fructus psoraleae, codonopsis pilosula, rehmanniae vaporata, angelica sinensis, Chinese-date, herba cistanche, semen cuscutae, medlar, bighead atractylodes rhizome, astragalus membranaceus, folium artemisiae argyi and liquorice. The feed additive has the beneficial effects that the egg laying capacity of the lying hen can be effectively improved by the feed additive disclosed by the invention, and the feed additive also has the advantages of being pure nature, free of tolerance, small in toxic and side effects, and small in damage to a human body.

The invention relates to the technical field of poultry breeding, in particular to an egg pigeon high-yield breeding technology. A double-female pairing high-yield breeding method for egg pigeons comprises the following steps: 1, selecting hen pigeons: breeding baby pigeons in a multiline cross system for 26-30 days, identifying hen pigeons and male pigeons with an early prenatal sex determination technology, employing the hen pigeons to culture young egg pigeons; and 2, forcing to pair: forcing to perform double-female pairing when the selected young egg pigeons are 4-5 months old. With the technical scheme, high-yield effect is obtained by breeding egg pigeons in various manners such as double-female pairing, and the egg yield of each pair of egg pigeons is increased to more than 7 eggs per month in the existing double-female mode from 3.5 eggs per month in the original traditional breeding mode, so that the production performance of egg pigeons is obviously improved.

The invention relates to a feed, in particular to a preparation method of a powdered oil feed. The preparation method mainly solves the technical problems that the powdered oil feed in the prior art is easy to melt, oxided and deteriorated and is difficult to preserve, a carrier of the traditional oil powder is a non-nutritive substance such as furfur, corn (cob) flour, modified starch, powder fiber and the like, only fat is provided, other nutritional ingredients are low, and the powdered oil feed can only serve as energy feed on an aspect of animal demand. By a special method, the carrier in the oil powder is replaced to animal and vegetable protein from the non-nutritive substance. The method comprises the following steps of: adding and mixing animal fat and vegetable fat according to proportion; adding an emulsifier into a mixture according to proportion, and performing high-speed emulsification; homogenizing the emulsified mixture by a homogenizing machine; and adding animal protein, vegetable protein, vitamin, mineral substances and trace elements into the homogenized mixture according to proportion, mixing in a solid-liquid stirring and mixing machine; and packaging.

Belonging to the field of agricultural poultry culture, the invention discloses an egg-laying breeding pigeon feeding forage. The forage comprises the following components by weight: 40-45 parts of corn, 20-25 parts of pea, 10-15 parts of wheat, 10-15 parts of sorghum, 3-7 parts of hemp seed, 3-7 parts of Zanthoxylum seed, and 3-10 parts of Trchosanthes kiriowii Maxim kernel. The forage provided by the invention has the advantages of easily available raw materials involved in the formula, low cost, easy making, and significant application effect in egg-laying breeding pigeon culture, can greatly improve the culture benefit, and is suitable for popularization and application in egg-laying breeding pigeon culture.

The invention relates to the technical field of poultry forages, and especially relates to a laying hen forage additive. The forage additive comprises the following compositions in per 1 Kg of a basic forage: 200-360 g of beneficial bacteria, 100-200 g of organic selenium, 20-30 g of cellulose, 10-30 g of phytase, 20-40 g of amylase, 20-40 g of oligosaccharide, 10-20 g of growth-promoting factors, 10-30 g of lactic acid, 10-20 g of malic acid, 6-10 g of sorbic acid and 10-20 g of radix astragali extract product. By employing the technical scheme, the beneficial effects comprise that the laying hen forage additive is capable of improving egg laying capability of laying hens, improving immunity of laying hens, enhancing stability of laying hens, reducing fat content in eggs, prolonging the storage time of eggs, avoiding usage of antibiotic and other harmful chemical substances and avoiding residual of harmful substances in eggs, and body immunity is enhanced after a person eats the eggs for a long time.

The invention relates to a health-caring traditional Chinese medicine composition capable of enhancing productivity of laying hens. The traditional Chinese medicine composition includes following components, by weight, 15-25 parts of medicated leaven, 8-10 parts of angelica sinensis, 20-25 parts of folium artemisiae argyi, 5-10 parts of codonopsis pilosula, 8-12 parts of atractylodes macrocephala koidz, 1-8 parts of hawthorn, 1-6 parts of malt, 1-8 parts of manyprickle acanthopanax roots, 5-12 parts of curculigo orchioides, 1-8 parts of polygonum multiflorum and 1-6 parts of pine needles. The traditional Chinese medicine composition has effects of warming uterus and activating blood, tonifying kidney and boosting qi, releasing the exterior and promoting appetite, and enhancing anti-disease capabitiliy. The traditional Chinese medicine composition not only contains abundant amino acids, vitamins, micro elements and unknown growth regulation factors, which can directly promote digestion and utilization of nutritional substances, but also contains bio-active substances, such as alkaloid, polysaccharides, tannins, organic acids and the like. The traditional Chinese medicine composition, through integrated adjustment in body for improving a reproductive endocrinology system, can repair lesion in reproductive organs quickly, can promote developments of ovary and fallopian tube, can accelerate maturity of follicles, is beneficial to egg laying and can ensure and improve the productivity of the laying hens.

The invention relates to a feed, in particular to a powdered oil feed with whey powder and a preparation method thereof, which mainly solve the technical problems that in the prior art, protein, whey powder and oil all in the conventional feed are simply mixed and stirred, so that oil and protein digestion utilization of animals is low, the protein, the whey powder and the oil carry bacterial viruses easily and insanitation is caused, the storage time is short, the application is poor and the like. According to the preparation method, whey powder, plant protein, animal protein and plant oil are mixed in proportion, added into water and heated, then emulsifier is added, and the mixture is fully stirred and then gets into an emulsifying machine for treatment, the homogenization treatment is performed to the product subjected to emulsification through a homogenizer, spray drying is performed to the product through the variable frequency drying technology and via a spray drying tower, and the dried mixture is subjected to sieving, metering and packing, so that a finished product is obtained.

The invention relates to a breeding method for highly-disease-resistant egg-laying pigeons. Two strains such as wild wood pigeons and high-laying-rate Thaxon pigeons are selected as progenitors, advantages of genes of the two strains are utilized, and the highly-disease-resistant egg-laying pigeons are fixedly bred by means of multiple crossbreeding and crossing. The egg-laying pigeons bred by the method are high in laying ability and inherit the characteristic of high disease resistance of the wild pigeons, so that production quality is lowered, and quality of pigeon eggs is improved greatly.

The invention relates to a low-cost matched breeding method for white feather broilers. According to the method, recessive white Plymouth rocks serve as a specialized strain female parent paternal line, high-yield laying hens serve as a specialized strain female parent maternal line, the recessive white Plymouth rocks and the high-yield laying hens are hybridized to generate female parents, and aCornish variety serves as a male parent to be hybridized with the female parents to generate a commercial generation of a specialized strain. Leukemia and pullorum disease full-group general test is preferably carried out on specialized strain progenitor chicken flocks, regular spot test is carried out on the parents, and leukemia individuals and pullorum disease positive individuals are eliminated. Pure line breeding is preferably carried out on the specialized strain paternal line, the female parent paternal line and the female parent maternal line. The breeding cost of the commercial generation is reduced, the growth speed of the commercial generation can be ensured, and the production cost is reduced.

The invention discloses Xin Yang black laying hen egg producing period feed and a breeding method. According to a physiological characteristic of a Xin Yang black hen at each stage, feed for three growth stages is set: egg producing period feed for 16 to 30 weeks old, egg producing period feed for 31 to 55 weeks old, and egg producing period feed for 56 to 72 weeks old; different nutritive indexesare required for each growth stage. According to the feed provided by the invention, the components are matched, and when the feed is used as the Xin Yang black laying hen egg producing period feed,an egg laying performance of the Xin Yang black hen can be improved, and the breeding cost is reduced.

The native chicken marking and mating technique is belongs to the field of domestic bird genetic technique. The Beijing oil chichen has golden genetic genes, phoenix head, hair feet and five toes. Take it as the paternal to cross with the high layer hen which has silver genes, and the main strain is the import high-yield mating female line hen(such as roman egg chicken, halen egg chicken and yisa egg chicken). The hens of the filial generation are having golden feathers, while the cocks are having efflorescence feathers, so the day-old chick's sex can be distinguished by the feather. The eggs produced by the hens of filial generation, basically contains the character of the crossing imitation eggs. It improves the egg-laying property substantially, reduces the cost of production, and has great economic benefit and social benefit.

The invention belongs to the poultry breeding technical field, and relates to a high production performance Rizhao ma chicken new strain cultivation method comprising the following steps: 1, using rizhao ma chicken having ma feather and green shank features to serve as male parent, using foreign broiler chicken as female parent, hybridizing to produce F1 generation, and reserving the hens having ma feather and green shank features in the F1 generation; 2, using the male parent in the step1 to serve as the male parent, hybridizing the male parent with the hens in the F1 generation so as to produce a F2 generation, selecting individuals having the ma feather and green shank features and same feather and appearance with the male parent in the step1, and keeping the selected chickens to breed and manage; 3, crossing and reproducing the male and female individuals obtained in the step2, and using a family and individual selection method to improve growing speed and egg laying capacity; 4, after breeding with beneficial characters for 4 or above 4 generations, the rizhao ma chicken new strain with foreign broiler chicken blood can be produced. The method can obviously improve early growing speed of rizhao ma chicken in our nation, can reduce feed conversion ratio, thus improving breeding performance in certain level.

The invention belongs to the technical field of poultry feed, and particularly relates to feed for laying quails in a brooding period and a production method of the feed. The feed comprises the following raw materials: corn, broken rice, extruded corn, extruded soybean meal, fermented soybean meal, imported fish meal, soy protein concentrate, soybean oil, whey powder, glucose, monocalcium phosphate, rock flour, decavitamin, compound trace elements, DL-methionine, lysine, threonine, compound enzyme, functional additives, salt, 60% choline, an emulsifier, an antioxidant and a mould inhibitor. The raw materials are proportionally subjected to steps including smashing, primary mixing, primary conditioning, extruding, secondary mixing, emulsifying, secondary conditioning, granulating, breaking and cooling packaging to produce the feed. The feed for the laying quails in the brooding period meets requirements for growth and development of young quails, improves the anti-stress capacity of the quails, promotes growth, regulates intestinal functions and guarantees health of the quails, and the digestibility of the feed is improved by means of the highly curing processing technology.

The invention provides a special compound premix for egg-laying hens producing pink-shell eggs at the egg-laying period. The special compound premix comprises main components of complex vitamins, compound trace elements, amino acids, calcium hydrogen phosphate, stone powder, a compound enzyme preparation, plant extracts, a microecological preparation, an anti-stress agent and the like. The premixprovided by the invention is designed according to the physiological characteristics and nutrient requirements of the egg-laying hens producing pink-shell eggs, the egg laying peak of the egg-laying hens producing pink-shell eggs can be notably prolonged, the egg quality can be improved, the stress resistance of the egg-laying hens producing pink-shell eggs can be improved, the death rate and therejection rate of the egg-laying hens producing pink-shell eggs are reduced, and the comprehensive breeding benefits of the egg-laying hens producing pink-shell eggs are increased.

The invention discloses a method for reducing the wild nature of cage raising breeding local chicken by a non-breeding technology. By aiming at the current condition of low breeding value of the breeding local chicken due to fighting nature, food fighting nature, poultry cannibalism, cage raising stiffness and cage raising thought-impeding stress caused by the wild nature of local chicken, technical measures such as ideal chicken house temperature, humidity, illumination intensity, illumination time and lamp light color are taken for chicken groups in the stages of brooding, raising and egg laying; the wild nature generating rate of the breeding local chicken is reduced. The defect that the breeding local chicken has great wild nature and is difficult to raise is overcome; the egg laying performance and the breeding performance of the breeding local chicken are obviously improved; the raising benefits of the breeding local chicken are further improved.

The invention discloses broussonetia papyrifera feed special for raising chickens and a preparation method thereof. The broussonetia papyrifera feed special for raising the chickens comprises, by weight, 5-11 parts of broussonetia papyrifera, 12-18 parts of Chinese herbal medicine dry powder, 4-10 parts of rheum officinale, 3-9 parts of gallnut, 5-11 parts of fish meal, 6-12 parts of atractylodes macrocephala koidz, 4-10 parts of pericarpium granati, 10-16 parts of ligusticum wallichii, 7-13 parts of fructus aurantii immaturus, 50-70 parts of corn bran, 8-14 parts of sorghum flour, 5-11 parts of bean dregs, 1-7 parts of wheat bran, 10-16 parts of wheat, 1-5 parts of edible salt, 1-5 parts of shellfish powder and 10-30 parts of colza oil. The preparation method comprises the following steps of materials mixing, medicine liquor preparing, immersing and finishing. According to the broussonetia papyrifera feed special for raising the chickens, any pigment is not contained in components of the feed, and the nutrient content is high; while all components have their own effects, the components have effects that growing of the chickens is improved, disease infection of the chickens is reduced, and egg laying performance of the chickens is improved simultaneously; the broussonetia papyrifera is adopted as a raw material, absorption of the chickens on nutritive elements is improved, and the intestine and stomach function of the chickens is improved; and the broussonetia papyrifera feed special for raising the chickens conforms to food safety and meets the environmental requirements.

The invention relates to the field of feeds for livestock and poultry and particularly relates to a formula feed for improving the production performance of a broiler breeder. The feed is prepared from the following raw materials in percentage by weight: 180-200 parts of waxy corns, 45-65 parts of corn gluten powder, 50-60 parts of rapeseed meal, 45-50 parts of flaxseed meal, 60-80 parts of wheat, 35-40 parts of soybeans, 3-4 parts of spiral shell powder, 3-4 parts of lobster shell powder, 2-3 parts of luceana leaf meal, 2-3 parts of dehydrated clover powder, 5-6 parts of wild Chinese chives, 2-3 parts of cotton bollworm dried powder, 3-4 parts of sesame paste, 2-3 parts of herba epimedii, 1-2 parts of leonurus artemisia, 1-2 parts of angelica sinensis, 1-2 parts of semen cuscutae, a proper amount of table salt and 4-5 parts of a phagostimulant. According to the formula feed, the nutritional requirements of the broiler breeder can be met sufficiently; the spiral shell powder, the lobster shell powder and the like can supplement the requirement on calcium by the broiler breeder; the luceana leaf meal and the dehydrated clover powder are enriched with abundant flavonoids active substances and can deepen the color of yolks; Chinese herbal medicines including the herba epimedii, the leonurus artemisia, the angelica sinensis and the semen cuscutae can promote the development of a broiler breeder reproductive system so as to improve an egg laying performance of the broiler breeder.