35 results about "Fledge" patented technology

The invention discloses a laying hen feed applicable to the later stage of an egg laying peak, which comprises the following components in parts by weight: 80-120 parts of calcium hydrogen phosphate, 250-300 parts of stone powder, 40-60 parts of salt, 20-40 parts of sodium sulfate, 12-20 parts of choline, 30-40 parts of composite trace elements, 8-10 parts of compound vitamins, 15-25 parts of lysine, 20-30 parts of methionine, 100-150 parts of bone meal, 75-350 parts of medical stone, and 15-30 parts of additive. When in use, the laying hen feed is mixed with conventional basal feeds so as to form a complete feed. The laying hen feed applicable to the later stage of an egg laying peak, disclosed by the invention, is a special laying hen feed applied to the later stage of an egg laying peak, and can meet the requirements for large weights of laying hens, full fledging and good eggshell quality.

The invention provides a method for cultivating green-shell-egg black-feather black-bone chicken. The method includes the following steps that 1, purebred Dongxiang black-feather green-shell egg chicken serve as female parents, purebred Taihe silky black-bone chicken serve as male parents, the female parents and the male parents are hybridized to generate F1 generations, full-black male and female individuals with the full-black feathers and the black-color characteristics in the F1 generations are selected and remained; 2, the male and female individuals selected and remained in the step 1 are transversely mated and propagated, and individual recording and family breeding are permitted; 3, according to the compatriot selection method, the family selection method and the individual selection method, black-feather, black-color-characteristic and full-black hens generating green shell eggs at the same time are selected and remained in F2 generations generated in the step 2, and black-feather, black-color-characteristic and full-black cocks capable of allowing the hens to generate green shell eggs are selected and remained in the F2 generations; 4, the male and female individuals selected and remained in the step 3 are transversely mated and propagated and bred for 5 generations to 6 generations, and black-feather black-bone chicken generating green shell eggs are cultivated.

The invention relates to a breeding method of red Yao ma chickens. The breeding method is characterized by comprising the following steps of step 1, selecting parent breeding chickens; step 2, establishing a pure line and a family for base group breeding chickens; step 3, identifying the pure line of base group breeding chickens and the family of base group breeding chickens; step 4, establishing a core group and a family for the selected and remaining breeding chickens and producing the new generation of family; step 5, producing ancestral breeding chickens through the new generation of family of breeding chickens in the step 4, producing parent breeding chickens through the ancestral breeding chickens, producing goods generation of chickens through the parent breeding chickens and obtaining the new strain of red Yao ma chickens. According to the breeding method of the red Yao ma chickens, the feather colors of the bred red Yao ma chickens are basically as same as each other, the feather colors of the appearance of cocks are red, black and yellow and the purity is 100%, and the ma feather colors of the appearance of hens are dark brown and red and the purity is more than 95%; the egg laying number of 66 week age of hen breeding is more than 140 every day and the hatching egg fertilization rate is more than 90%; 120 day age of cocks are more than 2100 g, 120 day age of hens are more than 1600 g, and the weight coefficient of variation is less than 10%.

The invention relates to a method for breeding auto-sexing pigeons by use of a matching crossbreeding mode. The method is characterized in that a Thaxon female pigeon (A) and a silver-feather male pigeon (B) are selected to mate to produce the F1 generation, the pigeons having gray feather in the F1 generation are female, while the pigeons having silver feather are male, the auto-sexing F1 generations of different families are mutually matched to form the parent generations to breed commercial young pigeons, or the male young pigeons having gray feather in the F1 generation are taken as egg pigeons to produce commercial pigeon eggs, and the progenies of the F1 generation are matched mutually or matched with the pigeons of other breeds, and the obtained progenies do not have the auto-sexing character any more. The method for breeding the auto-sexing pigeons by use of the matching crossbreeding mode is capable of omitting the sex discrimination step, thereby saving the breeding cost to the utmost extent; the F1 generation is higher than the Thaxon female pigeon in both production capacity and disease resistance. The breeding pigeons do not need to be complexly sexed so that the breeding pigeon cultivation cost can be saved.

The invention discloses an undersized white feather broiler breeding method. An undersized yellow chicken and a white feather broiler are used for being in reciprocal cross and after that the yellow chicken and the white feather broiler are in horizontal cross fixing. Then, shutting breeding can be proceeded to breed a breed of undersized white feather broilers. The undersized white feather broiler breeding method is used for breaking through a traditional thought that a large-sized cock is mated with a large-sized hen to give birth to a parents-generation white chicken in a normal bodily form in the prior art. An undersized cock is chosen to mate the large-sized hen to give birth to the parents-generation white chicken in a grain-saving type. A method that an undersized yellow chicken (contains a dw gene) is half-bred with a white fast-growing chicken is used for choosing and breeding a breed of dominance undersized white chickens. High isozygoty and high stability of the dw gene can be guaranteed, and absolute security of resource can be guaranteed. An adult chicken is shapely in body and gesture, rounded in bodily form, huge in head, thick in neck, compact and shining in feathers and strong and muscular in chest-leg muscles. Chicken herd is good in uniformity and strong in disease resistance. Hens which enter into pheasantries for 66 weeks can lay 170-175 eggs. The weight of each egg is 50-60 grams. Passing percent of hatching egg is more than 95%. Emergence rate of hatching is 90%.

The invention discloses a method for artificial reproduction of brachymystax lenok tsinlingensis. The method for artificial reproduction of the brachymystax lenok tsinlingensis comprises the steps that (A) mature and highly active brachymystax lenok tsinlingensis is selected to serve as a parent; (B) reinforced cultivation of the parent is conducted; (C) artificial spawning is conducted, wherein two dosages of artificial spawning medicine is injected into the parent for artificial spawning from the end of March to the middle of April; (D) semen collection is conducted manually, wherein the parent is bred in an artificial spawning pond after the artificial spawning medicine is injected into the parent, a water inlet pipe is erected at one end of the artificial spawning pond, and the abdomen of the brachymystax lenok tsinlingensis parent is pressed regularly so that semen collection can be achieved from the alive brachymystax lenok tsinlingensis parent; (E) artificial insemination is conducted, wherein after an ovum is rinsed with normal saline for fish is collected, seminal fluid of a milter is squeezed on the ovum, then mixing is conducted with a feather, andartificial insemination is conducted; (F) artificial incubation is conducted, wherein a fertilized ovum is washed with purified water and then is poured in an incubation groove for incubation, a porous dandruff comb is arranged on the bottom of the incubation groove, and when fry which can swim appears, the fry is moved out of an incubation device to be bred in a fish tank. The method for artificial reproduction of the brachymystax lenok tsinlingensis is easy to implement, operation is easy and convenient, the fertilization rate and the hatching rate are high, obtained fish offspring are healthy, the body sizes of the obtained fish offspring are even, the rate of survival is high, the utilization rate of fish bait is high, and the growing speed is high.

The invention provides a breeding method for rejected laying hens. As the rejected laying hens are stocked in a woodland, the activity space of the rejected laying hens is large, the rejected laying hens are lively and bold, the feather is glossy, and the meat is fresh and tender in flavor and chewy; the rejected laying hens are strong in physique and low in morbidity probability, and the chicken is further healthier; as the environment in the woodland is relatively close to an original ecological environment, insects and weeds in the woodland are relatively more in species so as to provide the rejected laying hens with abundant pure natural foods, so that the chicken is rich in various animal proteins, the consumption of feeds is further reduced, and the feeding cost can be lowered. The breeding method provided by the invention has the advantages that the rejected laying hens bred by the method are strong in immunity, healthy in body, low in fat content of chicken and rich in various animal proteins and vitamins, and digestive absorption of the chicken is facilitated; the chicken is good in color and luster, fresh and tender in flavor, free of fishy smell, high in nutritional ingredient, rich in fragrance, good in taste and chewy in meat.

The invention relates to a breeding method of feather color automatic sexing laying pigeons, and belongs to the technical field of animal breeding. Hybridization is conducted on male pigeons (silver feather) in silver king pigeons and female pigeons (gray feather) in Thaxon pigeons to produce the generation F1, two types of feather colors are separated from the generation F1, the male pigeons have the gray feather color, the female pigeons have the silver feather color, the accuracy can reach 100%, and no female pigeons with the gray feather color or male pigeons with the silver feather color can appear in the generation F1. After selfing is conducted on the male pigeons and the female pigeons in the generation F1, color sexing can not be conducted. The egg yield (6.27 eggs or pairs of eggs per month) of female pigeons in the generation F1 is higher than the egg yield (5.13 eggs or pairs of eggs per month) of Thaxon pigeons and the egg yield (6 eggs or pairs of eggs per month) of silver king pigeons. Male bred laying pigeons and female bred laying pigeons can be recognized in the early stage according to the difference of feather colors, lots of breeding cost can be saved, no recognizing cost is needed, the accuracy can reach 100%, and the egg laying performance is better than that of Thaxon pigeons and silver king pigeons.

The invention relates to agriculture breeding and a planting technology, in particular to a method for releasing on-day-age ducks in rice-duck integrated farming. The method for releasing the on-day-age ducks in the rice-duck integrated farming comprises the steps: (a) selecting hatching time of newly-hatched ducklings, wherein 23-25 days after local rice planting time are confirmed as duck egg hatching time, and ducks are existing shelducks or working ducks; (b) selecting duck releasing time, wherein on-day-age ducklings are directly placed into a rice field where rice are planted for 3-5 days after feather dries; and (c) setting environment requirements, wherein the depth of a rice field water layer is 3-5cm, and 12-20 ducks are bred in each mu of rice field. By means of the method, prejudice on a traditional duck breeding theory is broken out, the processes of heat preservation brooding of household ducks in the rice-duck integrated farming and in-advance domesticating in water are omitted, the method is simple and easy to operate, the constitution of the ducklings can be improved obviously, and survival rate of the ducklings can be improved to 95-100%.

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 discloses special fodder for marketing gooses every 56 days. The special fodder comprises, by weight, 20-30 parts of extruded corn, 10-15 parts of wheat, 20-30 parts of millet powder, 2-5 parts of lard oil, 1-3 parts of carrots, 0.5-1.5 parts of grape seed oil, 15-25 parts of fish meal, 1-3 parts of earthworm powder, 2-5 parts of soybean protein concentrate, 2-6 parts of chrysanthemum dregs, 10-25 parts of cooked soybean meal, 5-10 parts of fermented biological protein, 2-6 parts of enzymolysis feather powder, 2-8 parts of scallop powder, 10-15 parts of maize germ dregs, 1-3 parts of rock flour, 2-4 parts of se-enriched yeast, 1-5 parts of Chinese herbal medicine additives, 0.02-0.08 part of compound enzymes, 0.1-0.7 part of phytase, 0.1-0.8 part of white ginseng, 0.2-0.8 part of armillaria mellea, 0.05-0.09 part of rhizopus oryzae, 0.03-0.07 part of lysine and 0.04-0.1 part of methionine. The special fodder is green, healthy, balanced in nutrition, remarkable in weight put-on effect and low in cost.

The invention relates to a yellow-feathered broiler breeding method which is characterized in that the second generation is bred in the following steps that: 0-day: chicks which are lighter than the average weight, have variegated feathers or blue foot skin are eliminated; 10-day: individuals which do not have tail, and have variegated feathers or blue foot skin are eliminated; 10-week: individuals which are lighter than the average weight, have variegated feathers or blue foot skin are eliminated; and 18-week: cocks which have the crown height lower than 3cm, chest expansion angle smaller than 60 degrees, tibial diameter smaller than 1.2cm or blue foot skin, and hens which have pale face, lack energy, and have the tibial diameter smaller than 1cm and blue foot skin or bend toes are eliminated. The yellow-feathered broiler breeding method can make the chicken performance progress for generations and not degenerate for a long time.

The invention discloses a hybrid species production method for yellow-foot local chickens. The method is characterized by comprising the following steps: selecting Wenchang chicken protospecies with yellow feet and ephedra feathers, breeding the protospecies, taking healthy cocks in offsprings as a male parent, selecting sanhuang chicken protospecies with yellow feet and ephedra feathers in the southern Anhui, breeding the protospecies, taking healthy hens in offsprings as a female parent, and conducting hybridization on the male parent and the female parent to obtain commodity chickens. The method has the advantages that the feet of the commodity chickens are yellow, the shank length and the shank circumference are medium, the ephedra feathers are obtained, the body is compact, the appearances of the chickens conform to most market requirements in China, the viability of the commodity chickens is strong, the death and culling rate is low, the growth speed is high, the weight is good in uniformity, the commodity chickens are not suitable for being used as parents, a species manufacturer can control and protect a species source, and the species production method is further beneficial to promoting development and utilization of local excellent chicken species resources.

The invention discloses a method for raising pheasant chicks, and relates to the technical field of pheasant raising. The method comprises the following steps: 1, breeding the chicks indoors in cages, controlling the temperature to be 15-35 DEG C, and putting 10-60 chicks per square meter; feeding the chicks with water for the first time, namely feeding the chicks with water for the first time 24-36 hours after feathers of the chicks are dried, changing the water fed at the first time into ordinary water for drinking, and controlling the water temperature to be the same as the indoor temperature; starting to feed the chicks with a feed, namely starting to feed the chicks with the feed 1-2 hours after feeding the chicks with water for the first time, mixing the feed with water, and then uniformly spreading the feed on packing paper; feeding the chicks, namely feeding the chicks for 6 times every day when the chicks are in half-month old, and performing feeding once every 3 hours from 5:00 a.m. to 8:00 p.m., keeping lighting for 20 hours every day, and feeding the chicks for 5 times every day after half-month old; performing classification and selection; performing evacuation to reduce the density, wherein the stage density for chick raising is, for per square meter, 60 chicks of 1-day-old to 10-day-old, 20 chicks of 11-day-old to 30-day-old, and 10 chicks of 31-day-old to 60-day-old; and breaking pecks. The method disclosed by the invention is convenient to manage, high in survival rate, and high in growing speed, and helps to improve the economic benefits.

A pheasant chick breeding method relates to the pheasant culture technical field; the method comprises the following steps: 1, putting pheasant chicks in cages in a room for breeding at the temperature of 15-35 DEG C, wherein 10-60 chicks are placed in per square meter; primary drinking, allowing the chicks to drink for the first time 24-36 hours after the feathers are dry, wherein the primary drinking water is mass concentration 1% and room temperature potassium permanganate aqueous solution, and changing the primary drinking water into normal water at room temperature after the primary drinking step; first feeding, feeding the chicks 1-2 hours after primary drinking, using water to modulate the forage and evenly spreading the forage onto a packing paper; feeding, feeding the chicks for 6 times every day in the first 15 days, i.e., feeding the chicks in every 3 hours from 5am to 8pm, keeping chicks under sunlight for 20hours every day, and feeding the chicks for 5 time every day after 15 days; grading and eliminating: evacuating density, wherein the density in the chick breeding stage is set as the following: 60chicks / square meter in the 1-10 days old, 20chicks / square meter from 11-30 days old, and 10 chicks / square meter from 31-60 days old; breaking pecks. The pheasant chick breeding method is convenient in management, high in survival rate, fast in growth speed, and can improve economic benefits.

The invention relates to a breeding method for hatching eggs of swan geese, and relates to technical field of cultivation. The method is characterized by comprising following steps of: a, a breeding preparation period: one month before swan geese lay eggs is the breeding preparation period, preparations are made for egg laying, a concentrated supplement is taken as a main feed supplement, male and female geese are bred separately, the male geese are fed with the supplement 3 times everyday, and the female geese are fed 2 times everyday; b, a breeding period: the breeding period mainly adopts goose house breeding and is supplemented by grazing, the geese are fed 2-3 times everyday, one more feeding is added at nights, adequate mineral feeds are supplemented, and enough water is placed; and c, a no-laying period: the female geese lay egg until July, laid eggs are reduced, feathers are dry, sexual desires of the male geese decreased, the no-laying period starts, the concentrated supplement is changed into a coarse supplement, the period is changed into a coarse feeding period with priority to grazing, whole day grazing can be achieved, supplements are not fed, supplements are fed appropriately in poor grazing conditions or successive rainy days, and feeding is kept in winter by adding 20-30% of maize flour into cabbages, maize straw powder and grass powder to keep the weight of the geese from decrease. The breeding method is scientific, the egg laying rate and the fertilization rate of the female geese are high, the number of laid eggs is large, the breeding cost is low, and the economic benefit is good.

The invention discloses a method for collecting goose feathers through artificial nutritional intervention. First, a healthy goose with complete feather growth is placed in a dark, dry, hygienic, and quiet environment, and the nutrient intake is controlled, that is, water and food are cut off; and then After nutrition control, the weight of the geese drops by 25-40%, and the body temperature drops by 0.4-1.2°C, and the classification of flake feathers, down feathers and wing feathers begins to be collected; Recover 30% of the daily ration supply on the first day after feathering, and increase 10-20% to 100% every day thereafter. Among them, 0.9% salt water is used for free drinking water in the first three days, and normal water supply is restored later. Then you can go into the water to take a bath. The invention adopts artificial nutritional intervention to cut off the nutrient supply of goose feathers, so that the feathers are dry and easy to pull out, which not only overcomes the shortcomings of scalding and picking feathers, live feather pulling, and drug feather removal, but also does not affect reproduction and rejuvenation.

The invention provides a method for refinement and breed conservation of stock lion-head geese. The method mainly comprises the steps that breed geese with the same or similar appearance of the stock lion-head geese are selected to build a selective breeding basic group; an atretic selective breeding core group is selected and remained; after feeding and management of four to six months to a single-column small water body goose house and selective breeding of four to five generations, reserved breed geese with outstanding appearance features such as obvious sarcomas, wax-like leg skin, large abdominal girths and pure feathers are finally selected as a first generation; on the basis, refinement and rejuvenation are carried out; and finally, a stock parent generation group of line-head geese with excellent production performance can be selected for breeding. The selective breeding mainly aims to protect stock resources of the lion-head geese, prevent variety degeneration caused by chaotic hybridization, achieve further stabilization of economic traits of the unique stock lion-head geese in China, enhance genetic performance of the geese and achieve industrialization of the stock lion-head geese.

The invention relates to a method of breeding black ecological silkie. The method is characterized in that in the process of selecting male breed silkies, breed silkies with large body shape, purple-red mulberry crown, wide chest, vertical, muscular, smooth feather, large and bright eyes, and never infected with disease are selected; for silkies of 0-6 weeks old, attention is paid to the temperature in the breeding process, temperature-and-warmth keeping is conducted, for silkies of the first week, the breeding temperature is kept at 25 DEG C, and dropped by 2-3 DEG C for every passing week, this continues until the sixth week; for adult breed silkies, the number of eggs outside the nest is reduced in the breeding process, and sufficient nutrient substances are given; for silkies at the brooding stage, thorough cleaning is conducted on the brooding hen house, the mouse holes are blocked, and then disinfection is conducted using 2-3% caustic soda water. The method of breeding black ecological silkie is simple, low in cost, the black silkies are fast in growth, high in end product yield, and the breeding benefit of black silkies is greatly improved.

The invention discloses a cultivation method of anti-season gooses. The method includes the steps of firstly, screening good breeding gooses; secondly, increasing illumination time in spring and winter to allow the illumination time to be 13 hours, wherein the proportion of male gooses to female gooses in a goose house is 1:(7-15); in the summer and autumn, cultivating the gooses in different fences, wherein the male-female ratio of the gooses is 1:4-5, 15-20 gooses are arranged in each fence, and driving the gaggle back into the goose house; thirdly, manually and thoroughly pulling all the feather of the gooses during the ceased period of the breeding gooses in May or June, and changing the feed supply of the feather-removed gooses, wherein each goose is fed with 230-250g of feed; after the feather-removed gooses grow new feather again, spreading growth-promoting mixed feed into each fence, wherein the feed for each goose is regulated to be 130-150g in the ceased period of the goosesin spring and winter; fourthly, preparing matched egg laying boxes in the anti-season egg laying period. By the method, off-season goose egg shortage is relieved effectively, yield is increased greatly, and goose egg shell forming rate is increased.

The invention relates to a method on dove domestication. Livestock is set farm 2 km, outside of the ornamental garden and dovecote is built there. First doves are fed on the farm until they becoms familiar with the environment and then brings them to the ornamental garden with empty stomach and let doves take food there. After taken food doves naturally fly back to the farm. Bring the empty-stomach doves to the said place time and again until they themselves can return back to said farm, resulting in minimizing pollution situation at least 2 / 3.

The invention discloses a meat pigeon efficient fattening and breeding method. The method is characterized by specifically comprising the following steps that firstly, a pigeon house is prepared, wherein the height of the pigeon house is 2-2.5 m, the width of a cage body of a fattening cage is 35 cm, the depth of the cage body is 40 cm, and the height of the cage body is 35 cm; secondly, the pigeon house is pre-treated, wherein a pigeon cage and a feeding instrument are disinfected by using a disinfectant before young pigeons are put into the pigeon cage; thirdly, the young pigeons are put into the pigeon cage, wherein the young pigeons which are healthy, free of injuries, large in size, plump in muscle and smooth in feather are selected; fourthly, management is conducted in the growth period, wherein water bath is conducted on the meat pigeons and feathers are pulled. The method has the advantages that the survival rate is high, the disease resistance is high, the meat pigeons quicklygrow in short time, the fat content in pigeon meat is moderate, the meat quality is delicious, the yield is high, and industrial breeding and popularization are facilitated.

The invention discloses a hybridization breeding method of Huaibei partridge chickens. Original species of the Huaibei partridge chickens are selected as female parents; Huainan partridge chickens with green feet and yellow feathers are selected as male parents; chickens obtained by the hybridization of the female parents and the male parents are used as commercial chickens. The commercial chickens have green feet and flax-yellow feathers and are compact in body type, the excellent advantages of roast chicken processing by the Huaibei partridge chickens are embodied, and the defects are overcome at the same time that the growth is slow and the feed conversion ratio is high. The commercial chickens have the advantages of being strong in vigor, fast in growth, high in disease resistance and the like, and are one of the best raw materials for processing Fuli roast chicken. The commercial chickens are not suitable for breeding usage, and at the same time the hybridization breeding method of the Huaibei partridge chickens is conducive to promoting the development and utilization of local dominant chicken species resources.

The invention relates to an athletic pheasant raising method. The method is characterized in that during selection of breeding male pheasants, each breeding pheasant which has a large body shape, a claret-colored mulberry-like cockscomb, a wide vertical chest, well-developed muscles, sleek feathers and big bright eyes and has not had diseases is chosen; for each black pheasant during 0-6 weeks, the temperature should be paid attention to during raising, warm keeping is conducted on the black pheasants, the raising temperature of the black pheasants during first week is maintained at 25 DGE C, and the temperature is reduced by 2-3 DGE C every week until the sixth week; for adult pheasants for breeding, the number of eggs outside coops should be lowered during raising, and substantial nutrient substances are given; for black pheasants at a brooding stage, henhousees of the pheasants which brood should be cleaned thoroughly, mouse holes are blocked, and then disinfecting is conducted with 2-3 % of caustic soda water. The method is simple, the cost is low, growing of the black pheasants is fast, the yield is fast, and raising benefits of the black pheasants are greatly improved.

The invention discloses a breeding method of semi-frizzle pileum-beard-free rare meat birds (semi-curly rare bareheaded meat birds). Guinea fowls serve as male parents, frizzle curly chickens serve asfemale parents, that is, male guinea fowls and female curly chickens are used for hybridization, and a filial generation obtained through hybridization is a bird which is exactly like a large bareheaded meat bird and is called the semi-frizzle rare bareheaded bird for short, wherein the head of the bird is free of a pileum and a helmet, the jaw of the bird is free of wattle, the bird has an aquiline beak, flat and straight tail feathers and developed wing feathers, and feathers of the whole body are semi-curly and yellow. The meat bird is agile in action, high in flying and running speed, high in aggressivity and low in sound, and the sound is not like earsplitting tweet of the guinea fowls or crowing of common cocks. Sex characteristics are not obvious, and the meat bird has no courtshipbehaviors or reproductive capacity; the heat dissipation performance is good, growth is quick, the weight of the meat bird is obviously larger than those of parents, the slaughter rate is high, the fat content is low, the meat bird conforms to the consumption trend of people on the quality of low-fat meat, and the bird is the semi-frizzle rare bareheaded meat bird which is obtained through different-family distant hybridization and has special characteristics.

The invention discloses a method for artificial reproduction of brachymystax lenok tsinlingensis. The method for artificial reproduction of the brachymystax lenok tsinlingensis comprises the steps that (A) mature and highly active brachymystax lenok tsinlingensis is selected to serve as a parent; (B) reinforced cultivation of the parent is conducted; (C) artificial spawning is conducted, wherein two dosages of artificial spawning medicine is injected into the parent for artificial spawning from the end of March to the middle of April; (D) semen collection is conducted manually, wherein the parent is bred in an artificial spawning pond after the artificial spawning medicine is injected into the parent, a water inlet pipe is erected at one end of the artificial spawning pond, and the abdomen of the brachymystax lenok tsinlingensis parent is pressed regularly so that semen collection can be achieved from the alive brachymystax lenok tsinlingensis parent; (E) artificial insemination is conducted, wherein after an ovum is rinsed with normal saline for fish is collected, seminal fluid of a milter is squeezed on the ovum, then mixing is conducted with a feather, andartificial insemination is conducted; (F) artificial incubation is conducted, wherein a fertilized ovum is washed with purified water and then is poured in an incubation groove for incubation, a porous dandruff comb is arranged on the bottom of the incubation groove, and when fry which can swim appears, the fry is moved out of an incubation device to be bred in a fish tank. The method for artificial reproduction of the brachymystax lenok tsinlingensis is easy to implement, operation is easy and convenient, the fertilization rate and the hatching rate are high, obtained fish offspring are healthy, the body sizes of the obtained fish offspring are even, the rate of survival is high, the utilization rate of fish bait is high, and the growing speed is high.

The invention discloses a special feed for meat geese of 20-30 days old, and relates to the technical field of goose feeds. The special feed comprises the following raw materials in parts by weight of30-40 parts of fermented eucalyptus leaf meal, 6-12 parts of peanut cakes, 1-3 parts of meat and bone meal, 4-10 parts of hydrolyzed puffed feather meal, 6-12 parts of soybean meal, 0.2-1 part of lobster powder, 12-18 parts of wheat bran, 0.1-0.5 part of table salt, 0.2-1 part of stone powder, 1-3 parts of river snail powder, 0.02-0.1 part of phytase, 2-8 parts of a traditional Chinese medicine additive, 2-6 parts of bunge corydalis herb, 0.01-0.05 part of calcium pantothenate, and 0.2-1 part of calcium hydrogen phosphate. The feed is rich and comprehensive in nutrients, provides superior nutrients for growth of the meat geese, promotes growth and development of skeletons, improves the intestine and stomach functions of young geese, improves the immunity, and strengthens the disease resistance. The feed can completely meet growth and development requirements of the meat geese of 20-30 days old.

The invention discloses a special feed for breeding geese at a ceased period. The special feed is prepared from the following raw materials in parts by weight: 8-16 parts of corn, 13-17 parts of wheat, 22-26 parts of rice bran, 4-8 parts of soybean meal, 12-16 parts of corn bran, 2-5 parts of yeast protein, 0.5-1.5 parts of feather meal, 12-16 parts of a mixture of rice chaff and rice husk powder, 14-20 parts of maize germ meal, 1-2 parts of molasses, 1-2 parts of peanut vines, 0.5-1.5 parts of sweet potato vines, 1-2 parts of bagasse, 1-2 parts of bean curd residues, 1-2 parts of pumpkin seeds, 1.3-1.9 parts of stone powder, 0.5-0.9 part of dicalcium phosphate, 5-8 parts of a Chinese herbal medicine additive, 2-4 parts of a breeding goose compound premix, 0.2-0.6 part of complex enzymes and 0.02-0.08 part of phytase. The special feed for the breeding geese at the ceased period provided by the invention is balanced in nutrients, and the immunity of the breeding geese at the ceased period can be effectively enhanced.

The invention discloses a hybrid species production method for yellow-foot local chickens. The method is characterized by comprising the following steps: selecting Wenchang chicken protospecies with yellow feet and ephedra feathers, breeding the protospecies, taking healthy cocks in offsprings as a male parent, selecting sanhuang chicken protospecies with yellow feet and ephedra feathers in the southern Anhui, breeding the protospecies, taking healthy hens in offsprings as a female parent, and conducting hybridization on the male parent and the female parent to obtain commodity chickens. The method has the advantages that the feet of the commodity chickens are yellow, the shank length and the shank circumference are medium, the ephedra feathers are obtained, the body is compact, the appearances of the chickens conform to most market requirements in China, the viability of the commodity chickens is strong, the death and culling rate is low, the growth speed is high, the weight is good in uniformity, the commodity chickens are not suitable for being used as parents, a species manufacturer can control and protect a species source, and the species production method is further beneficial to promoting development and utilization of local excellent chicken species resources.