30 results about "Nubian goat" patented technology

The invention discloses a method for breeding a new variety of Taihang black goats. In the breeding method, a three way cross among a Taihang black goat, a Jintang black goat and a Nubian is performed, and individual bulk selection is used for selective breeding and propagation to breed the new variety of Taihang black goats. In the breeding method of the invention, by introducing the advantageous genes associated with the large body size, high yield and high milk productivity of the Jintang black goats and Nubian goats are introduced, the bred new variety of the Taihang black goats, apart from the characteristics of high adaptively and complete black hair of the Taihang black goat, has the advantages of large body size, high growing speed, high meat production capacity, high milk productivity and the like. Compared with Taihang black goats, the new variety has the advantages that: the lambing percentage is as high as over 150 percent; the growing speed is high; the body size is so large as the weight of a mature male goat is over 55 kilograms and the weight of a female goat is over 40 kilograms; the meal productivity is high; the meat quality is high; the milk yield is high; and the adaptability is high. Thus, the method is suitable for drylot feeding and market lamb production development.

The invention discloses a breeding method for a Puan black goat line. The breeding method utilizes foundation Guizhou black nanny goats and Nubia billy goats to bi-cross, first-class first Nubia billy goat-black nanny goat hybrid generation nanny goats chosen as the female parent and first-class Guizhou black billy goats chosen as the male parent backcross, first-class backcrossed filial generation billy goats and first-class nanny goats are chosen to cross to be fixed, and therefore the Puan black goat line with more stable genes is bred. By introducing the excellent genes of the Nubia goats, such as big build, high reproduction rate and fast growth, the breeding method ensures that the bred Puan black goat line has the advantages of big build, fast early growth and development, high reproduction rate, high meat productivity and the like besides the characteristics, such as high adaptability, high disease resistance and black clothing hair, of the Guizhou black goats.

The invention discloses a method for cultivating highland high-quality black goat by virtue of hybridization of national and abroad goats. The method comprises the following steps: hybridizing an adventive Nubia goat used as a male parent with a Yunnan local Yunling mountain black goat used as a female parent, so as to obtain an F1-generation Nubia-Yunling hybrid black goat; performing grading hybridization on the Nubia goat used as the male parent and the F1-generation Nubia-Yunling hybrid black goat used as a female parent, so as to obtain an F2-generation Nubia-Yunling hybrid black goat; continuously performing grading hybridization on the Nubia goat used as the male parent and the F2-generation Nubia-Yunling hybrid black goat used as a female parent, so as to obtain an F3-generation Nubia-Yunling hybrid black goat; performing breeding and cross hybridization fixation on the F3-generation Nubia-Yunling hybrid black goat, so as to obtain a Nubia high-generation black goat variety applicable to growing in a high-altitude area. The Nubia high-generation black goat variety can be used for overcoming the defects of low general growth speed, low breeding rate, thick and hard flesh and the like of the Yunling black goat and has the advantages of cold resistance, coarse feed resistance, high farrowing rate, rapid growth speed, good flesh, high dressing percentage and the like.

The invention discloses a method for cultivating a hybrid new line of Guizhou black goat and Nubian goat. An offspring with high meat yield, high fecundity and fast growth rate is obtained through hybridization breeding of Guizhou black goat and Nubian goat, and the offspring with fast growth rate, high fecundity and high meat yield can be obtained by hybridization of the Guizhou black goat and the Nuhei F1 generation; then the Nuhei hybrid sheep is obtained by hybridization of a Guizhou black goat ram and the F1 generation; and finally, the Heinu hybrid sheep is subjected to transverse fixation of three generations, and the hybrid line sheep with high fecundity and fast growth can be obtained. The sheep retains the specific advantages of the Guizhou black goat, such as high reproductive rate, light mutton taste, delicious meat and good quality of skin, and inherits the advantages of the Nubian goat, such as tall property, fast growth rate and strong fecundity.

The invention discloses a new milk and meat dairy goat breeding method. The breeding method using excellent localized acclimatization Saanen dairy ewes in Puan as female parents and excellent localized acclimatization Nubian rams in Puan as male parents for grading crossing, selecting excellent first-filial generation ewes of the Nubian rams and the Saanen dairy ewes as female parents and excellent local Nubian goats as male parents for third-generation grading crossing, and selecting excellent filial generation rams and ewes of each grading crossing for cross hybridization fixing (combination) to breed and select the new milk and meat dairy goat having stable genetic nature. The new milk and meat dairy goat breeding method breeds the new milk and meat dairy goat by using the excellent filial generation of Nubian goats, which is high in resistance, large in physique, high in reproductive rate, fast in growth, good in meat quality, high in meat production rate and high in butter fat percentage.

The invention discloses a method for breeding a goat strain for Nubian-Huai meat, which comprises the following steps of: (1) hybridizing Nubian goats serving as male parents and Henan Huai goats serving as female parents, and selecting and keeping excellent female goats from the born F1 generation to form a first-filial generation female goat flock; (2) hybridizing the first-filial generation female goat flock serving as female parents and the Nubian goats serving as male parents to obtain an F2 generation, and selecting and keeping excellent female goats from the F2 generation to form a second-filial generation female goat flock; (3) hybridizing the second-filial generation female goat flock serving as female parents and the Nubian goats serving as male parents to obtain an F3 generation, and selecting and keeping excellent female goats from the F3 generation; (4) mating the excellent female goats selected from the F3 generation and the excellent male goats of the F2 generation to produce a zero generation goat flock of the goat strain for the Nubian-Huai meat; and (5) crossing and fixing the zero generation goat flock of the goat strain for the Nubian-Huai meat to breed the goat strain for the Nubian-Huai meat. The bred goat strain for the Nubian-Huai meat has quick growth and development, reaches over 30 kilograms at six months, and has the advantages of increased physique, improved meat yield and high feed reward.

The invention discloses molecular markers related to lambing traits of a Nubian goat and combined application of the molecular markers. The molecular markers related to the lambing traits of the Nubian goat are a group of molecular markers which are respectively located in a BMPR1B gene, a BMP15 gene, a GDF9 gene and an FSHR gene. According to the invention, the lambing traits of the Nubian goat can be rapidly predicted by utilizing the molecular markers, improvements on the lambing traits of the Nubian goat can be realized, and the breeding efficiency of the molecular marker-assisted selection can be greatly improved.

The invention provides a method for breeding Nubia goats and Hainan black goats. The method disclosed by the invention comprises the following steps: introducing Nubia goats into Hainan black goat varieties for hybridizing, taking the Hainan black goats as a female parent and taking the Nubia goats as a male parent for hybridizing, crossing in F1 generation hybrid variety so as to obtain the F2 generation crossing hybrid; taking the F2 generation crossing hybrid as a male parent and taking the Hainan black goats as a female parent for hybridizing so as to obtain the F3 generation hybrid; taking the F3 generation hybrid as a female parent and taking the Hainan black goats as a male parent for hybridizing so as to obtain the F4 generation hybrid; crossing excellent female parents in the F4 generation hybrid and excellent male parents in the F4 generation hybrid so as to obtain the F5 generation crossing hybrid; performing enclosed breeding, and expanding population. According to the method disclosed by the invention, the gene advantages of the Nubia goats such as fast growth, high reproduction rate, delicious meat, high meat percentage and the like are effectively inherited, and the reproduction rate of ewes is increased from the original 150% to 200% or higher. According to the breeding method disclosed by the invention, the meat yield, production rate and reproductive capacity of the Hainan black goats are effectively improved.

The invention discloses a method for synchronizing oestrus of Nubian goats, which comprises the following steps of manufacturing artificial corpus luteum, combining the artificial corpus luteum with corpus luteum in vivo to inhibit the follicular development of an ewe, eliminating the artificial corpus luteum by removing a suppository, and injecting the cloprostenol with a specific dosage to dissolve the corpus luteum in vivo to promote the development, maturation and ovulation of the follicle. According to the method for synchronizing oestrus of the Nubian goats, the estrus, mating, pregnancyand delivery of the animal population are adjusted to be carried out simultaneously within a certain time, the industrialized and assembly line management cultivation of the lactation period, the reserve period and the fattening period is unified, and the scientific feeding management of the descendants is well carried out. The method for synchronizing oestrus of the Nubian goats aims to fill inthe blank in the prior art for treating the synchronous oestrus of the Nubian goats, and provides a set of concrete implementation method, medicament and dosage of the technology for treating the synchronous oestrus of the Nubian goats.

The invention belongs to the technical field of livestock breeding, and particularly relates to a goat crossbreeding method. A Ceheng local black goat serves as a female parent, a Nubia goat serves as a male parent, artificial insemination is carried out after the female parent is subjected to prolificacy gene detection, and a first-filial generation F1 is obtained; the obtained first-filial generation F1 is subjected to backcrossing with the Nubia goat, and a second-filial generation F2; a high-quality male goat is selected from the second-filial generation F2 for transverse crossing fixation on the high-quality male goat to obtain a high-generation hybrid. According to the method, the Nubia goat serves as the male parent and the Ceheng local black goat serves as the female parent for hybridization; the obtained second-filial generation F2 has the advantages of being high in lambing rate, good in meat quality, quick in growth and development and good in meat type body size, and the meat productivity is improved.

The invention discloses a breeding method of Nubian goats. The breeding method of the Nubian goats has the advantages of lowering the risk of plant diseases and insect pests, greatly improving the meat quality indexes of the goats, shortening the growth cycle, greatly improving the economic benefits, and achieving important technology tend for the promotion of breeding technology of the Nubian goats. The breeding method of the Nubian goats comprises (1) mating stage; (2) pregnancy stage; (3) lambing lactation stage; (4) fattening stage.

The invention relates to a Nubia-Longlin crossbred goat breeding and cultivating method. Through introducing the good genes of Nubia goats which are large in size, high in reproductive rate and quick in growth, the method enables a new strain (cultivated Longlin black goats) to be high in adaptability and disease resistance and be fully black in hair. The method overcomes the defects of a single type of crossbred black goats, and greatly improves the survival rate of lambs. Meanwhile, the crossbred goats are large in size, are quick in early growth, are high in breading rate, are high in meat productivity, are fresh and tender in meat, and are high in nutritive value of meat.

The invention discloses a method for cultivating a goat of a new variety by hybridizing a qianbei ma goat and a Nubian goat. According to the method for cultivating the goat of the new variety by hybridizing the qianbei ma goat and the Nubian goat, good performance of mutton production and a high yield of mutton of the Nubian goat can be introduced by hybridizing the qianbei ma goat and the Nubiangoat, and meanwhile since the Nubian goat has the advantages of rapid growth, large weight of a grown goat and the like, the speed of growth and development, yield of the mutton and mutton productionperformance of the Nubian-qianbei hybridized goat which is cultivated by hybridizing the qianbei ma goat and the Nubian goat can be improved; however, since the mutton quality of the Nubian goat is poorer than that of the qianbei ma goat, the meat quality is improved by introducing another qianbei ma goat variety which is different from the variety of the hybridized parent qianbei ma goat on thebasis of obtaining the Nubian-qianbei hybridized goat, and finally the goat of the target variety can be obtained through transverse fixed mating of the Nubian-qianbei hybridized goat.

The invention relates to the field of a breeding technology, in particular to a Nubian goat breeding method. The Nubian goat breeding method comprises pasture and livestock dynamic management and feeding management, wherein the pasture and livestock dynamic management comprises the steps of sowing according to a ratio of the grass family to beans being 3:7 and performing pasturing according to the length of seedlings; the feeding management adopts a method for feeding different feed at different stages and the specific operation is as follows: the young-aged goats are fed with breast milk, soybean milk, sesame paste and condensed milk; the goats at the age of 20 to 30 days are fed with concentrated materials as main materials as well as coarse materials and mixed feed as auxiliary materials; each of the adult goats is fed with 1 to 1.3 kg of feed per day, is fed for three times every day and is fed with 40 to 55 percent by weight of concentrated materials, 35 to 45 percent by weight of coarse materials and the balance nutritional agents for each time; the pregnant goats are fed with refined materials by a manually feeding mode and are fed with protein powder cooperatively. By the breeding method provided by the invention, the adaptability and the production performance of the Nubian goats are improved, the lambing rate is increased by 6.9 percent and the weight of the goats is increased by 9.6 percent.

The invention belongs to the technical field of cultivation of animal husbandry, and particularly discloses a feed for hybrid goats. The feed is prepared from 65-85 parts of corn, 60-70 parts of soybean meal, 10-20 parts of arenga pinnata starch, 6-10 parts of broussonetia papyrifera leaves, 1-2 parts of motherwort, 3-5 parts of edible salt, 6-10 parts of beet pulp, 2-5 parts of radix angelicae sinensis, 3-7 parts of modified montmorillonite, 3-7 parts of prepared rehmannia roots, 0.5-1.5 parts of albendazole and 2-4 parts of herbal paederia scandens. The feed prepared according to the growth characteristics of hybrid second generation of local Ceheng goats and Nubian goats is rich in kinds of raw materials and sufficient in nutrition, and can effectively strengthen the disease resistance of the hybrid goats, increase the growth speed of the hybrid goats and increase the meat yield of the hybrid goats.

The invention discloses a new milk and meat dairy goat breeding method. The breeding method using excellent localized acclimatization Saanen dairy ewes in Puan as female parents and excellent localized acclimatization Nubian rams in Puan as male parents for grading crossing, selecting excellent first-filial generation ewes of the Nubian rams and the Saanen dairy ewes as female parents and excellent local Nubian goats as male parents for third-generation grading crossing, and selecting excellent filial generation rams and ewes of each grading crossing for cross hybridization fixing (combination) to breed and select the new milk and meat dairy goat having stable genetic nature. The new milk and meat dairy goat breeding method breeds the new milk and meat dairy goat by using the excellent filial generation of Nubian goats, which is high in resistance, large in physique, high in reproductive rate, fast in growth, good in meat quality, high in meat production rate and high in butter fat percentage.

The invention discloses a method for breeding a new variety of Taihang black goats. In the breeding method, a three way cross among a Taihang black goat, a Jintang black goat and a Nubian is performed, and individual bulk selection is used for selective breeding and propagation to breed the new variety of Taihang black goats. In the breeding method of the invention, by introducing the advantageous genes associated with the large body size, high yield and high milk productivity of the Jintang black goats and Nubian goats are introduced, the bred new variety of the Taihang black goats, apart from the characteristics of high adaptively and complete black hair of the Taihang black goat, has the advantages of large body size, high growing speed, high meat production capacity, high milk productivity and the like. Compared with Taihang black goats, the new variety has the advantages that: the lambing percentage is as high as over 150 percent; the growing speed is high; the body size is so large as the weight of a mature male goat is over 55 kilograms and the weight of a female goat is over 40 kilograms; the meal productivity is high; the meat quality is high; the milk yield is high; and the adaptability is high. Thus, the method is suitable for drylot feeding and market lamb production development.

The invention provides a method for producing nubia goat cholic acid. The method includes the steps that cholic skin is sheared, bile is collected, filtered and mixed to be even, 0.1 fold of the total weight of the bile is added, sodium hydroxide is added, the mixture is stirred, heated to be boiled and subjected to silk forming treatment for 24 hours, and clear water is supplemented at any moment during silk forming treatment; after silk forming treatment is completed, the mixture is cooled to be at the room temperature, supernatant liquid is siphoned and collected, lower-layer sediment is filtered with cloth into another container and cooled to be at the temperature lower than the room temperature, then hydrogen peroxide of 2% to 3% is added, the mixture is sufficiently stirred for 15 minutes, and standing precipitating is carried out for 30 minutes; acid is added into the mixture, and filtering, stirring and precipitating are carried out; after cholic acid floats to the liquid surface, floating substances are salvaged and placed into a pot, one fold of clear water and acetic ether is added, the mixture is stirred to be even and heated to be boiled for 30 minutes, the cholic acid forms particles, the particles are filtered, washed to be neutral with clear water and dried in a hung mode, and semi-finished nubia goat cholic acid is prepared; ethyl alcohol and hydrogen peroxide in the proportion of 100:(2-3) are mixed, the ethyl-alcohol and hydrogen-peroxide mixture is led into the semi-finished nubia goat cholic acid, and the mixture is stirred to be in a stirred-feed type and dried in a centrifugal machine.

The invention relates to a method for cultivating a new meat goat strain / species of Guizhou black goat. The method comprises the following steps: 1) breeding Guizhou black goats, Nubian goats and Karahao goats; 2) obtaining a Nubian-black hybrid F1 generation female parent and a Karahao-Nubian hybrid F1 generation male parent; 3) obtaining a Karahao-Nubian-black F2 generation female parent; and 4)obtaining a Karahao-Nubian-black F3 generation male parent and a Karahao-Nubian-black F3 generation female parent, and fixing the excellent Karahao-Nubian-black F3 generation by crossing. According to the method, the BLUP method technology is combined with the conventional breeding method, and the new meat strain (species) with the blood relationship ratios of the Karahao goats, the Nubian goatsand the Guizhou black goats being 50%, 37.5% and 12.5% respectively is finally cultivated by virtue of the technical means of synchronous estrus, artificial insemination, superovulation, embryo transplantation and the like. The strain (species) can fully combine the heterosis of high meat yield of the Karahao goats, moderate meat yield and strong lactation capability of the Nubian goats, and retain the excellent characteristics of good meat quality, crude feed resistance and strong stress resistance of the Guizhou black goats.

The invention discloses a method for breeding a new Nubia and Funiu goat variety. Funiu white goat serving as a female parent and Nubia goat serving as a male parent are subjected to progressive hybridization, optimal combination, crossing fixation and reproduction and selective breeding to form the new Nubia and Funiu goat variety. In the method, the Nubia goat and Funiu white goat are hybridized; and because the Nubia goat has the characteristics of large body, rapid growth and development at an earlier stage, high feed conversion ratio and high milk production performance, and the Funiu white goat has the characteristics of high adaptability and the like, heterosis is obvious. The new Nubia and Funiu goat variety obtained by the breeding method has the appearance similar to the Nubia goat, has the advantages of large body, high lambing rate, rapid growth and development, high meat production performance and the like, and is suitable for fattening during barn feeding and captive breeding and developing the production of fat lambs.

The present invention provides a preparation method of a Nubia goat tripe cleaning agent. The method comprises the following steps: 25-30 parts of cortex mori, 15-20 parts of angelica sinensis, 15-20 parts of green tea, 12-16 parts of bamboo leaves, 6-10 parts of toona sinensis and 5-8 parts of dried bitter gourds are crushed into coarse powder, then the coarse powder is soaked into osmanthus fragrans flower wine for 12-24 h, the soaked coarse powder is sieved via a 80-100 mesh sieve and a filtrate is concentrated into an extractum; 15-20 parts of castor oil is added to a pot, the castor oil is heated, 4-7 parts of beeswax is added, the heating is stopped until the beeswax is completely melted, the mixture is cooled to a room temperature, the extractum is added, and the mixture is mixed evenly to prepare a material I; 35-40 parts of lotus leaves, 15-18 parts of citrus leaves, 12-15 parts of wheat bran, 8-12 parts of Chinese prickly ash leaves, 8-12 parts of cymbopogon citratus, 6-10 parts of bagasse and 4-6 parts of coffee residues are dried, the dried materials are crushed into fine powder, the fine powder is added into a pot to be stir-fried, the stir-fried fine powder is cooled, and the cooled fine powder is mixed evenly with radix puerariae starch to prepare a material II; 5-8 parts of brasenia schreberi and 5-8 parts of fresh gingers are cut into blocks, the blocks are added into a juice squeezer, water at an equal amount of the blocks is added to conduct a squeezing, and the filtrate is a material III; and the edible base is dissolved in the remaining water, then the material I, material II and material III are added, and the mixture is beat until a homogeneous slurry body is formed.

The present invention relates to the technical field of breeding, in particular to a breeding method for Nubian goats; including dynamic management of grass and livestock and feeding management, wherein the dynamic management of grass and livestock is sown according to the ratio of Gramineae to beans at 3:7, and according to The seedlings are grazing according to the length of the seedlings; feeding management adopts different levels of feeding and feeding different feeds. The specific operations are: young goats are fed breast milk, soybean milk, sesame paste, and condensed milk; Feed for feeding; adult goats are fed 1‑1.3kg / day for each feed, fed 3 times a day, and feed 40‑55% of concentrate and 35‑45% of coarse feed by weight, and the balance is Nutrients; pregnant goats are fed with artificial feeding and fed with protein powder. The breeding method of the present invention improves the adaptability and production performance of Nubian sheep, and the lambing rate is increased by 6.9%. Improvement by 9.6%.

The present invention proposes a breeding method between Nubian goat and Hainan black goat. In the present invention, Nubian goat is introduced into Hainan black goat breed for hybridization, and Hainan black goat is used as the female parent and Nubian goat is used as the male parent for hybridization. , carry out cross-crossing among the F1 generation hybrids to obtain the F2 generation cross-cross hybrids, cross the F2-generation cross-cross hybrids as the male parent, and Hainan black goat as the female parent to obtain the F3 generation hybrids, and use the F3 generation hybrids as the female parent The male parent and Hainan black goat were crossed to obtain the F4 generation hybrid, and the excellent female parent of the F4 generation hybrid and the excellent male parent of the F4 generation hybrid were cross-crossed to obtain the F5 generation cross hybrid, closed-breeding , Expansion group. The invention effectively inherits the genetic advantages of Nubian goats such as fast growth, high reproduction rate, delicious meat and high meat yield, and the reproduction rate of ewes is increased from the original 150% to more than 200%. The breeding method of the invention effectively improves the meat yield, growth rate and fecundity of the Hainan black goat.

The invention provides a processing method for recycling of Nubian goat faeces. The method includes: 1) drying of Nubian goat faeces in the sun: naturally drying Nubian goat faeces in the sun to a state that it can be stamped into powder easily; 2) culture medium preparation from the following components by mass: 1.5-2.5 parts of lime, 2-4 parts of calcium superphosphate, 4-6 parts of plant ash, 5-15 parts of rice straw, 5-15 parts of straw, and 45-55 parts of dried Nubian goat faeces; 3) high temperature composting: adopting half pit composting, immersing the rice straw and straw in water for softening, then laying Nubian goat faeces at an interval, also spraying plant ash, calcium superphosphate and lime, then utilizing a two-layer agricultural film to conduct packaging and performing compaction slightly, carrying out natural composting for 1-2 months, turning over the mixture once every three days and sprinkling water appropriately in the first half of the month, and then turning over the mixture once every week without watering; and 4) farmland fermentation: before farmland planting, taking out the composted fertilizer and performing natural cooling to room temperature, laying the fertilizer on the farmland, performing covering with the agricultural film and performing fermentation for 3-5 days, conducting aeration-cooling, then spraying water for sowing, then conducting film covering again, and 3 days later removing the agricultural film.

The invention discloses a method for breeding Nubian goats. The method for breeding the Nubian goats includes the following steps that 1, a place away from residential areas, factory areas and placeswith smoke and harmful gas emissions is selected as a breeding place, a breeding farm is established, and a rest area, a feeding area and an activity area are arranged in the breeding farm, wherein the activity area needs to be spacious and good in ventilation, air permeability and lighting performance; 2, daily management is conducted on the Nubian goats, wherein special fodder for the Nubian goats includes, by weight, 50-80 parts of corn, 20-50 parts of beetroots, 70-100 parts of oldenlandia diffusa, 20-50 parts of aloe, 10-30 parts of seaweed powder, 10-30 parts of sodium chloride, 1-5 parts of stone powder and 2-10 parts of mineral additives. The Nubian goats fed by means of the method for breeding the Nubian goats have strong bodies, high fertility and good tenacity in meat quality, the meat quality is very close to that of wild Nubian goats, and the special fodder for feeding the Nubian goats has no addition of antibiotics, is safe, environmentally friendly and healthy and is efficient antibiotic-free fodder.

The invention relates to a method for cultivating new strains / species of Guizhou black goat meat. The method comprises the following steps: 1) Breeding Guizhou black goats, Nubian goats, and Karaha goats; 2) Obtaining the female parent of Nuhei hybrid F1 1. Kanu hybrid F1 male parent; 3) Obtain Kanu black F2 female parent; 4) Obtain Kanu black F3 male parent and female parent, and fine Kanu black F3 generation is cross-fixed. The present invention uses the BLUP method combined with conventional breeding methods, and through technical means such as synchronous estrus, artificial insemination, superovulation, embryo transfer, etc., finally cultivates Karaha goats, Nubian goats, and Guizhou black goats. 50%, 37.5%, and 12.5% ​​are new meat strains (species), which can fully combine the high meat yield of Kalaha goats, the moderate meat yield of Nubian goats, and the hybrids with strong milking ability Advantages and retention of Guizhou black goat's good meat quality, resistance to rough feeding, and strong stress resistance.

The invention discloses a method for breeding a goat strain for Nubian-Huai meat, which comprises the following steps of: (1) hybridizing Nubian goats serving as male parents and Henan Huai goats serving as female parents, and selecting and keeping excellent female goats from the born F1 generation to form a first-filial generation female goat flock; (2) hybridizing the first-filial generation female goat flock serving as female parents and the Nubian goats serving as male parents to obtain an F2 generation, and selecting and keeping excellent female goats from the F2 generation to form a second-filial generation female goat flock; (3) hybridizing the second-filial generation female goat flock serving as female parents and the Nubian goats serving as male parents to obtain an F3 generation, and selecting and keeping excellent female goats from the F3 generation; (4) mating the excellent female goats selected from the F3 generation and the excellent male goats of the F2 generation to produce a zero generation goat flock of the goat strain for the Nubian-Huai meat; and (5) crossing and fixing the zero generation goat flock of the goat strain for the Nubian-Huai meat to breed the goat strain for the Nubian-Huai meat. The bred goat strain for the Nubian-Huai meat has quick growth and development, reaches over 30 kilograms at six months, and has the advantages of increased physique, improved meat yield and high feed reward.

The invention discloses a method for cultivating a hybrid new line of Guizhou white goat and Nubian goat. An offspring with high meat yield, high fecundity and fast growth rate is obtained through hybridization breeding of Guizhou white goat and Nubian goat, and the offspring with fast growth rate, high fecundity and high meat yield can be obtained by hybridization of the Guizhou white goat and the Nubian goat F1 generation; then the Bainu hybrid sheep is obtained by hybridization of a Guizhou white goat ram and the F1 generation; and finally, the Bainu hybrid sheep is subjected to transversefixation of three generations, and the hybrid line sheep with high fecundity and fast growth can be obtained. The sheep retains the specific advantages of the Guizhou white goat, such as high reproductive rate, light mutton taste, delicious meat and good quality of skin, and inherits the advantages of the Nubian goat, such as tall property, fast growth rate and strong fecundity.