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34 results about "Dorper sheep" patented technology
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Highly-productive mutton sheep new strain breeding method
The invention mainly relates to a highly-productive mutton sheep new strain breeding method. According to the method, Hu sheep are used as female parents, small tailed Han sheep are used as male parents, and the Hu sheep and the small tailed Han sheep are hybridized to obtain first filial generation Hu-Han sheep; first filial generation Hu-Han ewes are used as female parents, Dorper sheep are used as male parents, and the first filial generation Hu-Han ewes and the Dorper sheep are hybridized to obtain second filial generation Hu-Han-Dorper sheep; then, second filial generation Hu-Han-Dorper ewes and Dorper rams are hybridized to obtain third filial generation sheep; the third filial generation sheep are crossbred fixedly for three generations to breed a highly-productive mutton sheep new strain. The sheep new strain obtained according to the highly-productive mutton sheep new strain breeding method is large in physique, fast in growth and development and high in mutton production rate, and has a pure black head; the weight of a grown ram reaches above 90 kg, the weight of a grown ewe reaches above 60 kg, and the lambing rate reaches above 200 %; the sheep new strain is strong in adaptability and suitable for drylot feeding and fat lamb production development. The highly-productive mutton sheep new strain has the advantages of strong adaptability and high lambing rate of the Hu sheep and the small tailed Han sheep and further has the advantages of being enlarged in physique, fast in growth and development, good in table purpose body type, enhanced in mutton productivity, and good in mutton quality.
Owner:洛宁农本畜牧科技开发有限公司
Method for breeding new strain for Yuxi fatty-tailed mutton
The invention discloses a method for breeding a new strain for Yuxi fatty-tailed mutton. The method breeds the new strain for the Yuxi fatty-tailed mutton by performing three-way cross of Yuxi fatty-tailed sheep, Borderdale sheep and Dorper sheep and performing selective breeding and propagation with an individual phenotypic selection method and a trait detection technique for meat. The new strain for the Yuxi fatty-tailed mutton bred by the breeding method keeps the advantage of the Yuxi fatty-tailed sheep, and has excellent wool characteristic of the Borderdale sheep and ideal meat physical characteristic of the Dorper sheep. Compared with the Yuxi fatty-tailed sheep, the new strain has the advantages of high lambing rate which can reach over 150 percent, high growth and development, large physique (the weight of the adult male sheep can reach over 55 kilograms and the weight of the female sheep can reach over 40 kilograms), high meat yield, good meat quality and strong adaptability, and is suitable for barn feeding and development of fat lamb production.
Owner:HENAN UNIV OF SCI & TECH
Breeding method of new meat-type strain of small tailed han sheep
The invention discloses a breeding method of a new meat-type strain of small tailed han sheep. The small tailed han sheep are used as female parents, and white head Suffolk sheep are used as male parents for introductive hybridization to produce a second generation sheep flock to obtain a Sahan second generation sheep flock; then, first generation Duhan sheep produced by hybridizing white head Dorper sheep varieties with the small tailed han sheep are used as female patients; Australian white sheep are used as terminal male parents for producing Aoduhan second generation through hybridization; then, the sahan second generation female sheep are hybridized with the Aoduhan second generation male sheep to produce Saduaohan new strains; finally, through optimization combination and cross hybridization fixation, the new strain of meat-type small tailed han sheep is obtained through breeding. The obtained new strain has the advantages that the growth and development speed is high; both the meat and milk purposes can be achieved; the body shape is good; the hair in the whole body is white; the applicability is high; the polyembryony property of the small tailed han sheep is realized; the lambing percentage of the female sheep is 200 percent or above; the body weight of the adult male sheep reaches 100kg or higher; the body weight of the adult female sheep reaches 70kg or higher.
Owner:洛宁农本畜牧科技开发有限公司
Breeding method of Linzhou local sheep new strains
The invention discloses a breeding method of Linzhou local sheep new strains, which takes a Linzhou local sheep as a female parent, takes a small tailed Han sheep, a Dorper sheep and a Charolais as male parents to carry out three way cross, so the Linzhou local sheep new strains are obtained. Because the Linzhou local sheep is taken as the female parent, the small tailed Han sheep, the Dorper sheep and the Charolais are taken as the male parents to carry out the three way cross, so the Linzhou local sheep new strains are obtained and are heavier than the local sheep by over 12%, the price of feed is improved by more than 10%, the meat performance is improved by more than 26%, and the meat quality is tender.
Owner:LINZHOU YIXIN ANIMAL HUSBANDRY PROFESSIONAL COOP
Breeding method for new strain of meat and fur coat dual-purpose good-breed small-tailed han sheep
InactiveCN104855333AIncrease reproductive rateImprove lactation performanceAnimal husbandryF1 generationDual purpose
The invention discloses a breeding method for a new strain of meat and fur coat dual-purpose good-breed small-tailed han sheep and belongs to the field of animal breeding. Small-tailed han ewes and tan rams hybridize, the tan rams and German merino ewes hybridize, and dorper rams and the German merino ewes hybridize to obtain an F1 generation of sheep which are called as han-tan sheep, merino-tan sheep and merino-dorper sheep; the excellent han-tan ewes and the merino-tan rams are selected from the F1 generation of sheep to hybridize, and the excellent merino-tan rams and the merino-dorper ewes are selected form the F1 generation of sheep to hybridize to obtain an F2 generation of sheep which are called as han-merino-tan sheep and merino-tan-dorper sheep; the excellent han-merino-tan ewes and the merino-tan-dorper rams are selected from the F2 generation of sheep to hybridize again to obtain an F3 generation of sheep; the ewes and the rams of the F3 generation are crossbred to obtain a first crossbred generation of sheep, and through performing closed breeding and propagation expanding on the first crossbred generation, the new strain of meat and fur coat dual-purpose good-breed small-tailed han sheep is obtained. The new strain of bred good-breed small-tailed han sheep are high in reproduction rate and growth speed at an early stage and high in quality of meat and fur coats.
Owner:HUINING JINFENGWANG LIVESTOCK BREEDING CO LTD
Method for cultivating new strain of meat type large-tailed han sheep
InactiveCN102524181AStrong reproductive abilityHigh meat yieldAnimal husbandryBiotechnologyAnimal science
A method for cultivating a new strain of meat type large-tailed han sheep includes: using female Henan large-tailed han sheep as female parents and using male Suffolk sheep and male Dorper sheep as male parents; subjecting the female parents and the male parents to hybridization and crossing; and cultivating the new strain of meat type large-tailed han sheep according to phenotypic selection. Themethod is simple and high in meat production rate, meat is fresh and delicious, and the method is suitable for production of fat lambs. The new strain obtained by the method has phenotypic characteristics: physical tallness, average height being 80cm, and large chest width being 110cm averagely; straight back and waist, full hindquarter, strong limbs, and firm muscle; tail being above a hock; male lamb birth weight being larger than 4.5kg, 6-month-old lamb weight being larger than 40kg, and backfat thickness being smaller than 0.5cm; female lamb birth weight being larger than 4.3kg, 6-month-old lamb weight being larger than 36kg, and backfat thickness being smaller than 0.5cm; and female sheep lamping rate being larger than 190%.
Owner:HENAN UNIV OF SCI & TECH
SNP (Single Nucleotide Polymorphism) marker of dorper sheep as well as screening method and application thereof
ActiveCN107142326AImprove accuracyOvercoming flawsMicrobiological testing/measurementScreening methodPeak value
The invention discloses an SNP (Single Nucleotide Polymorphism) marker of a dorper sheep as well as a screening method and application thereof. According to the screening method, based on the specific SNP marker of the dorper sheep, the SNP typing analysis is carried out by adopting a pyrosequencing method, a sanger sequencing method, a gene chip method or time-of-flight mass spectrometry; whether a to-be-tested variety is the dorper sheep or not is authenticated. The authenticity authentication method of a variety, which is provided by the invention, compared with a conventional measurement method, is simple and convenient to operate, is free from the interference between sites, and is suitable for high-throughput operation. The SNP marker is based on a pyrosequencing technique and has quite high accuracy; the authentication work of the variety can be completed within 5h; the result is determined easily; an authentication result can be directly read out from the peak value of a visible light signal.
Owner:内蒙古中科正标生物科技有限责任公司 +2
Farming model of three-way cross-bred sheep
The invention discloses a farming model of three-way cross-bred sheep. The farming model of three-way cross-bred sheep comprises the steps: (1) hybridizing Hulunbeier sheep and small-tailed Han sheep to obtain Hu-Han sheep; (2) hybridizing the Hu-Han sheep with Dorper sheep to obtain Dorper-Hu-Han sheep. Experimental results show that by utilizing the farming model of three-way cross-bred sheep, the Hu-Han sheep has high productivity and prolificacy, inherits high reproductivity of the small-tailed Han sheep and can provide weaned lambs for Dorper-Hu-Han sheep. The Dorper-Hu-Han sheep inherits not only the features of Hulunbeier sheep, such as high meat quality, good tolerance to crude feed, strong adaptability and high disease resistance, but also the features of the Dorper sheep, such as high weight-gaining speed. The numbers of pure bred sheep, two-way cross-bred sheep and three-way cross-bred sheep are allocated reasonably, and the farming model of 'three births in two years and two lambs per birth' is achieved. Meanwhile, grassland bearing capacity is lowered and a grassland ecology is protected. The farming model of three-way cross-bred sheep has important value.
Owner:张志刚 +1
Fat lamb breeding method
InactiveCN107242194ALarge number of lambsGrow fastFood processingAnimal feeding stuffBranched chain fatty acidsNutritional deficiency
The invention mainly relates to the technical field of breeding, and discloses a fat lamb breeding method. The method comprises the steps of parent lamb hybridization, material addition before ablactation, an earlier fattening stage, a medium fattening stage and a later fattening stage. The method is simple, convenient to implement, short in breeding time and capable of achieving slaughtering 15-20 days ahead of schedule, the breeding period is shortened, the smell of mutton is light, mutton is tender and contains little fat which is only 14.2%, the selling price of fat lamb is obviously increased, and the economic income is increased by 17.3%; the fat lamb is obtained by hybridization of dorper sheep and boer goat, the litter size is large, growth is rapid, the adaptability is high, mutton is tender, breeding is facilitated, and manpower and material resources are saved; before ablactation, creep feed is added, the ewe lactation yield is decreased, nutritional deficiency is caused, ablactation of lamb is performed 5-10 days ahead of schedule, formation of branched fatty acid inside the lamb can be reduced, and the smell of mutton is diluted.
Owner:合肥合丰牧业有限公司
Astragalus sheep and breeding method thereof
InactiveCN107173304AReduce the prevalenceReduce the smellFood processingAnimal feeding stuffManganeseCobalt
The invention relates to astragalus sheep. The astragalus sheep is characterized by being formed by feeding diet combination feed containing astragalus residue, corn, soybean meal, wheat bran, trace elements (iron, copper, zinc, manganese, selenium, iodine and cobalt), vitamins (VA and VD3 powder), stone powder, table salt, flax residue and alfalfa meal, and the astragalus sheep variety selects a binary and multiple cross sheep formed by hybridizing an ewe in small tailed han sheep and a mutton breed ram of polled dosert sheep, Suffolk sheep, texel, Dorper sheep and merino sheep as a breeding sheep. By adopting the invention, the prevalence rate of the sheep is reduced, the constitution of the sheep is improved, and the survival rate and growth rate of the sheep are increased; meanwhile, the contents of necessary amino acids and polyunsaturated fatty acids (especially arachidonic acid and EPA) in mutton are increased, so that the mutton has an important health function; the contents of three odor-forming substances, namely caprylic acid, hexanoic acid and capric acid, are lowered, and the odor of the mutton is obviously reduced; and sensory qualities such as broth quality, slicing property and taste are obviously better than those of the mutton sold in a general market, and nutritional values of the mutton are improved.
Owner:蔺军
Dorper sheep hybridization breeding method based on agricultural economy
InactiveCN107361013APreserve the breed advantageLow costFodderArtificial inseminationAgricultural economy
The invention discloses a Dorper sheep hybridization breeding method based on agricultural economy. The method includes the steps that 1, with a black-head Dorper sheep as the first-generation male parent and a local small-tail Han sheep as the first-generation female parent, prolificacy testing is conducted on the female parent, and then artificial insemination is conducted to obtain a first filial generation f1; 2, with the black-head Dorper sheep as the second-generation male parent and the first filial generation f1 obtained in step 1 as the second-generation female parent, hybridization is conducted to obtain a second filial generation f2, and prolificacy testing is conducted; 3, with the black-head Dorper sheep as the third-generation male parent and the second filial generation f2 obtained in step 2 as the third-generation female parent, hybridization is conducted to obtain a third filial generation f3, and prolificacy testing is conducted; 4, high-quality sheep are selected from the third filial generation f3 obtained in step 3 for hybrid mating and parent consolidation to obtain hybrid sheep. The Dorper sheep hybridization breeding method has the advantages that with the black-head Dorper sheep as the male parent and the small-tail Han sheep as the female parent, progressive purification is conducted three times, and then hybrid mating and parent consolidation are conducted, so that the variety advantages of the black-head Dorper sheep are maintained; by adopting microbiologically-treated straw compound mixed concentrate, the feed cost is greatly reduced.
Owner:谢萍
Method for breeding new Hu-sheep strain for high-quality meat
InactiveCN105104297AImprove reproductive performanceGood meat production performanceAnimal husbandryBiologySelection method
The invention discloses a method for breeding a new Hu-sheep strain for high-quality meat. According to the method, hybridization and intercrossing are carried out with female Hu-sheep as female parents and male dorper sheep as male parents, and by means of the phenotypic selection method and the meat performance trait detection technology, the new Hu-sheep strain is bred through selection and propagation. The new Hu-sheep strain obtained through the breeding method keeps reproductive performance of the Hu-sheep and has good meat performance of the dorper sheep. The average lambing rate of the new Hu-sheep strain can be 260%, the average weight of six-month-old male sheep is 42.8 kg, the average weight of female sheep is 34.2 kg, the average slaughtering rate is 51.5%, and the pure meat percentage is 40%.
Owner:YANGZHOU UNIV
SNP (single nucleotide polymorphism) marks of Yuxi fat-tailed sheep as well as screening method and application of SNP marks
InactiveCN107090515AImprove accuracyOvercoming flawsMicrobiological testing/measurementDNA/RNA fragmentationTime-of-flight mass spectrometryHigh flux
The invention discloses SNP (single nucleotide polymorphism) marks of Yuxi fat-tailed sheep as well as a screening method and an application of the SNP marks. SNP genotyping analysis is performed according to specific SNP marks of Dorper sheep with a pyrosequencing method, a sanger sequencing method, a genechip method or time-of-flight mass spectrometry, and whether an experimental variety is the Dorper sheep or not is identified. Compared with a conventional determination method, the variety authenticity identifying method is simple and convenient to operate, free of interference among loci and suitable for high-flux operation. Based on the pyrosequencing method, the method has very high accuracy, variety identification can be finished in 5 h, result judgment is simple and an identification result can be directly read according to signal peaks of visible light.
Owner:KUNMING INST OF ZOOLOGY CHINESE ACAD OF SCI +2
Dorper sheep breeding method
InactiveCN105994146AMeet nutritional needsFeeding method is reasonableFood processingAnimal feeding stuffZoologyGrowing sheep
The invention discloses a Dorper sheep breeding method. The method has the advantages that a breeding mode is reasonable, nutrient requirements of sheep are fully met, good-quality sheep are sorted during breeding sheep selection, and breeding quality is ensured.
Owner:TONGLING DONGSHENG ECOLOGICAL AGRI SCI & TECH CO LTD
Breeding method of new breeds of Huanghuai mutton sheep
The invention relates to a breeding method of a new breed of Huanghuai mutton sheep. The method includes taking Dorper sheep as male parents and taking small tailed han sheep or small tailed han sheephybrid sheep as female parents to perform hybridization; and breeding the new breed of mutton sheep which are high in reproduction rate, fast in early growth rate, high-quality in meat and suitable for breeding at Huanghuai areas through hybrid innovation, crossing fixation and group expanding propagation. The weights of the adult rams of the new breed Huanghuai mutton sheep can reach 98.1 kg, and the weight of the ewes can reach 71.7 kg; the fattening weights of 6-month-old rams and ewes are respectively 58.50 kg and 52.45 kg; the dressing percentage of the 6-month-old fattening rams and ewes are respectively 56.02% and 53.19%; and the annual lambing rate of the ewes is 252.82%, and the number of weaned lambs provided by the ewes per year is 2.38. Through the on-site examining and approving of National Livestock and Poultry Breed Committee in 2019, powerful support can be provided for the enhancement of self-sufficiency rate of core provenance of Chinese mutton sheep, the developmentquality benefit and competitiveness of mutton sheep breeding industries and the development of modern mutton sheep industries; and therefore, the method has good economic and social benefits.
Owner:HENAN UNIV OF ANIMAL HUSBANDRY & ECONOMY
Crossbreeding method for Tan sheep and Dorper sheep
InactiveCN110859155AOvercome small sizeOvercome the cycleAnimal feeding stuffAccessory food factorsMedicineArtificial insemination
The invention discloses a crossbreeding method for Tan sheep and Dorper sheep. The crossbreeding method includes the following steps: a. taking the Tan sheep as female parents and the Dorper sheep asmale parents to carry out crossbreeding, and performing artificial insemination to obtain F1-generation hybrids; and b, selecting excellent female parents and male parents from the F1-generation hybrids to carry out crossbreeding. In the method, the Tan sheep and the Dorper sheep are respectively selected as the female parents and the male parents to carry out crossbreeding, the excellent female parents and the excellent male parents are selected from the F1-generation hybrids, crossbreeding is performed to obtain F2-generation crossbred hybrids, excellent female parents in the F2-generation crossbred hybrids are crossbred with male Dorper sheep to obtain F3-generation crossbred hybrids, excellent female parents and male parents are selected from the F3-generation crossbred hybrids, crossbreeding is performed to obtain F4-generation crossbred hybrids, fixed populations are obtained through continuous crossbreeding of three generations, the genetic advantages of the Dorper sheep, including rapid growth, tall body and high environmental adaptability, are effectively inherited, and accordingly, the problems of small size and long breeding period of the Tan sheep are solved.
Owner:宁夏宁羴源牛羊肉有限公司
A kind of breeding method of new strain of high-breeding meat sheep
Owner:洛宁农本畜牧科技开发有限公司
Special compound bacterium preparation for hybrid mutton sheep and preparation method of special compound bacterium preparation
InactiveCN110699281AReduce manufacturing costSimple and fast operationFungiBacteriaBiotechnologyStaphylococcus lactis
The invention provides a special compound bacterium preparation for hybrid mutton sheep. The compound bacterium preparation comprises the following microorganisms of bacillus subtilis, bacillus amyloliquefaciens, lactococcus lactis, bifidobacterium bifidum, lactobacillus acidophilus, candida utilis, saccharomyces cerevisiae and aspergillus oryzae. The special compound bacterium preparation for hybrid mutton sheep is non-toxic, free from drug tolerance, and free from residues. The quality of F1 generation hybrid mutton sheep of pure blackhead Dorper sheep and small-tailed han sheep is notably improved, and the dressing percentage and the body meat yield are increased.
Owner:潍坊普兰特汉种羊有限公司
Breeding method for male parent strain of stall-fed type mutton sheep
InactiveCN108207789AImprove body shape for meatStrong lambing rateAnimal husbandryDorset sheepBiology
Owner:LANZHOU UNIVERSITY
Breeding method for a new strain of small tail cold mutton
The invention discloses a breeding method of a new meat-type strain of small tailed han sheep. The small tailed han sheep are used as female parents, and white head Suffolk sheep are used as male parents for introductive hybridization to produce a second generation sheep flock to obtain a Sahan second generation sheep flock; then, first generation Duhan sheep produced by hybridizing white head Dorper sheep varieties with the small tailed han sheep are used as female patients; Australian white sheep are used as terminal male parents for producing Aoduhan second generation through hybridization; then, the sahan second generation female sheep are hybridized with the Aoduhan second generation male sheep to produce Saduaohan new strains; finally, through optimization combination and cross hybridization fixation, the new strain of meat-type small tailed han sheep is obtained through breeding. The obtained new strain has the advantages that the growth and development speed is high; both the meat and milk purposes can be achieved; the body shape is good; the hair in the whole body is white; the applicability is high; the polyembryony property of the small tailed han sheep is realized; the lambing percentage of the female sheep is 200 percent or above; the body weight of the adult male sheep reaches 100kg or higher; the body weight of the adult female sheep reaches 70kg or higher.
Owner:洛宁农本畜牧科技开发有限公司
A kind of breeding method of house-feeding sheep female parent strain
Owner:LANZHOU UNIVERSITY
Method for cultivating new strain of meat type large-tailed han sheep
InactiveCN102524181BImprove reproductive abilityHigh meat yieldAnimal husbandryBiotechnologyAnimal science
A method for cultivating a new strain of meat type large-tailed han sheep includes: using female Henan large-tailed han sheep as female parents and using male Suffolk sheep and male Dorper sheep as male parents; subjecting the female parents and the male parents to hybridization and crossing; and cultivating the new strain of meat type large-tailed han sheep according to phenotypic selection. Themethod is simple and high in meat production rate, meat is fresh and delicious, and the method is suitable for production of fat lambs. The new strain obtained by the method has phenotypic characteristics: physical tallness, average height being 80cm, and large chest width being 110cm averagely; straight back and waist, full hindquarter, strong limbs, and firm muscle; tail being above a hock; male lamb birth weight being larger than 4.5kg, 6-month-old lamb weight being larger than 40kg, and backfat thickness being smaller than 0.5cm; female lamb birth weight being larger than 4.3kg, 6-month-old lamb weight being larger than 36kg, and backfat thickness being smaller than 0.5cm; and female sheep lamping rate being larger than 190%.
Owner:HENAN UNIV OF SCI & TECH
A kind of hybrid breeding method of new line of Kenong mutton sheep
Owner:洛宁农本畜牧科技开发有限公司
A kind of hybrid breeding method of Nongben sheep
The invention relates to a hybrid breeding method of Nongben sheep, which belongs to the field of breeding methods for new strains of animals. The breeding method uses Hu sheep as the female parent and Dorper sheep as the male parent to carry out crossbreeding to produce F1 generation flocks; use F1 generation ewes and Hu sheep Hybridization of sheep and rams, F1 generation rams and Hu sheep ewes are crossed to produce F2 generation sheep flocks, self-breeding of F2 generation sheep flocks, sub-breeding, and finally a new strain of Nongben sheep; the cultivated Nongben sheep This new breed of sheep maintains the basic shape and appearance characteristics of Hu sheep. It has a large body, full muscles in the forequarters and hindquarters, fast growth and development, and high meat production rate. The adult weight of rams is over 90 kg, and ewes are 60 kg. Above, the reproduction rate is over 220%, with strong adaptability, suitable for barn feeding and development of fat lamb production.
Owner:洛宁农本畜牧科技开发有限公司
Ternary hybrid mutton sheep production method
The invention discloses a ternary hybrid mutton sheep production method, which comprises: 1, setting a small tailed han sheep pure breeding group as a control group, setting an experiment group, adopting small tailed han sheep as a female parent, adopting Australian white sheep, Dorper sheep and Charolai sheep as male parents, and carrying out hybridization to produce three binary hybrid mutton sheep; 2, selecting ewes of high-quality binary hybrid mutton sheep as female parents, and hybridizing the female parents with Australian white sheep, Dorper sheep and Charolai sheep respectively to generate six kinds of ternary hybrid mutton sheep; and 3, screening out an optimal hybridization combination from the six ternary hybridization combinations through production performance analysis and comparative study. The Australian summer cold ternary hybrid mutton sheep finally obtained by the method has the advantages of high growth speed, large slaughtering weight, high slaughtering rate, low feed conversion ratio and the like, a new method is provided for quickly producing mutton sheep in batches, and the requirements of modern people on high-quality mutton can be met in time.
Owner:唐山市畜牧技术推广站
Molecular biological method for breeding high-quality mutton sheep
ActiveCN111979338AAccurate identificationSpeed up the breeding processMicrobiological testing/measurementDNA/RNA fragmentationBiotechnologyIntramuscular fat
The invention belongs to the fields of molecular biology and molecular breeding, and concretely provides an SNP molecular marker related to mutton quality traits on a PDK4 gene of Dorper sheep, a detection method of the molecular marker and application of the method to improvement of mutton quality and breeding of high-quality mutton sheep varieties. The molecular marker is a polymorphic site at the 95th site of an exon 4 of a PDK4 gene and is marked as G95T. Statistical analysis shows that the molecular marker G95T is significantly related to mutton quality traits, especially the intramuscular fat content, the muscle fiber diameter and the water loss rate. Therefore, in the mutton sheep breeding process, fresh, tender and juicy GT type or TT type individuals can be selected in an auxiliary way through the SNP molecular marker, so that the high-quality mutton sheep breeding process is accelerated.
Owner:黑龙江省农业科学院畜牧兽医分院
Health-care feed for hybrid F1 generation of dorper sheep and small-tailed Han sheep at lamb period, and preparation method of health-care feed
InactiveCN108308416AIncrease production capacityPromote growth and developmentFood processingAnimal feeding stuffBetaineAnimal science
The invention discloses a health-care feed for hybrid F1 generation of dorper sheep and small-tailed Han sheep at the lamb period, and a preparation method of the health-care feed. The feed consists of corn, alfalfa, soybean meal, rapeseed meal, whey powder, betaine, puffed soybeans, chenopodium quinoa straw, enveloped sodium butyrate, dicalcium phosphate, an acidulant, table salt, a yeast culture, paper mulberry tree leaves, a premix for sheep, licorice roots, radix astragali, acanthopanax gracilistylus, enveloped calcium chloride, cassava residues, vegetable oil, lysine, methionine, soybeanphospholipid and a traditional Chinese medicine premix. The health-care feed is prepared through balanced collocation of all materials containing required nutrient components specially according to the growth characteristics and the nutrient requirements of the hybrid F1 generation of dorper sheep and small-tailed Han sheep at the lamb period, and can guarantee balanced nutrients and high digestibility of hybrid F1 generation lambs of dorper sheep and small-tailed Han sheep in the growth process, the health level of intestinal tracts of the lambs can be effectively improved, the immunity of lamb organisms can be enhanced, the production properties of sheep lambs can be enhanced, and the sheep lambs can well adapt to the breeding condition of the local area.
Owner:GANSU AONONG FEED TECH CO LTD
Culture method of central Shandong mutton sheep polyembryony strains
InactiveCN108967359AHigh reproductive rateIncrease production capacityFood processingAnimal feeding stuffAnimal scienceF1 generation
The invention discloses a culture method of central Shandong mutton sheep polyembryony strains. The culture method includes the steps: (1) selecting dorper sheep carrying FecB genes as a male parent,and selecting Hu sheep carrying FecB genes as a female parent to form a breeding group; (2) hybridizing the dorper male sheep and the Hu female sheep to obtain a dorper-Hu F1 generation; (3) selectingexcellent female sheep from the dorper-Hu F1 generation, and hybridizing the excellent female sheep with the dorper male sheep to obtain a dorper-Hu F2 generation; (4) selecting excellent female sheep from the dorper-Hu F2 generation, and hybridizing the excellent female sheep with the dorper male sheep to obtain a dorper-Hu F3 generation; (5) selecting excellent male sheep from the dorper-Hu F2generation, and crossing and fixing the excellent male sheep and excellent female sheep in the dorper-Hu F3 generation to obtain a crossing fixed group; (6) locking, breeding and propagating the crossing fixed group to finally obtain the central Shandong mutton sheep polyembryony strains. The Hu sheep serving as a local variety and the dorper sheep serving as an introduced mutton sheep variety arehybridized to culture the mutton sheep polyembryony strains which are high in reproductive rate, high in growth speed, excellent in meat quality and adaptable to environment climatic conditions in Chinese central Shandong regions.
Owner:LAIWU YINGTAI ORGANIC AGRI TECH DEV
Method for breeding polyembryonic mutton sheep by utilizing hybridization of Tibet-Han ewes
The invention relates to the technical field of ruminant breeding, and discloses a method for breeding polyembryonic mutton sheep by utilizing hybridization of Tibet-Han ewes. The method comprises thefollowing steps that 1) hybridization is carried out to obtain F1-generation Tibet-Han-dorper hybrid sheep with the Tibet-Han ewes as female parents and purebred dorper sheep as male parents; 2) hybridization is carried out to obtain F2-generation Tibet-Han-dorper hybrid sheep with the F1-generation Tibet-Han-dorper hybrid sheep as female parents and the purebred dorper sheep as male parents; and3) the F2-generation Tibet-Han-dorper hybrid sheep obtained in the step 2) are subjected to four-generation transverse mating and fixing to obtain a new strain of the Tibet-Han-dorper polyembryonic mutton sheep. The new target variety (line) of the Tibet-Han-dorper hybrid sheep are obtained through transverse mating and fixing of the F2-generation Tibet-Han-dorper hybrid sheep, so that the obtained new line contains genes with high growth speed, good meat production performance, high meat yield, coarse feeding resistance and high adaptability of the dorper sheep and genes with polyembryony, fine meat quality and good flavor of the Tan-Han ewes.
Owner:宁夏宇泊科技有限公司
Method for breeding new strain for Yuxi fatty-tailed mutton
The invention discloses a method for breeding a new strain for Yuxi fatty-tailed mutton. The method breeds the new strain for the Yuxi fatty-tailed mutton by performing three-way cross of Yuxi fatty-tailed sheep, Borderdale sheep and Dorper sheep and performing selective breeding and propagation with an individual phenotypic selection method and a trait detection technique for meat. The new strain for the Yuxi fatty-tailed mutton bred by the breeding method keeps the advantage of the Yuxi fatty-tailed sheep, and has excellent wool characteristic of the Borderdale sheep and ideal meat physicalcharacteristic of the Dorper sheep. Compared with the Yuxi fatty-tailed sheep, the new strain has the advantages of high lambing rate which can reach over 150 percent, high growth and development, large physique (the weight of the adult male sheep can reach over 55 kilograms and the weight of the female sheep can reach over 40 kilograms), high meat yield, good meat quality and strong adaptability, and is suitable for barn feeding and development of fat lamb production.
Owner:HENAN UNIV OF SCI & TECH
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