CN110150218A - A kind of drylot feeding type sheep female parent line breeding method - Google Patents
A kind of drylot feeding type sheep female parent line breeding method Download PDFInfo
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- CN110150218A CN110150218A CN201711415787.8A CN201711415787A CN110150218A CN 110150218 A CN110150218 A CN 110150218A CN 201711415787 A CN201711415787 A CN 201711415787A CN 110150218 A CN110150218 A CN 110150218A
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- 241001494479 Pecora Species 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009405 line breeding Methods 0.000 title abstract description 3
- 235000013372 meat Nutrition 0.000 claims abstract description 35
- 238000009395 breeding Methods 0.000 claims description 26
- 235000019687 Lamb Nutrition 0.000 claims description 15
- 108090000623 proteins and genes Proteins 0.000 claims description 15
- 230000001488 breeding effect Effects 0.000 claims description 14
- 238000009396 hybridization Methods 0.000 claims description 11
- 210000000038 chest Anatomy 0.000 claims description 6
- 210000003205 muscle Anatomy 0.000 claims description 4
- 241000145637 Lepturus Species 0.000 claims description 3
- 241000283903 Ovis aries Species 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 claims description 3
- 201000010099 disease Diseases 0.000 claims description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 3
- 238000007665 sagging Methods 0.000 claims description 3
- 230000009897 systematic effect Effects 0.000 claims description 3
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- 230000003387 muscular Effects 0.000 claims description 2
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- 238000011161 development Methods 0.000 abstract description 11
- 230000001850 reproductive effect Effects 0.000 abstract description 5
- 239000008267 milk Substances 0.000 abstract description 3
- 210000004080 milk Anatomy 0.000 abstract description 3
- 235000013336 milk Nutrition 0.000 abstract description 3
- 238000009402 cross-breeding Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 244000144992 flock Species 0.000 description 9
- 230000008774 maternal effect Effects 0.000 description 6
- 238000009313 farming Methods 0.000 description 3
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- 230000006651 lactation Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
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- 238000010396 two-hybrid screening Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
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- Life Sciences & Earth Sciences (AREA)
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- Animal Behavior & Ethology (AREA)
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- Biodiversity & Conservation Biology (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Fodder In General (AREA)
Abstract
The present invention discloses a kind of drylot feeding type sheep female parent line breeding method, is cross-breeding method using tri- kinds of sheep, SA Meat Merino and Du Boyang kind sheep, cultivates the high-quality Mutton Sheep female parent new lines for being suitable for the Northwest's agriculture district drylot feeding.The new lines sheep contains world-renowned sheep variety SA Meat Merino and Du's pool high-quality Meat Performance of sheep, simultaneously the numerous performance of height containing sheep.Male and female sheep is acerous, adaptable, physique is big, growth and development is fast, and meat productivity is high, with good meat quality, Meat Performance is prominent, and adult weight ram reaches 120kg or more, ewe 75kg or more.Ewe milk performance is good, reproductive capacity is high, 200% or more lambing percentage.
Description
Technical field
The invention belongs to animal reproduction breeding technical fields, relate generally to a kind of breeding method of Mutton Sheep new lines.
Background technique
SA Meat Merino is the South Africa Ministry of Agriculture in 1932 for breeding project, introduces German Mutton Merino,
By to meat hair dual-purpose type fine-wool sheep made of the continuous breeding on its wool quality and shape and appearance.The kind sheep physique is big,
Mature early, chest breadth, depth, back waist is straight, and fleshiness, rear quarters physically well develops.Male and female sheep is acerous, and adult ram weight 100~
135kg, grow up 70~85kg of ewe.Under normal feeding and management condition, lambing percentage 130%~160%, maternal instinct is strong, Milking ability
It is good.Under grazing condition, 100 days old lamb weight averages reach 35.0kg, under the conditions of intensive farm, 100 age in days public affairs lamb bodies
Weight average out to 56.0kg.Dressing percentage 50.0~55.0%.China is introduced since the 1990s, be mainly distributed on Xinjiang,
The provinces and regions such as the Inner Mongol, Beijing, Shanxi, Liaoning and Ningxia.
Du Boyang originates in Republic of South Africa.The kind sheep early development is fast, and Dong Ti Shou meat rate is high, fine and tender taste succulence,
Smell of mutton is light, in good taste, particularly suitable for fattening production, is described as " diamond grade " meat of a sheep by the world, has very high economic value.Together
When, the kind sheep slab is thick, and area is big, and dermatotome is fine and close and full of elasticity, is the upper of the high-grade fur clothing of system, furniture and car interior trim etc.
Equal leather materials.
Gansu Province is one of the main sheep raising province of China.Minqin County is located in Hexi Corridor in Gansu northeast, and alkali grass is rich
Richness, produced mutton smell of mutton is light, protein content is high, Fresh & Tender in Texture, is received by the market, in Gansu, Qinghai, the Inner Mongol, Shaanxi
Etc. ground occupy the biggish market share.But with the continuous deterioration of Minqin ecological environment, the development of sheep husbandry and environmental protection
Contradiction is also more and more prominent.When traditional sheep husbandry quickly makes the transition to modernization sheep husbandry, sheep variety resource capacity is low
The problem of as restrict modernization sheep husbandry development important bottleneck, in order to solve this problem, China from foreign countries introduce
Good sheep variety promotes the level of the existing sheep variety in China, has made some progress, has improved to a certain extent
The coverage rate of breeding sheep.Sheep is introduced into the ground such as China Henan, Gansu, Hebei, Shandong, Shanxi, the Inner Mongol, Xinjiang from Jiangsu and Zhejiang Provinces and raises
It supports and obtains good effect but the characters such as there is also disadvantages, and meat figure is slightly worse, and rib cage is not enough opened a business.And pool sheep variety of shutting out
Purebred meat is excellent, but lambing percentage is low.And SA Meat Merino growth and development is fast, lambing percentage is higher, adaptable.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention combines local sheep husbandry development practical, and selection passes through wind in locality
SA Meat Merino, Du Boyang and the sheep kind of soil domestication, carry out the selection cross of three kind sheep complexity, cultivate one
The drylot feeding type sheep new lines that the suitable northwest of kind is raised on a fairly large scale, for the maternal sheep in mutton sheep hybridization production system.
The present invention carries out composite-crossing using two hybrid Populations of sheep and SA Meat Merino, Du Boyang and educates
Kind, on the basis of implementing basic ewe sheep, South African Mutton merino ram and Du pool ram are identified and are assessed,
Set up breeding group.The content of identification and assessment includes: appearance figure, age, weight, the reproductive performance of ewe, stud ram it is outer
Looks figure, age, weight etc..Three steps of main technological route Fen Liangge group: first: being female parent, South African Mutton with sheep
Merino does male parent and is hybridized, and produces South Lake first generation of hybrid sheep F1South Lake, F1South LakeOutstanding ewe carries out miscellaneous with Du Boyang ram
It hands over, produces F2Du NanhuHybridize flock of sheep, as hybridization sheep A.Step 2: doing female parent with sheep, Du Boyang is that male parent progress is miscellaneous
It hands over, production Du lake generation sheep F1Du Hu, composition hybridization sheep B；Step 3: with F2 in A groupDu NanhuF1 in ram and B groupDu Hu
Ewe is hybridized, and raw new lines flock of sheep C is produced.Feeding and management condition is continuously improved to new lines flock of sheep, carries out stringent reason
Think the selection of type individual, carry out natural breeding, Systematic Breeding is finally bred as drylot feeding type sheep new lines, which is used for meat
Sheep hybridizes the maternal sheep in production system, is the wound for being suitble to collection high-quality a meat and polyembryony gene of the raising of this area farming region
New type.
More specifically, this application provides a kind of breeding method of drylot feeding type sheep female parent line, the method includes
Following steps:
(1) hybridized with SA Meat Merino ram with sheep ewe, generate South Lake first generation of hybrid F1South Lake, with described
F1South LakeEwe hybridizes with Du Boyang ram, produces F2Du NanhuHybridize sheep A.
(2) hybridized with sheep ewe with Du pool ram, cultivate F1Du HuHybridize sheep B.
(3) with the F2 cultivated from the group ADu NanhuRam and the F1 cultivated from the group BDu HuEwe hybridization, training
Educate sheep C.
(4) the group C cultivated through step (3) carries out locking breeding, carries out Systematic Breeding, cultivates the sheep new product
System.
In some embodiments, the sheep ewe selection criteria is the combination of two or more in following: sheepshead
Long and narrow, acerous, bridge of the nose protuberance, eye is prominent greatly, and ear is sagging greatly, and neck is elongated, stenothorax, and back is straight, and four limbs are very thin, and tail is in oblate greatly
Shape, tail point upwarp, and grow up sheep weight 55kg or more, whole body white.
In some embodiments, the South African Mutton merino ram selection criteria is two or more in following
Combination: acerous, physique is big, chest breadth, depth, back waist it is straight, fleshiness, rear quarters physically well develops, grow up ram weight 100kg with
On, more than twins, agenosomia official's disease.
In some embodiments, Du's pool ram selection criteria is the combination of two or more in following: physique is big, body
Body approximation is barrel-shaped；Overhead is straight, moderate length, acerous, and volume is wide, bridge of the nose protuberance, and ear is big, slightly hangs down, and neck tubbiness, shoulder breadth is thick,
Shirtfront is plentiful, and back waist is straight, rib bed vault circle；Rear quarters is muscular, and four limbs are shorter and strong, and bone is thinner, muscle evagination；Standing posture
Rectify, long thin tail, public lamb birth weight 5kg, 3 monthly age public affairs lamb weight 35kg, 6 monthly age public affairs lambs weight 60kg, 24 monthly ages weight ram
120kg。
In some embodiments, the F1South LakeEwe selection criteria is the combination of two or more in following: nascent
The weight monthly age of 3kg or more, weaning weight 25kg or more, 6 weight 35kg or more, one full year of life weight 50kg or more, individual are all from twins or more.
In some embodiments, F2Du NanhuHybridize the combination that sheep A selection criteria is two or more in following:
Birth weight 3.5kg or more, 3 monthly age weaning weight 25kg or more, 6 monthly ages weight 40kg or more, one full year of life weight 80kg or more.
In some embodiments, F1Du HuEwe selection criteria is the combination of two or more in following: birth weight
2.5kg or more, 3 monthly age weaning weight 17kg or more, 6 monthly ages weight 35kg or more, one full year of life weight 45kg or more.
In some embodiments, the group CF2 ram selection criteria it is following in two or more combination: it is nascent
Weight 4.0kg or more, 3 monthly age weaning weight 28kg or more, 6 monthly ages weight 50kg or more, yearling weight 100kg or more, individual are all from
It is more than twin lamb(s).
In some embodiments, the group CF2 ewe selection criteria it is following in two or more combination: it is nascent
Weight 3.2kg or more, 3 monthly age weaning weight 25kg or more, 6 monthly age weight 45kg or more, yearling weight 60kg or more, individual is all from
It is more than twin lamb(s).
In some embodiments, the new lines contain 50% Du Boyang gene, 37.5% sheep gene and
12.5% SA Meat Merino gene；Adult weight ram reaches 120kg or more, ewe 75kg or more, lambing percentage 200%
More than.
Beneficial effects of the present invention
One, the new lines contain 50% Du Boyang gene, 37.5% sheep gene and 12.5% South African Mutton
Merino gene.Du pool sheep and SA Meat Merino meat-producing traits are introduced, growth and development is fast, and meat productivity is high, adult body
Weight ram reaches 120kg or more, ewe 75kg or more, significantly improves growth and the meat production of local goats (sheep).
Secondly, the present invention cultivates obtained sheep new lines and continues to keep the numerous character of height of sheep, new lines ewe lactation
Performance is good, reproductive capacity is high, 200% or more lambing percentage.The resistance to crude feed of sheep and adaptable feature are also maintained simultaneously.The new product
System is the high-quality meat of a collection and polyembryony for being suitble to the raising of this area farming region for the maternal sheep in mutton sheep hybridization production system
The Types of Innovation of gene.
Detailed description of the invention
Fig. 1 is new lines breeding technique route of the present invention.
Specific embodiment
Technical solution in order to preferably explain the present invention, is discussed in detail the embodiment of the present invention with reference to the accompanying drawing.With
Lower embodiment should not be construed as further illustrating the present invention to fixation or limitation of the invention.Unless otherwise specified, real
Applying technical characteristic used in example and could alternatively be has equivalent or identity function or effect under the premise of without departing substantially from inventive concept
Other techniques known in the art features.
1 hybridization technique route of embodiment
Following several stages are mainly undergone in the cultivation of new lines.The new lines Cultivating techniques route is as shown in Figure 1.
One, the selection of basic flock of sheep and cluster.
Method: Phenotypic Selection and performance measurement combine.
Sheep ewe selection criteria: requiring according to technology path, selects sheep long and narrow, acerous, bridge of the nose protuberance, and eye is prominent greatly
Out, ear is sagging greatly, and neck is elongated, stenothorax, and back is straight, and four limbs are very thin.Tail is in oblateness greatly, and tail point upwarps, sheep weight of growing up
55kg or more, whole body white ewe form basis female flock of sheep, and sum is up to 800.
South African Mutton merino ram selection criteria: selection is acerous, and physique is big, chest breadth, depth, and back waist is straight, fleshiness,
Rear quarters physically well develops.Grow up ram weight 100kg or more, more than twins, the South African Mutton U.S. benefit of agenosomia official's disease
Slave ram 20.
Du's pool ram selection criteria: selection physique is big, and body body approximation is barrel-shaped.Overhead is straight, moderate length, acerous,
Volume is wide, bridge of the nose protuberance, and ear is big, slightly hangs down, and neck tubbiness, shoulder breadth is thick, and shirtfront is plentiful, and back waist is straight, rib bed vault circle.Rear quarters muscle hair
It reaches, four limbs are shorter and strong, and bone is thinner, muscle evagination.Standing posture is rectified, long thin tail.Public lamb birth weight 5kg, 3 monthly age public affairs lamb bodies
Weight 35kg, 6 monthly age public affairs lambs weight 60kg, 24 monthly ages weight ram 120kg, quantity 16.
Two, A hybridizes sheep generation step.
Hybridized with South African Mutton merino ram with sheep ewe, generates South Lake first generation of hybrid F1South Lake.According to growth and development
Situation is from F1South Lake200 are selected and remain in ewe lamb is only used as F1South LakeStandby ewe forms F1 basis female flock of sheep.F1 ewe selection criteria: just
The raw weight monthly age of 3kg or more, weaning weight 25kg or more, 6 weight 35kg or more, one full year of life weight 50kg or more.Individual is all from twins or more.
Use F1South LakeEwe hybridizes with Du pool ram, produces F2Du NanhuHybridize sheep A.30 outstanding public affairs are selected from flock of sheep
Sheep, selection criteria: birth weight 3.5kg or more, 3 monthly age weaning weight 25kg or more, 6 monthly ages weight 40kg or more, one full year of life weight 80kg with
On.
Three, B hybridizes the production stage of sheep
Hybridized with sheep ewe with Du pool ram, forms F1Du HuHybridize sheep B.F1Du HuEwe selection criteria: birth weight
2.5kg or more, 3 monthly age weaning weight 17kg or more, 6 monthly ages weight 35kg or more, one full year of life weight 45kg or more.
Four, new lines sheep C group incubation step
With the F2 cultivated from A flock of sheepDu NanhuRam and the F1 cultivated from B flock of sheepDu HuEwe hybridization, cultivates CF1South Lake DuSheep
Group zero is from generation to generation.Use CF1South Lake DuRam and CF1South Lake DuEwe hybridization, produces CF2 mutton sheep new varieties.CF2 ram selection criteria: nascent
Weight 4.0kg or more, 3 monthly age weaning weight 28kg or more, 6 monthly ages weight 50kg or more, yearling weight 100kg or more, individual are all from
It is more than twin lamb(s).CF2 ewe selection criteria: birth weight 3.2kg or more, 3 monthly age weaning weight 25kg or more, 6 monthly age weight 45kg with
On, yearling weight 60kg or more, individual is all from twin lamb(s) or more.To the CF2 sheep selected and remain carry out it is stringent educated from mass selection, carry out after
For breeding, constantly reinforcement feeding management makes the sheep new lines cultivated have growth and development fast, and physique is big, and breeding potential is high, suitable
The features such as Ying Xingqiang.
The feature that the new lines have: new lines male and female sheep is acerous, physique is big, growth and development is fast, and meat productivity is high, meat
Good, Meat Performance is prominent, and adult weight ram reaches 120kg or more, ewe 75kg or more, ewe milk performance is good, reproductive capacity is high,
200% or more lambing percentage.It is suitable for scale drylot feeding, for the maternal sheep in mutton sheep hybridization production system.The new lines contain
50% Du Boyang gene, 37.5% sheep gene and 12.5% SA Meat Merino gene.Introduce Du pool sheep and
SA Meat Merino meat-producing traits, growth and development is fast, and meat productivity is high, and adult weight ram reaches 120kg or more, ewe 75kg
More than, significantly improve growth and the meat production of local goats (sheep).
The sheep new lines that the present invention cultivates continue to keep the numerous character of height of sheep, new lines ewe milk performance
Good, reproductive capacity height, 200% or more lambing percentage.The resistance to crude feed of sheep and adaptable feature are also maintained simultaneously.The new lines are used
Maternal sheep in mutton sheep hybridization production system is the high-quality meat of a collection and polyembryony gene for being suitble to the raising of this area farming region
Types of Innovation.
Above each embodiment is only intended to further illustrate the present invention, is not for limiting protection model of the invention
It encloses, it is all obviously to change based on equivalents made by design of the invention and to each technical solution of the invention
Into each falling within protection scope of the present invention.
Claims (10)
1. a kind of breeding method of drylot feeding type sheep female parent line, it is characterised in that: the described method comprises the following steps:
(1) hybridized with SA Meat Merino ram with sheep ewe, generate South Lake first generation of hybrid F1South Lake, with the F1South LakeIt is female
Sheep hybridizes with Du Boyang ram, produces F2Du NanhuHybridize sheep A.
(2) hybridized with sheep ewe with Du pool ram, cultivate F1Du HuHybridize sheep B.
(3) with the F2 cultivated from the group ADu NanhuRam and the F1 cultivated from the group BDu HuEwe hybridization, cultivates sheep
Group C.
(4) the group C cultivated through step (3) carries out locking breeding, carries out Systematic Breeding, cultivates the sheep new lines.
2. the breeding method of drylot feeding type sheep female parent line as described in claim 1, it is characterised in that:
The sheep ewe selection criteria is the combination of two or more in following: sheepshead is long and narrow, acerous, bridge of the nose protuberance, eye
Big prominent, ear is sagging greatly, and neck is elongated, stenothorax, and back is straight, and four limbs are very thin, and tail is in oblateness greatly, and tail point upwarps, sheep body of growing up
Weight 55kg or more, whole body white.
3. the breeding method of drylot feeding type sheep female parent line as described in claim 1, it is characterised in that:
The South African Mutton merino ram selection criteria is the combination of two or more in following: acerous, physique is big, chest
Wide, deep, back waist is straight, and fleshiness, rear quarters physically well develops, and grow up ram weight 100kg or more, more than twins, no life
Grow organ disease.
4. the breeding method of drylot feeding type sheep female parent line as described in claim 1, it is characterised in that:
Du's pool ram selection criteria is the combination of two or more in following: physique is big, and body body approximation is barrel-shaped；Overhead is flat
Directly, moderate length, acerous, volume is wide, bridge of the nose protuberance, and ear is big, slightly hangs down, and neck tubbiness, shoulder breadth is thick, and shirtfront is plentiful, and back waist is straight, rib cage
Arch circle；Rear quarters is muscular, and four limbs are shorter and strong, and bone is thinner, muscle evagination；Standing posture is rectified, long thin tail, public lamb birth weight
5kg, 3 monthly age public affairs lamb weight 35kg, 6 monthly age public affairs lambs weight 60kg, 24 monthly ages weight ram 120kg.
5. the breeding method of drylot feeding type sheep female parent line as described in claim 1, it is characterised in that:
The F1South LakeEwe selection criteria is two or more combination in following: birth weight 3kg or more, weaning weight 25kg with
On, 6 monthly ages weight 35kg or more, one full year of life weight 50kg or more, individual are all from twins or more.
6. the breeding method of drylot feeding type sheep female parent line as described in claim 1, it is characterised in that:
F2Du NanhuHybridize the combination that sheep A selection criteria is two or more in following: birth weight 3.5kg or more, 3 monthly ages
Weaning weight 25kg or more, 6 monthly ages weight 40kg or more, one full year of life weight 80kg or more.
7. the breeding method of drylot feeding type sheep female parent line as described in claim 1, it is characterised in that:
F1Du HuEwe selection criteria is the combination of two or more in following: birth weight 2.5kg or more, 3 monthly age weaning weights
17kg or more, 6 monthly ages weight 35kg or more, one full year of life weight 45kg or more.
8. the breeding method of drylot feeding type sheep female parent line as described in claim 1, it is characterised in that:
The combination of two or more during the group CF2 ram selection criteria is following: birth weight 4.0kg or more, the wean of 3 monthly ages
Weight 28kg or more, 6 monthly ages weight 50kg or more, yearling weight 100kg or more, individual are all from twin lamb(s) or more.
9. the breeding method of drylot feeding type sheep female parent line as described in claim 1, it is characterised in that:
The combination of two or more during the group CF2 ewe selection criteria is following: birth weight 3.2kg or more, the wean of 3 monthly ages
Weight 25kg or more, 6 monthly age weight 45kg or more, yearling weight 60kg or more, individual is all from twin lamb(s) or more.
10. the breeding method of drylot feeding type sheep female parent line as claimed in any one of claims 1-9 wherein, it is characterised in that:
The new lines contain 50% Du Boyang gene, 37.5% sheep gene and 12.5% SA Meat Merino
Gene；Adult weight ram reaches 120kg or more, ewe 75kg or more, 200% or more lambing percentage.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN103404482A (en) * | 2013-08-30 | 2013-11-27 | 洛宁农本畜牧科技开发有限公司 | Highly-productive mutton sheep new strain breeding method |
| CN104186403A (en) * | 2014-04-24 | 2014-12-10 | 河南科技大学 | Cross-breeding method for farmed sheep |
| CN104719258A (en) * | 2015-04-16 | 2015-06-24 | 聊城职业技术学院 | Method and matched fattening fodder for raising novel strain of meat sheep |
| CN106689706A (en) * | 2015-11-16 | 2017-05-24 | 蔺军 | Codonopsis pilosula sheep and breeding method thereof |
| CN106359259A (en) * | 2016-08-26 | 2017-02-01 | 洛宁农本畜牧科技开发有限公司 | Breeding method for novel mutton variety of Hu-sheep |
| CN106857404A (en) * | 2017-03-28 | 2017-06-20 | 吉林农业大学 | A kind of breeding method of northeast cross region between farmland and grassland Mutton Merino new varieties |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111466340A (en) * | 2020-05-15 | 2020-07-31 | 内蒙古杜美牧业生物科技有限公司 | Breeding method and application of new multi-lamb strain with high reproductive capacity |
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