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Breeding method of a new breed of Huanghuai mutton sheep

A breeding method and technology of new varieties, applied in animal husbandry and other fields, can solve the problems of low lambing rate and achieve the effects of high utilization rate, fast growth and development, and high resistance to rough feeding

Active Publication Date: 2022-03-29
HENAN UNIV OF ANIMAL HUSBANDRY & ECONOMY
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AI Technical Summary

Problems solved by technology

The only disadvantage of this breed is that the lambing rate is low, and the lambing rate is only 100% under intensive breeding conditions

Method used

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  • Breeding method of a new breed of Huanghuai mutton sheep
  • Breeding method of a new breed of Huanghuai mutton sheep
  • Breeding method of a new breed of Huanghuai mutton sheep

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Embodiment 1

[0047] Example 1: A breeding method for a new variety of Huanghuai mutton sheep, through three types of interbreeding innovation (2003-2010), group locking and cross-fixation (2011-2017) and group expansion breeding (2018 to early 2019). developed in stages.

[0048] (1) Hybrid innovation stage

[0049] Taking Dorper sheep as the male parent and purebred Small-tailed Han sheep or small-tailed Han sheep as the female parent, crossbreed to obtain the first generation of hybrid Du Han sheep F 1 ; Then take the Dorper sheep as the male parent, and cross a generation of Du Han sheep F 1 As the female parent, crossbreed to obtain the second-generation Duhan sheep F 2 ;

[0050] (2) Transversal fixation stage

[0051] Hybrid second-generation Du Han sheep F 2 Self-crossing, and then after 3-4 generations of cross-crossing, optimization;

[0052] (3) Group multiplication stage: Heterogeneous matching is carried out according to the disadvantages of the group, and then multiplica...

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Abstract

The invention relates to a breeding method for a new variety of Huanghuai mutton sheep. Dorper sheep are used as the male parent, and Small-tailed Han sheep or small-tailed Han sheep hybrid sheep are used as the female parent for hybridization. In the first stage, a new breed of meat sheep with high reproductive rate, fast early growth speed, excellent meat quality and suitable for breeding in the Huanghuai area was bred. The weight of adult rams of the new breed of Huanghuai mutton sheep is 98.1kg, and the weight of ewes is 71.7kg. The annual lambing rate of ewes is 252.82%, and the number of weaned lambs per ewe is 2.38 per year. This breed passed the on-site examination and approval by the National Livestock and Poultry Breeds Committee in 2019. It will improve the self-sufficiency rate of China's mutton sheep core breeds, the quality, efficiency and competitiveness of the development of the mutton sheep breeding industry, and provide strong support for the development of the modern mutton sheep industry. social benefits.

Description

technical field [0001] The invention relates to a method for cultivating a new breed of mutton sheep, belonging to the field of animal breeding, and in particular to a method for cultivating a new breed of meat sheep adapted to the Huanghuai region. Background technique [0002] A perfect breed breeding system is the prerequisite for the industrialization of mutton sheep, and together with forage resources, environmental conditions and traffic location constitute the necessary conditions for mutton sheep breeding. At present, the breeding system of mutton sheep breeds in China is to breed specialized breeds (strains) for meat, which conforms to the traditional breeding mode. The development of the modern mutton sheep industry must have two essential conditions: high reproductive rate and fast early growth rate. However, a high reproductive rate and a fast early growth rate are two opposite indicators in the biological field. A high reproductive rate has a slow early growth ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/02
CPCA01K67/02
Inventor 权凯韩浩园魏红芳尹慧茹李志明李君哈斯赵金艳张道江张新记
Owner HENAN UNIV OF ANIMAL HUSBANDRY & ECONOMY
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