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Hybridization and improvement method for Chinese simmental cattle

A kind of Simmental cattle, excellent technology, applied in the field of animal breeding, can solve problems such as milk and meat production performance degradation

Inactive Publication Date: 2016-11-09
内蒙古自治区通辽市科左后旗农牧业局
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, at present, the generation number of the core group of Chinese Simmental cattle has reached 7 generations, so the similarity rate between the blood of Chinese Simmental cattle in Tongliao area and the blood of purebred Simmental cattle is very high, making Chinese Simmental cattle The production performance of milk and meat is degraded

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0030] Step 1, take the Chinese Simmental as the female parent, select the Charolais as the male parent, and take the frozen semen of the Charolais male parent to breed the Chinese Simmental female parent for crossbreeding to obtain offspring called Xiaza. One generation of cattle, the blood content of Charolais cattle in Xiaza generation cattle is 50%, and the blood content of Chinese Simmental cattle in Xiaza generation cattle is also 50%.

[0031] After the male parent of Charolais cattle was crossed with the female parent of Chinese Simmental cattle, the weight of Xiaza generation cattle increased significantly. out. Compared with ordinary cattle, the fattening period of Xiaza generation cattle is shortened to 6-12 months, thereby speeding up the turnover of cattle, increasing the slaughter rate of cattle, reducing the pressure on grass pastures, and transforming from headstock animal husbandry to benefit-oriented animal husbandry.

[0032] The blood content of purebred S...

Embodiment 2

[0038] Step 1, take the Chinese Simmental as the female parent, select the Red Holstein as the male parent, and take the frozen semen of the Red Holstein male parent to breed the Chinese Simmental female parent for crossbreeding to obtain offspring called Red Holstein. The blood content of red Holstein cattle in the first generation of red Hezai cattle is 50%, and the blood content of Chinese Simmental cattle in the first generation of Xiaza cattle is also 50%.

[0039] Step 2, select a cow with excellent milk properties in the first generation of Hongheza cattle, carry out recurrent crossbreeding with the male parent of the Red Holstein cattle, and adopt the frozen semen of the male parent of the Red Holstein cattle to breed the female parent of the first generation of Hongheza cattle, The resulting offspring are called Hongheza second-generation cattle, which is a new line of dairy cattle. Among them, the blood content of Red Holstein cattle in the second generation of Hongh...

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Abstract

The invention discloses a hybridization and improvement method for Chinese simmental cattle. The Chinese simmental cattle serve as female parents, cattle except for the Chinese simmental cattle are selected as male parents, seminal fluid of the male parents is taken for mating with the female parents for hybridization, and filial generations are obtained; cows with excellent characters in the filial generations are selected and subjected to rotational crossing with the male parents till a new strain with excellent characters is obtained. According to the hybridization and improvement method for the Chinese simmental cattle, the similarity between blood of the Chinese simmental cattle and blood of purebred simmental cattle can be reduced, the phenomenon of degradation of the production performance of the Chinese simmental cattle is effectively controlled, and the new strain of the simmental cattle with excellent meat type or milk type or meat and milk type characters is bred.

Description

technical field [0001] The invention belongs to the technical field of animal breeding, and in particular relates to a hybridization improvement method of Chinese Simmental cattle. Background technique [0002] Simmental cattle have the characteristics of large physique, fast growth, more muscle and less fat, and their meat and milk performance are good. Chinese Simmental cattle are mainly produced in the Tongliao area. During the breeding process of this breed of cattle, Mongolian cattle or Sanmeng hybrid cattle are used as the female parent, and purebred Simmental cattle are used as the male parent. Variety. [0003] However, at present, the number of generations of the Chinese Simmental core group has reached 7 generations. Therefore, the similarity rate between the blood of Chinese Simmental cattle in Tongliao area and the blood of purebred Simmental cattle has been very high, which makes the Chinese Simmental cattle blood similar. The production performance of milk an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/02
CPCA01K67/02
Inventor 舍布格巴雅斯胡李宝山
Owner 内蒙古自治区通辽市科左后旗农牧业局
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