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Cultivation method of beef cattle hybridized by Charolais cattle, Simmental cattle and local cattle

A breeding method and cow technology, applied in the field of hybrid Xiaxiben beef cattle breeding, can solve the problems of not fully utilizing heterosis among beef cattle breeds, achieve excellent growth speed, accelerate genetic progress, and reduce workload

Inactive Publication Date: 2018-07-06
SICHUAN AGRI UNIV
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Problems solved by technology

Due to the limitation of workload and time, the first three breeds independently bred in my country can only implement binary hybridization, which does not make full use of the heterosis among beef cattle breeds

Method used

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  • Cultivation method of beef cattle hybridized by Charolais cattle, Simmental cattle and local cattle
  • Cultivation method of beef cattle hybridized by Charolais cattle, Simmental cattle and local cattle
  • Cultivation method of beef cattle hybridized by Charolais cattle, Simmental cattle and local cattle

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Embodiment Construction

[0034] The implementation of the present invention will be described in detail below with examples, so as to fully understand and implement the implementation process of how the present invention uses technical means to solve technical problems and achieve technical effects.

[0035] The invention discloses a method for cultivating hybrid Xiaxiben beef cattle, such as figure 1 shown, including the following steps:

[0036] Step 1, select the Tongjiang yellow cattle cow (F0) with good body shape and fast growth rate as the female parent;

[0037] Specifically, the individual phenotype selection of Tongjiang yellow cattle adopts the animal model BLUP method, and uses the 12-month-old bust (x1), body length (x2) and weight (x3) as indicators to develop a comprehensive selection index for the selection of new breeds of cattle , according to the principles of econometrics, calculate the marginal benefit, determine the economic weighting factor of the comprehensive selection index,...

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Abstract

The invention discloses a cultivation method of beef cattle hybridized by Charolais cattle, Simmental cattle and local cattle. The method includes: selecting a Tongjiang cow as the female parent; performing superovulation on the Tongjiang cow; selecting Simmental breeding bull sperm to perform artificial insemination; collecting the embryo of the Tongjiang cow; selecting a Charolais surrogacy cowto perform embryo transplantation; detecting 2 genotypes related to the growth traits of a first-filial-generation cow; selecting an F1-generation cow as the female parent; performing superovulation on the F1-generation cow; selecting Simmental breeding bull sperm to perform artificial insemination; collecting the embryo of the F1-generation cow; selecting the first-filial-generation cow to perform embryo transplantation; detecting 2 genotypes related to the growth traits of a second-filial-generation individual; selecting the cattle, which is good in body shape and growth speed and has dominant genotypes, hybridized by Charolais cattle, Simmental cattle and local cattle, and using the artificial insemination, superovulation and embryo transplantation technologies to expand propagation. Bythe method, the workload of scientific and technical personnel can be lowered, and cultivation time can be shortened.

Description

technical field [0001] The invention belongs to the technical field of beef cattle cultivation, and in particular relates to a method for cultivating hybrid Xiaxiben beef cattle. Background technique [0002] For a long time, my country's yellow cattle have been mainly used for service, and no specialized beef cattle breeds have been cultivated. Therefore, the performance of my country's yellow cattle is significantly lower than that of foreign specialized beef cattle breeds. Since the reform and opening up, the degree of agricultural mechanization in my country has been continuously improved and the demand for beef cattle consumption has continued to increase. It is urgent to develop the meat performance of Chinese cattle breeds. Since the 1980s, my country has continuously introduced foreign specialized meat breeds to improve our local cattle breeds, hoping to improve their meat performance while maintaining the adaptability and high-quality meat quality of our local cattl...

Claims

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Application Information

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IPC IPC(8): A01K67/02
CPCA01K67/02
Inventor 陈仕毅贾先波赖松家王杰胡深强
Owner SICHUAN AGRI UNIV
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