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Berkshire pig breeding method

A technology for Berkshire pigs and boars, applied in the field of animal genetics and breeding, can solve the problems of low fecundity and high feed remuneration, and achieve the effect of symmetrical structure and excellent meat quality

Inactive Publication Date: 2018-11-06
ANHUI HAOXIANG AGRI & ANIMAL HUSBANDRY +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has the characteristics of excellent meat quality, fast growth, high feed remuneration, thin backfat, high intramuscular fat content, fast growth, and good meat quality, but low fecundity

Method used

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Embodiment Construction

[0015] In order to have a further understanding and understanding of the structural features of the present invention and the achieved effects, the preferred embodiments are used for detailed descriptions, as follows:

[0016] Firstly, the imported Berkshire pigs will be expanded for about 1-2 years, and the size of the core group will eventually reach 300 heads and 8 families. On the basis of population expansion, through production performance measurement and pedigree review, a batch of excellent breeding pigs (including reserve breeding pigs) were selected respectively, and a core breeding group was established, and then the selection and breeding work was carried out to continuously improve the production performance of Berkshire breeding pigs and make them all The production indicators reached the predetermined breeding goals. The breeding pigs of the core group are replaced every 2 years, with an annual renewal rate of 50%. When they are eliminated, excellent reserve bre...

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Abstract

The invention discloses a Berkshire pig breeding method. Boars and sows meeting breeding requirements of varieties and excellent indexes are built into a core group, paternal indexes of the boars TLIare higher than 115, breeding indexes of the sows are higher than 105, and the body appearance of a bred Berkshire pig is characterized in that the head size of the Berkshire pig is moderate, the Berkshire pig is compact in physique and uniform in structure, and a hair color meets six-white characteristics. The body quality of the bred Berkshire pig is characterized in that body lean meat rate is63.5% or more, a mean value of the fat thickness of a living body is 17mm or less, eye muscle area is 45 square centimeter or more, intramuscular fat reaches 3.2% or more, and meat quality is excellent. The reproductive performance of the bred Berkshire pig is characterized in that the number born alive is 8.5, the number of weaning alive is 7.5, and 26-day-old weight of weaning litter is 58kg.

Description

technical field [0001] The invention relates to the field of animal genetics and breeding, and the main purpose is to obtain a breeding method for Berkshire pigs with excellent growth traits such as growth and development, reproductive performance, ketone body quality, appearance and coat color. Background technique [0002] The Berkshire pig is a lean pig breed, produced in Berkshire and its surrounding areas in the United Kingdom. The modern Berkshire pig has a long and wide body, a short nose and a concave face, erect or slightly forward ears, deep chest and wide hips, and black coat. , and has the characteristics of "six whites" (the nose, broom and extremities are white). Adult boars weigh about 400 kg, and sows weigh about 370 kg. It has the characteristics of excellent meat quality, fast growth, high feed remuneration, thin backfat, high intramuscular fat content, fast growth, and excellent meat quality, but its fecundity is low. Contents of the invention [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/02
CPCA01K67/02
Inventor 高亚成顾有方李升和殷宗俊陈景民郭奎王重龙徐小伟姚红光蒋广志宋磊
Owner ANHUI HAOXIANG AGRI & ANIMAL HUSBANDRY
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