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Breeding method for four-generation lean pig

A technology for lean meat and seed preservation, applied in animal husbandry and other directions, can solve the problems of poor muscle fat content and meat flavor, low disease resistance, and low feed remuneration, and achieve economic benefits, food safety, and disease resistance. and the effect of improving stress resistance and litter size

Inactive Publication Date: 2018-11-06
ANHUI HAOXIANG AGRI & ANIMAL HUSBANDRY +2
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Problems solved by technology

Pigs bred by these methods have many problems, such as small litter size, low disease resistance, low feed remuneration, poor muscle fat content and meat flavor, etc.

Method used

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  • Breeding method for four-generation lean pig

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Embodiment Construction

[0012] Through the description of the embodiments below, the specific implementation of the present invention includes the shape, structure, mutual position and connection relationship between the various parts, the function and working principle of each part, the manufacturing process and the operation and use method of the various components involved. etc., to make further detailed descriptions to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concepts and technical solutions of the present invention.

[0013] (1) The high-yield Yorkie pigs bred from large Yorkshire pigs are used as the female parent, the high-yield Landrace pigs selected from Landrace pigs are used as the female parent, and the grown-up binary pigs formed by hybridization are used as parental sows;

[0014] (2) Breeding Duroc pigs with fast growth speed and Berkshire pigs to breed Duroc pigs as parent boars;

[0015] (3) The parental sows and parenta...

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Abstract

The invention discloses a breeding method for a four-generation lean pig. The method comprises the following steps: using a high-yield Yorkshire sow bred from a Yorkshire sow as a maternal line femaleparent, using a high-yield Landrace pig bred from a Landrace pig as a maternal line male parent, and using a grown second-generation pig hybridized by the high-yield Yorkshire sow and the high-yieldLandrace pig as a progenitor sow; breeding a Duroc pig with a rapid growing speed from the Duroc pig, hybridizing with a Berkshire pig, and selecting a filial generation and fixing crossing, breedingby generations to form a hybrid pig with a pure color gene, namely a Duba pig is a progenitor boar; enabling the progenitor sow to be hybridized with the progenitor boar, to obtain a parent-generationsow.

Description

technical field [0001] The invention relates to the field of animal reproduction and breeding, in particular to a four-element lean pig breeding method. Background technique [0002] Landrace pigs, Yorkshire pigs, and Duroc pigs are famous lean-meat pigs in the world, and they are also the main breeding breeds currently promoted in my country. In production, landrace pigs are often used as the male parent to cross with the large Yorkie pig female parent, and the offspring "Long × Big" dual hybrid sow is selected as the female parent, and the Duroc boar is used as the terminal male parent for crossing, and the "Duroc" is obtained. × long × large” three-way hybrid offspring are used as commercial meat pigs, usually called “outer three-way”. In many cases, the Landrace and Yorkie are interchangeable, so that the Landrace is the female parent and the Large Yorkie is the female parent. "Wai Sanyuan" has the advantages of good growth performance, high feed conversion efficiency,...

Claims

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Application Information

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