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A kind of hybrid production method of high-quality pig

A production method and high-quality technology, applied in animal husbandry and other directions, can solve problems such as difficulty in walking, low lean meat rate and feed conversion rate, etc., and achieve the effect of increased eye muscle area, high fecundity performance, and obvious marbling characteristics.

Active Publication Date: 2020-04-03
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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Problems solved by technology

[0003] Compared with high-yielding lean-meat pig breeds, domestic local pig breeds are famous for their germplasm characteristics such as resistance to rough feeding, anti-stress, large litter size, good meat color, high fat content, and good flavor. And feed conversion rate is low, it is difficult to go through in commodity production

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  • A kind of hybrid production method of high-quality pig
  • A kind of hybrid production method of high-quality pig
  • A kind of hybrid production method of high-quality pig

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Embodiment Construction

[0017] The present invention takes Zhejiang Zhongbai pig, Jiaxing black pig and Berkshire pig as parental resources, successively establishes binary and ternary hybridization production systems, and develops the comprehensive meat production performance evaluation of hybrid offspring growth, carcass and meat quality. For details, see figure 1 .

[0018] 1) Using Zhejiang Zhongbai pig with Jinhua bloodline as the female parent and Jiaxing Black pig as the male parent to produce Jia-Zhejiang binary hybrid pigs.

[0019] The specific technical plan is as follows: (1) Select 30 multiparous sows (2-3 litters) of Zhejiang Zhongbai pigs, purchase the semen of 7 pedigree boars from the local sperm supply station in Jiaxing, and use artificial insemination for crossbreeding. (2) Record the coat color of the offspring, measure the birth weight, weaning weight, age at 30kg body weight, age at 100kg body weight, backfat thickness at 100kg body weight, eye muscle area and estimated lean me...

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Abstract

The invention relates to a pig hybrid production method. A hybrid production method for high-quality pigs, the method comprising the following steps: 1) using Zhejiang Zhongbai pigs containing Jinhua pig lineage as the female parent and Jiaxing black pigs as the male parent to produce Jia-Zhejiang binary hybrid pigs; 2) using Jiaxing pigs Zhejiang two-way hybrid pigs are the female parent and Berkshire pigs are the male parent to produce Bajia-Zhejiang three-way hybrid pigs. The growth rate and lean meat rate of the offspring of the three-way hybrid of the present invention are 5-10% better than those of the two-way cross between Jiazhe and Zhejiang, especially the eye muscle area increased by 30%; 3‑4% (ideal meat quality level), the marbling feature is very obvious, which combines the meat quality characteristics of Berkshire pigs and domestic local pig breeds.

Description

technical field [0001] The invention relates to a pig hybrid production method. Background technique [0002] Looking back on nearly half a century of hard work, the commercial pigs in the world are almost covered by high-yielding lean pig hybrids such as Duroc, Landrace, and Large White. This has made a huge contribution to meeting people's demand for pork production, and it has also led to a further distance from the "fresh and tender" feeling of pork in memory. With the continuous improvement of people's living standards today, people begin to pay more attention to the quality, flavor and nutritional safety of pork. [0003] Compared with high-yielding lean-meat pig breeds, domestic local pig breeds are famous for their germplasm characteristics such as resistance to rough feeding, anti-stress, large litter size, good meat color, high fat content, and good flavor. And feed conversion rate is low, it is difficult to get through in commodity production. By gathering high...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/02
CPCA01K67/02
Inventor 徐子伟门小明邓波陶新齐珂珂冯尚连李永明刘淑杰吴杰
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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