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Crossbreeding method for increasing intramuscular fat content of pig

An intramuscular fat and cross-breeding technology, applied in animal husbandry and other directions, can solve the problems of growth performance and lean meat rate ignoring intramuscular fat content, etc., and achieve the effects of high intramuscular fat content, strong reproductive ability, and improved growth performance.

Inactive Publication Date: 2018-03-06
辽宁德宝农牧集团有限公司
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AI Technical Summary

Problems solved by technology

[0002] Pork is the most consumed meat in China. For many years, people have bred many strains by introducing foreign pigs according to their needs. However, the existing breeding technology often pursues growth performance and lean meat percentage one-sidedly and ignores muscle. An important indicator of fat content

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0028] Embodiment 1 A kind of cross-breeding method that improves pig intramuscular fat content

[0029] The new American Duroc (EB5) boar with high intramuscular fat content selected from the New American Duroc is used as the male parent, and the high-yield Large White pig selected from the purebred Large White sow is used as the female parent, and the first-generation hybrid females are produced by mating. Pigs: Select the white hybrid offspring of the first-generation sows and cross them with the New American Duroc boars to breed commercial pigs with 75% EB5 blood.

Embodiment 2

[0030] Embodiment 2 A kind of cross-breeding method that improves pig intramuscular fat content

[0031] The Xinmei Duroc (EB5) boar with high intramuscular fat content bred by the Xinmei Duroc is used as the male parent, and the high-yielding Landrace pig bred by purebred Landrace sows is used as the female parent, and the first-generation hybrid females are produced by mating. Pigs: Select the white hybrid offspring of the first-generation sows and cross them with the New American Duroc boars to breed commercial pigs with 75% EB5 bloodlines.

Embodiment 3

[0032] Embodiment 3 A kind of cross-breeding method that improves pig intramuscular fat content

[0033] New American Duroc (EB5) boars with high intramuscular fat content bred by New American Duroc were used as male parents, and binary sows produced by crossing purebred Landrace boars and purebred Large White sows were selected The high-yielding sows bred were used as female parents, and the first generation of hybrid sows were mated; the white hybrid offspring of the first generation of hybrid sows were selected and then crossed with New American Duroc male pigs to breed commercial pigs with 75% EB5 pedigree.

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Abstract

The invention relates to the technical field of hybrid breeding, and discloses a hybrid breeding method for increasing fat content in pig muscle. The specific technical solution is to select Xinmei Duroc (EB5) as the male parent, and Large White, Landrace or both hybrid pigs as the female. Originally, crossbreeding was carried out, and the first-generation hybrid sows (50% EB5) were selected and then crossed with Xinmei Duroc (EB5) boars. The offspring produced were commercial pigs (75% EB5) with high intramuscular fat content. The offspring are fed with targeted feed for fattening. The intramuscular fat content is not significantly different from that of Xinmei Duroc, but the growth cycle is shorter than that of Xinmei Duroc, the feed remuneration is high, and the meat quality and flavor are unique. The breeding procedure of the invention is simple, the economic benefit is improved, the breeding cost is reduced, and the utilization and popularization are convenient.

Description

technical field [0001] The invention relates to a breeding method for raising pigs, in particular to a cross-breeding method for increasing the intramuscular fat content of pigs. Background technique [0002] Pork is the most consumed meat in China. For many years, people have bred many strains by introducing foreign pigs according to their needs. However, the existing breeding technology often pursues growth performance and lean meat percentage one-sidedly and ignores muscle. An important indicator of fat content. Traditional meat quality improvement methods mostly use Duroc pigs as the male parent and local pig breeds as the female parent to carry out crossbreeding. Although the intramuscular fat content of the crossed F1 generation has increased, but the backfat is thick, the growth rate is slow, and the feed conversion rate is poor. The invention uses the new American Duroc EB5 to cross with foreign high-quality breeding pigs such as Large White and Landrace. The fat co...

Claims

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Application Information

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IPC IPC(8): A01K67/02
CPCA01K67/02
Inventor 郭福来张勇李晓丽高原于治姣蒋超群
Owner 辽宁德宝农牧集团有限公司
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