Breeding method of high-quality pork pigs

Through the hybridization and multi-stage selection and retention technology of Neijiang pigs and the additive-based large white pigs, the problems of slow growth rate and low lean meat rate of Neijiang pigs were solved, and a high-quality pig breed suitable for modern market demand was cultivated, which improved its growth and reproductive performance.

CN119867011APending Publication Date: 2025-04-25四川德康农牧食品集团股份有限公司 +2
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Patent Information

Application Number
CN202510204356.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2025-04-25

AI Technical Summary

Technical Problem

Neijiang pigs have problems such as thick skin, slow weight gain, low lean meat rate, low slaughter rate and small litter number, which limit the development of their production potential.

Method used

By selecting and breeding hybrid offspring of Neijiang pigs and the Chinese-type large white pigs, the multi-stage selection and group succession breeding method is used to ensure that the number of group blood ties in each generation is ≥12, and the pig growth rate, feed conversion efficiency and reproductive performance are gradually improved.

Benefits of technology

A new high-quality pig breed has been cultivated, which maintains the excellent meat quality characteristics of Neijiang pigs, and at the same time improves growth rate and feed conversion efficiency, is suitable for modern market demand, and increases slaughtering rate and lean meat rate.

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Abstract

The invention discloses a breeding method of high-quality pork pigs, and belongs to the technical field of livestock breeding. The breeding method comprises the following steps: by taking Nanjiang pigs and Candian large white pigs as materials, performing selection and retention, cross production and multi-stage selection and retention by establishing selection index rating, and performing cross fixation and generation breeding by adopting a group subculture breeding method, thereby obtaining the Nanjiang pigs and the Candian large white pigs. According to the breeding method disclosed by the invention, interspecific hybridization advantages are fully utilized, the bred high-quality pork pigs not only keep excellent meat quality characteristics of the injiang pigs to the greatest extent, but also greatly improve production performance indexes such as growth speed, feed conversion efficiency and lean meat percentage; high-quality commercial pork pigs with white hair characteristics, high growth speed, high breeding efficiency, excellent meat quality and high meat yield are obtained.
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