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Breeding method for Jiangquan white Duroc pigs

A technology for white pigs and sows, applied in applications, animal feed, animal feed, etc., can solve the problems of slow growth and poor feed utilization, and achieve the effects of speeding up the breeding process, improving the level of science and technology, and promoting the progress of animal husbandry technology

Inactive Publication Date: 2014-11-12
HUASHENG JIANGQUAN GROUP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, hybrid commercial pigs containing 50% local pig bloodlines or more than 50% bloodlines are not popular with producers, meat processing enterprises and pig consumers because of their fatter carcasses, slow growth rate and poor feed utilization efficiency

Method used

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  • Breeding method for Jiangquan white Duroc pigs
  • Breeding method for Jiangquan white Duroc pigs
  • Breeding method for Jiangquan white Duroc pigs

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Experimental program
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Effect test

Embodiment 1

[0024] A method for breeding three-way hybrid pigs, characterized in that

[0025](1) Using Yimeng black pigs as the male parent and Luyan white pig as the female parent, crossbreed to produce Yilu dual hybrid sows, then take Su Bai pig boar as the terminal male parent, cross with Yilu binary sows to produce Jiangquan Baidu pig;

[0026] (2) Fermentation of feed: Fermentation of main food materials: 35 parts of soybean meal, 30 parts of wheat bran, 30 parts of soybean flour, 20 parts of bran, 30 parts of hogwash, 3 parts of salt, and 1 part of compound bacterial solution (the above ratio is by weight). Mix and stir the above ingredients evenly, and adjust the humidity of the mixed material to 55-60%, pile it into a pile with a height of no more than 1 meter, width and length, and cover it with a plastic film for anaerobic fermentation for 3-6 days , to obtain fermented feed for hybrid pigs;

[0027] Wherein the composite bacterial liquid is: according to the Eastern Issatche...

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Abstract

The invention belongs to the field of animal genetic breeding and animal feeding production. Particularly, Yimeng black pigs serve as male parents, Shandong Yantai white pigs serve as female parents, Yimeng-Shandong two-way cross sows are produced through hybridization, and then Soviet white boars serve as terminal male parents to be hybridized with the Yimeng-Shandong two-way sows to produce the Jiangquan white Duroc pigs; the weight of the individual pig is 1.38 kilograms at birth, 9 kilograms after ablactation after 28 days and 20 kilograms at 60 days of age. The daily gain within the fattening period is 800 grams, the feed conversion ratio is 2.7, the lean meat percentage is 62%, and the intramuscular fat ratio is 3.8%. Performances of growth, development, breeding and the like of the Yimeng black pigs are greatly improved, and the method is broad in application prospect.

Description

technical field [0001] The invention relates to a breeding method for Jiangquan Baidu pigs, and belongs to the fields of animal genetics and breeding and animal feeding and production. Background technique [0002] Using different breeds or strains to hybridize and utilizing their hybrid advantage is an important measure to improve the production performance of commercial pigs and develop pig production. Yimeng black pigs are produced in the border area of ​​Yinan, Yishui, and Juxian counties in the north of Linyi, Shandong Province. In 1982, Yimeng black pigs were included in the "Chinese Pig Breeds" compiled by the Ministry of Agriculture, and officially became a representative pig in my country. local varieties. Yimeng black pig has the characteristics of "black body, full money top, ears covered, double back". The fecundity is high, the average litter size is more than 13, the growth rate and fattening performance are outstanding, the weight at six months is 67 kg, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/027A23K1/14A23K1/00A23K1/18
Inventor 沈自泉许家骐秦士林唐辉宋孝涛刘平董立才董晓华
Owner HUASHENG JIANGQUAN GROUP
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