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Selection and breeding method of special wild pigs

A kind of breeding pig and special technology, applied in the field of pig raising, can solve the problems of low reproductive capacity and poor performance of special mountain pig breeding pigs, and achieve the effect of improving disease resistance, improving immunity and rich nutrition

Active Publication Date: 2015-04-01
四川惠远农牧科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The invention provides a method for breeding special boar boars, which solves the problems that the existing boar breeding focuses on bloodline selection, and the obtained special boar boars have low reproductive ability and poor performance.

Method used

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  • Selection and breeding method of special wild pigs

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Experimental program
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Effect test

Embodiment 1

[0043] A method for selecting and breeding special mountain pig breeding pigs, comprising the following steps:

[0044] (1) Pedigree standards of breeding pigs: select individuals whose pedigree content is 62.5% of wild boar blood and 37.5% of lean pig blood as screening breeding pigs;

[0045] (2) Primary selection: according to the coat color, appearance, growth and physical condition, the primary selection will be carried out after the piglets are weaned and transitioned through the nursery period. The details are as follows:

[0046] Coat color and appearance characteristics: the whole body is gray-black-brown, the head is wedge-shaped, the forehead is wide, the mouth is straight and long, the ears are moderate in size and slightly tilted forward, the neck length is moderate and well integrated, and there are manes growing, and the body structure is compact , Broad and deep chest, straight back and waist, well-developed muscles, strong physique, strong limbs, black or gray...

Embodiment 2

[0055] It is basically the same as Example 1, except that the feed during the breeding process, in terms of weight percentage, includes 66% corn, 16% wheat bran, 7% soybean meal, 2% fish meal, 3% corn gluten meal, and 3.3% puffed blood meal. %, bone meal 2%, multivitamins 0.05%, multi-trace elements 0.1%, mold remover 0.1%, probiotics 0.15%, salt 0.3%.

Embodiment 3

[0057] It is basically the same as Example 1, except that the feed during the breeding process, in terms of weight percentage, includes 68% corn, 15% wheat bran, 6% soybean meal, 2.5% fish meal, 3.3% corn gluten meal, and 3.5% puffed blood meal. %, bone meal 1%, multivitamins 0.05%, multi-trace elements 0.1%, mold remover 0.1%, probiotics 0.2%, salt 0.25%.

[0058] The special boar pigs bred by the breeding method adopted in the present invention are genetically stable, sows can be in estrus all year round, with an annual output of more than 2 litters, an average live birth of more than 20 piglets, strong disease resistance, and a body weight of 20kg or later Seldom get sick, the survival rate of piglets is as high as 95%. The wild boars produced by the breeding pigs selected by the invention can participate in mating when the reserve breeding pigs weigh 90 kg at the age of 8 months, and the commercial fattening pigs can reach 90-100 kg at the age of 9 months before being slau...

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Abstract

The invention relates to a selection and breeding method of special wild pigs. The selection and breeding method of the special wild pigs includes following steps: (1) selecting breeding pigs according to a blood standard: selecting individuals which have 62.5% of wild pig blood and 37.5% of lean type pig blood as the breeding pigs to be screened according to blood content; (2) performing primary selection: performing the primary election according to hair color, appearance, growth and physique conditions of piglets after the piglets are weaned and experience a nursery transition period; (3) performing secondary selection: performing the secondary selection when the selected piglets are four months old, selecting pigs which are high in feed utilization rate, quick in growth and development, normal in development of reproductive organs, powerful in female parent lactation performance, healthy and free of disease, and strong in physique, and individually have more than 6 pairs of effective teats as breeding pigs; (4) performing third selection: performing the third selection when the breeding pigs selected in the step 3 are 6 months old, and selecting pigs which are high in feed utilization rate, quick in growth and development, and normal in development of reproductive organs as final breeding pigs. By using the selection and breeding method of the special wild pigs, the special wild pigs which are selected and bred are stable in heredity, a sow of the special wild pigs can bear more than two litters one year, the average number born alive is larger than 20, and the special wild pigs are strong in disease resistance, and rarely sick after the weight of the special wild pigs reaches 20kg.

Description

technical field [0001] The invention relates to a method for breeding special boar boars, which belongs to the field of pig breeding. Background technique [0002] Wild boar, also known as wild boar, has a very wide distribution range. Wild boars in China are mainly distributed in the three northeastern provinces, Yunnan-Guizhou, Fujian, and Guangdong. On the one hand, the number of purebred wild boars has been drastically reduced due to factors such as human hunting and the sharp reduction of living environment space, and has been listed as an endangered species by many countries. However, purebred wild boars have slow growth, light weight, limited number of wild boars, thick meat, thick skin, poor meat taste, etc. It is not suitable for simple domestication and promotion, and wild boars are in estrus seasonally, with few litters, and are not easy to raise. . And people seek wild game and improve taste and the requirement for nutritional value is constantly increasing. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/02A23K1/18A23K1/16A23K1/14
CPCA01K67/02
Inventor 汪辉政
Owner 四川惠远农牧科技有限公司
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