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Breeding boar selection method

A technique for boars, breeds

Inactive Publication Date: 2019-04-23
朱桂华
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Purpose of the invention: Aiming at the deficiencies of the above-mentioned prior art, a method for selecting boars is proposed to solve the problem of poor quality of introduced boars and affecting the efficiency of raising pigs

Method used

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Embodiment Construction

[0020] The present invention will be described in further detail below with specific examples. It should be noted that the above examples are only used to illustrate the technical solutions of the present invention rather than limit them. Those of ordinary skill in the art may make other modifications or Equivalent replacements, as long as they do not deviate from the spirit and principle of the technical solution of the present invention, shall be included in the scope of the claims of the present invention.

[0021] Develop a boar introduction plan. According to the actual situation of the farm's equipment, facilities, technical level, etc., determine the breed, weight and quantity of the breeding boars to be introduced. At the time of delivery, the ratio of male and female pigs is 1:20 to 25 heads, so as to avoid that individual boars cannot be used. The growth indicators of boars are: 30-100 kg, daily gain of 850-1000 g, lean meat rate of more than 60%, and backfat of abo...

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Abstract

The invention discloses a breeding boar selection method, which comprises the following steps: according to the actual condition of a farm, a breeding boar introduction plan is made, and the variety,weight and quantity of introduced breeding boars are determined; preparation work before breeding boar introduction is fully done, including knowing about epidemic situation, investigating and choosing a target pig breeding farm and observing the local environment; a farm, the breeding boar semen quality of which is checked, is chosen; and breeding boars, the body shape and appearance of which meet the male characteristics of the variety, which develop well, the three-generation pedigree of which is clear and which can produce a considerable quantity of piglets with matching sows, are selected. Compared with the prior art, the selection method disclosed by the invention has the following beneficial effects: breeding boars, the performance and body shape of which are better and which can better meet the requirement of the market, are introduced, more living pigs with higher quality can be produced, and the economic benefit of pig raising is increased.

Description

technical field [0001] The invention relates to a selection method for breeding pigs, in particular to a selection method for breeding boars. Background technique [0002] In industrialized pig farming, breeding pigs are regarded as machines for producing and feeding piglets, feed is the raw material, and live pigs are the product. For industrialized pig farms with a certain scale, if they want to achieve balanced production all year round and have a reasonable sow population structure, the key to pig production is to select good breeding pigs. [0003] The service life of boars is generally controlled at 2 years, and the annual renewal rate of boars is 25% to 30%. Breeding boars with the following conditions should be eliminated: low libido, gilts that have not improved after training and drug treatment; boars with testicular organic lesions (swelling, atrophy); poor semen quality, low breeding conception rate , boars with few litters; boars who have suffered from parvovi...

Claims

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Application Information

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IPC IPC(8): A01K67/02
CPCA01K67/02
Inventor 朱桂华
Owner 朱桂华
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