Breeding method for Songliao black pig boars

A technology for black pigs and breeding pigs, applied in the field of live pig breeding, can solve problems such as inability to understand information, and achieve the effects of increasing daily weight gain, improving efficiency and accuracy, and increasing growth speed.

Inactive Publication Date: 2014-02-05
吉林曙光农牧有限公司
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Problems solved by technology

In the prior art, the sensory judgment and evaluation method is often used for the selection of Songliao black pig breeding pigs, that is, the pigs are determined based on the body shape and appearance of the pigs. This sensory judgment and evaluation method has certain limitations on the selection of breeding pigs and cannot learn more about

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  • Breeding method for Songliao black pig boars
  • Breeding method for Songliao black pig boars

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Embodiment Construction

[0009] The method of the present invention will be further described in detail below.

[0010] The breeding method of breeding pigs of the present invention includes the primary appearance selection based on the sensory judgment of the shape and appearance of Songliao black pigs. For example, it is required that the external genitalia of breeding sows should have no obvious defects. Evenly spaced, well-developed teats, healthy body, well-developed structure, fast growth, bright fur, wide and long back, large hindquarters, plump body, and have correct limbs and hooves to walk easily, etc.; requirements for boars as a whole The structure should be well-proportioned, the head and neck, forequarters, middle and hindquarters should be naturally and well combined, the head is big and wide, the neck is short and thick, the eyes are sharp, the chest is wide and deep, the back is straight, the waist is long, and the abdomen is moderate in size. Wide and large hips, thick tail root, cur...

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Abstract

The invention provides a breeding method for Songliao black pig boars. The method comprises the following steps that the appearance primary breeding is carried out according to the sensory judgment on the body form and the appearance of Songliao black pigs; the re-breeding is carried out by using the IGF-1 content in the blood of the primarily bred pigs as the judgment basis; the first blood IGF-1 content detection is carried out when the age of the boars to be bred is 10 weeks; the second blood IGF-1 content detection is carried out when the age of the boars to be bred is 20 weeks; the results in the twice detection are added; and the pigs with the relatively higher blood IGF-1 content sum in the twice detection are selected to be used as the Songliao black pig boars. The method has the advantages that the breeding efficiency and the accuracy of the Songliao black pig boars are improved, and later generations of the selected Songliao black pig boars have the advantages that the daily gain after the ablactation is high, the growth speed is high, and the like.

Description

technical field [0001] The invention relates to pig breeding technology, in particular to a method for breeding pigs Background technique [0002] Songliao black pig is a local breed of pig with independent intellectual property rights bred by the Animal Husbandry Branch of Jilin Academy of Agricultural Sciences. It is the first lean-meat black female breed in northern my country. Low, cold resistance and strong disease resistance and other advantages. In the prior art, the sensory judgment and evaluation method is often used for the selection of Songliao black pig breeding pigs, that is, the pigs are determined based on the body shape and appearance of the pigs. This sensory judgment and evaluation method has certain limitations on the selection of breeding pigs and cannot Get more in-depth information. Contents of the invention [0003] The technical problem to be solved by the invention: to provide a breeding method of Songliao black pigs, which improves the efficiency...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/027
Inventor 崔爽欧阳铁山葛润生董颖姜海龙朱信刚
Owner 吉林曙光农牧有限公司
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