Breeding method for novel polyembryony variety of mutton sheep

A new breed of sheep technology, applied in animal husbandry, etc., can solve the problems of high production cost of meat sheep, affect the economic benefits of sheep breeding, and low reproductive rate of high-quality meat sheep, so as to improve the reproductive rate and promote industrialization Effect of production and reduction of breeding quantity

Inactive Publication Date: 2015-05-06
魏世年
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] For a long time, the reproductive rate of high-quality meat sheep has been low, resulting in high production costs of meat sheep, which has affected the economic benefits of sheep farming to a certain extent

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] The breeding method of a new breed of multiple fetuses for meat sheep includes the following steps in sequence:

[0011] ① Select the basic group of sheep for multiple births from the sheep for meat;

[0012] ② Perform closed breeding of the selected multiple-feet sheep basic herd;

[0013] ③From step ②, select the excellent individuals of the first and second litters of the ewes who have more lambs in the first and second litters from step ② and establish a basic group;

[0014] ④The basic group established by step ③ is subjected to closed breeding, and from the closed breeding offspring, the first and second litters of the ewes are selected from the first and second litters, and the excellent individuals with fast growth and development in the early stage of the lamb are then established. group;

[0015] ⑤The nucleus group obtained in step ④ is subjected to atresia breeding, and from the atresia breeding offspring, the first and second litters of the ewes are selected from the...

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Abstract

The invention discloses a breeding method for a novel polyembryony variety of mutton sheep. The method comprises the following steps: selecting and collecting a polytocous mutton sheep base population and carrying out enclosed breeding; selecting excellent individual progeny and building another base population; carrying out enclosed breeding again, selecting excellent individuals from the enclosed-breeding progeny and building a core population; carrying out enclosed breeding of the core population and selecting excellent individuals from the enclosed-breeding progeny so as to obtain the novel polyembryony variety of mutton sheep; etc. The breeding method for the novel polyembryony variety of mutton sheep provided by the invention effectively improves the breeding rate of mutton sheep, reduces the breeding cost for ewes, enhances the economic benefits of mutton sheep breeding, is capable of reducing the breeding amount of ewes and saving grains for fodder, promotes the industrialized production of mutton sheep and accelerates the industrialization process of mutton sheep.

Description

Technical field [0001] The invention relates to an animal breeding method. Background technique [0002] For a long time, the reproduction rate of high-quality meat sheep has been low, resulting in high production costs for meat sheep, which has affected the economic benefits of sheep breeding to a certain extent. Summary of the invention [0003] In order to overcome the shortcomings of the prior art, the technical solution adopted by the present invention is: the breeding method of a new breed of multiple fetuses for meat sheep, which is characterized in that it includes the following steps: [0004] ① Select the basic group of sheep for multiple births from the sheep for meat; [0005] ② Perform closed breeding of the selected multiple-feet sheep basic herd; [0006] ③From step ②, select the excellent individuals of the first and second litters of the ewes who have more lambs in the first and second litters from step ② and establish a basic group; [0007] ④The basic group establish...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/02
CPCA01K67/02
Inventor 魏世年
Owner 魏世年
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