Method for breeding meat and wool dual-purpose new variety of Gansu alpine merino

A technology of fine-wool mutton and breeding methods, which is applied in the field of animal husbandry, etc., can solve the problems of insufficient feeding management, lack of systematic breeding, and degradation of pastures in pastoral areas, so as to achieve a high physique, high lambing rate, and high feed remuneration. Effect

Inactive Publication Date: 2012-04-11
GANSU AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, Gansu alpine fine-wool sheep have lacked systematic selection and improvement since they were bred, coupled with the serious degradation of grassland in pastoral areas and poor feeding management, they are obviously smaller in size, lower in fecundity, and poor in muscle quality than foreign meat-wool sheep. Therefore, it is a very urgent task to cultivate new strains of Gansu alpine fine-haired mutton wool that can adapt to the alpine pastoral areas of the Qilian Mountains, maintain the quality of wool and moderately increase the production of mutton.

Method used

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  • Method for breeding meat and wool dual-purpose new variety of Gansu alpine merino
  • Method for breeding meat and wool dual-purpose new variety of Gansu alpine merino

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Embodiment 1

[0028] Adopt the method of the present invention to cultivate the flow chart of Gansu alpine fine-wool sheep of the double-purpose new line of mutton, as shown in the accompanying drawing:

[0029] 1) Select 2,000 sheep from Gansu alpine fine-wool sheep with medium build, strong physique, well-proportioned structure, pure white coat, normal type, fine hair growing on the head to the eyeliner and cheeks, no horns or small horns, well-developed neck The vertical vertical skin, the natural length of the hair bundle is more than 8.00cm in 12 months, the average fiber diameter is ≤23.00μm, the overall uniformity of the hair is good, the curve is clear and normal, the oily sweat is moderate, accounting for 50% of the height of the hair bundle , most of which are white or milky white, with a net wool rate of more than 45%, body height, body length, chest circumference and weight of 67.50cm, 70.00cm, 88.00cm and 40.00kg respectively; excellent ewes with a lambing rate of more than 110%...

Embodiment 2

[0039] 1) Select 2,000 sheep from Gansu alpine fine-wool sheep with medium build, strong physique, well-proportioned structure, pure white coat, normal type, fine hair growing on the head to the eyeliner and cheeks, no horns or small horns, well-developed neck The vertical vertical skin, the natural length of the hair bundle is more than 8.00cm in 12 months, the average fiber diameter is ≤23.00μm, the overall uniformity of the hair is good, the curve is clear and normal, the oily sweat is moderate, accounting for 50% of the height of the hair bundle , most of which are white or milky white, with a net wool rate of more than 45%, body height, body length, chest circumference and weight of 67.50cm, 70.00cm, 88.00cm and 40.00kg respectively; excellent ewes with a lambing rate of more than 110% are used as female parents ; 10 lambs were selected from South African meat Merino sheep with large physique, wide and deep chest, straight back and waist, plump muscles, well-developed hind...

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Abstract

The invention discloses a method for breeding a meat and wool dual-purpose new variety of Gansu alpine merino, which comprises: crossing a South African mutton merino serving as a male parent and a Gansu alpine merino serving as a female parent, and selecting first-generation hybrid female merinos; crossing the select first-generation hybrid female merinos with South African mutton merinos, and selecting second-generation hybrid male and female merinos; crossing the selected second-generation hybrid female merinos with South African mutton merinos and selecting third-generation hybrid female merinos; mating the third-generation hybrid female merinos with the selected second-generation hybrid male merinos to breed the zero-generation merinos of the meat and wool dual-purpose new variety of Gansu alpine merino; selecting high-quality male merinos and female merinos; and performing 3 to 4 generations of crossing by a group secondary selection method and obtaining the meat and wool dual-purpose new variety of Gansu alpine merino. The merinos bred by the breeding method have the advantages of tall and big body, high lambing percentage, quick growth, high wool quality, high meat quality and the like, and are suitable for drylot feeding and pen feeding for fattening. The method is in accordance with the development trend of sheep breeding industry of China.

Description

technical field [0001] The invention belongs to the technical field of animal breeding, and relates to a method for cultivating a new strain of Gansu alpine fine-haired mutton with dual-purpose wool. Background technique [0002] Seed engineering is the basic project of animal husbandry, and livestock genetics and breeding contribute the most to the increase in animal husbandry production, accounting for about 40%. Since my country has not yet established an effective breeding system for sheep and goats, the integration and innovation of breeding technology is insufficient, and the technical level and efficiency of breeding are low, resulting in a shortage of high-quality mutton sheep with independent intellectual property rights. The contribution rate of existing sheep to the increase in mutton production is low. Poor competitiveness. However, some local high-quality sheep in our country have the characteristics of high fecundity and strong stress resistance, but they are n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/027
Inventor 马友记李发弟赵有璋王宝义王维民
Owner GANSU AGRI UNIV
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