Breeding method for quinary hybridized multiparous new line of meat sheep

A breeding method and technology of new strains, applied in the field of animal breeding, to achieve the effects of fast growth, good taste and high feed return rate

Active Publication Date: 2016-08-17
ZHANGJIAKOU SHENGDA ANIMAL HUSBANDRY CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

At present, there is no relevant report about the five-component hybridization model

Method used

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  • Breeding method for quinary hybridized multiparous new line of meat sheep

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Experimental program
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Embodiment 1

[0017] Embodiment 1: This embodiment adopts the natural mating method.

[0018] Step 1: Select healthy small-tailed Han sheep ewes, record ear tags; carry out Fec B For genetic testing, ewes carrying mutant heterozygous genotypes (B+) were selected to mate with robust Texel rams to produce special cold binary first-generation hybrid sheep.

[0019] Step 2: Carry out Fec on the Tehan binary first-generation hybrid ewes B Genetic testing, eliminate all rams and ewes without multiple birth genes, select healthy Tehan binary first-generation hybrid ewes with mutant heterozygous genotype (B+) to mate with Dorper rams, and produce Tehan Dusan Yuan generation hybrid sheep.

[0020] Step 3: Perform Fec on Tehandu Sanyuan first-generation hybrid ewes B Genetic testing, eliminate all rams and ewes without multiple birth genes, select healthy Tehandu triple generation hybrid ewes with mutant heterozygous genotype (B+) to mate with Charolais rams, and produce Tehan Duxia four yuan fir...

Embodiment 2

[0024] The difference between this embodiment and the first embodiment is only that the artificial insemination method is adopted. Results did not differ from natural mating methods.

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Abstract

The invention relates to the technical field of animal breeding, in particular to a breeding method for a quinary hybridized multiparous new line of meat sheep. According to the method, a small-tailed Han sheep is taken as a female parent and subjected to binary hybridization with a Texel ram, and a Texel-Han binary 1-generation hybrid sheep is produced; a Texel-Han binary 1-generation hybrid ewe is hybridized with a Dorper ram, and a Texel-Han-Dorper ternary 1-generation hybrid sheep is produced; a Texel-Han-Dorper ternary 1-generation hybrid ewe is hybridized with a Charolais ram, and a Texel-Han-Dorper-Charolais quaternary 1-generation hybrid sheep is produced; a Texel-Han-Dorper-Charolais 1-generation hybrid ram is hybridized with a German Merino ewe, and a Texel-Han-Dorper-Charolais-Merino quinary 1-generation hybrid sheep is produced; a Texel-Han-Dorper-Charolais-Merino quinary 1-generation hybrid ram and a Texel-Han-Dorper-Charolais-Merino quinary 1-generation hybrid ewe are mated, intersect-breeding is performed, Texel-Han-Dorper-Charolais-Merino quinary 0-generation hybrid sheep is produced, and the quinary hybridized multiparous new line of the meat sheep is obtained. The sheep in the line have the advantages of good meat quality, high lambing rate, high dressing percentage, high growth speed in a lamb stage, high feed return rate and the like, and the new line is applicable to barn feeding and fat lamb production.

Description

technical field [0001] The invention relates to the technical field of animal breeding, in particular to a method for cultivating a five-element hybrid multi-fetal new strain of meat sheep; a method for cultivating a new multi-fetal hybrid strain using domestic small-tailed Han sheep multi-fetal breeds and foreign meat sheep breeds. Background technique [0002] In recent years, with the improvement of people's living standards and the change of consumption concept, more and more attention has been paid to their own health and the science of diet, the demand for mutton has gradually increased, and the output of mutton in my country has increased significantly, from 2.74 million tons in 2000. To 4.282 million tons in 2014, an increase of 56.3%. In the development of the world's sheep industry, the structure of mutton produced, the proportion of lamb meat has increased rapidly. For example, the output of lamb meat in many developed sheep farming countries occupies a dominant po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/02
CPCA01K67/02
Inventor 刘殿军苏绍媛
Owner ZHANGJIAKOU SHENGDA ANIMAL HUSBANDRY CO LTD
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