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Cultivation method for central plain table purpose mutton new strain

A cultivation method and new line technology, which are applied in the cultivation of new lines of mutton sheep in the Central Plains, and the cultivation of new lines of mutton sheep, can solve problems such as poor adaptability to hot environments, and achieve carcass quality, strong adaptability and high reproduction rate. Effect

Active Publication Date: 2014-11-12
ZHENGZHOU WSHEEP E COMMERCE CO LTD
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AI Technical Summary

Problems solved by technology

In addition, the reproductive performance is also very good, the lambing rate can reach 280%, but the adaptability to the hot environment is poor

Method used

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  • Cultivation method for central plain table purpose mutton new strain

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Embodiment 1

[0020] Example 1: A method for cultivating new strains of meat sheep adapted to the Central Plains, comprising the following steps:

[0021] (1) Sheep breed selection: Identify and evaluate Small-tailed Han sheep, East Frisian sheep, and Dorper sheep, and select 1,100 excellent Small-tailed Han sheep ewes, 10 East Frisian sheep rams, and Dorper sheep There are 50 rams and 100 ewes to form a breeding group.

[0022] Among them, the selection criteria of Small-tailed Han sheep, East Fried sheep and Dorper sheep are as follows:

[0023] Selection criteria for Dorper goat males and ewes: large body, plump body, white body, straight head, moderate length, wide forehead, raised nose bridge, large and slightly hanging ears, neither short nor wide; thick and short neck, Thick shoulders, straight back, arched ribs, plump chest, muscular hindquarters; strong limbs with moderate length and upright posture; Dorper rams weigh more than 100kg, body height is more than 75cm, body length i...

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Abstract

The invention relates to a cultivation method for a central plain table purpose mutton new strain. The method comprises a first step of cross breeding of a dorper ram and a small tailed han sheep ewe, cross breeding of an East Friesian ram and the small tailed han sheep ewe and cross breeding of the East Friesian ram and a dorper ewe to obtain F1 generations which are respectively called Doper-han, East-han and East-Doper, a second step of cross breeding of a East-han ram and a Doper-han ewe in the F1 generations to obtain an F2 generation, a third step of cross breeding of a Doper-han and East-Doper hybridization ram and an East-han and Doper-han hybridization ewe to obtain an F3 generation, a fourth step of athwart cross of the ram and the ewe, and a fifth step of carrying out shutting seed selection and propagation expanding on the athwart cross generation to obtain the central plain mutton new strain. The obtained central plain mutton is high in reproductive rate, and the reproductive rate can reach 220-240%. Growth rate in the early stage is fast, the weight of sheep with age of 0-3 months can reach 200-300g per day, and the weight of sheep with age of 3-6 months can reach 220-370g per day. Dressing percentage is 48-51%, carcass quality is good, and meat quality can reach a special grade. The central plain table purpose mutton new strain is high in adaptability to the central plain environment, and is suitable for barn feeding and lamb production.

Description

technical field [0001] The invention relates to a method for cultivating a new breed of mutton sheep in the Central Plains, belonging to the field of animal breeding, in particular to a method for cultivating a new strain of meat sheep adapted to the Central Plains region. Background technique [0002] In recent years, with the continuous rise of global mutton demand, the demand for mutton in my country is also increasing year by year. In countries with developed mutton sheep industry in the world, more than 80% of the mutton sheep breeds are meat sheep, while more than 70% of the mutton sheep raised in the Central Plains of my country are local goat breeds. Under the same conditions, goats have obvious disadvantages compared with sheep, such as goats are not resistant House feeding, slow growth, poor meat production performance, low feed remuneration, etc. The production practice of mutton sheep in northern my country has also proved that the economic and social benefits of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/02
Inventor 权凯赵金艳尹慧茹刘海林茹宝瑞
Owner ZHENGZHOU WSHEEP E COMMERCE CO LTD
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