A Molecular Marker Affecting the Length Properties of Cashmere and Its Application

A cashmere goat and cashmere technology, which is applied in the field of molecular marker-assisted selection and animal genetic breeding, can solve the problems of cumbersome measurement, low heritability, and difficulty in quickly improving the breeding level, so as to improve the breeding process, shorten the breeding period, and quickly Efficient and improved effect

Active Publication Date: 2022-05-17
INNER MONGOLIA AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to low heritability and cumbersome measurement, it is difficult to quickly improve the breeding level with traditional breeding value estimation

Method used

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  • A Molecular Marker Affecting the Length Properties of Cashmere and Its Application
  • A Molecular Marker Affecting the Length Properties of Cashmere and Its Application
  • A Molecular Marker Affecting the Length Properties of Cashmere and Its Application

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Embodiment Construction

[0027] Below in conjunction with accompanying drawing, invention is described in further detail.

[0028] 1. Sample selection:

[0029] In this study, 3-year-old ewes of Inner Mongolia cashmere goats were collected, a total of 192 individuals. At the same time, cashmere fiber samples and ear tissue samples were collected for fiber diameter measurement and DNA extraction, respectively.

[0030] 2. Measurement and analysis of cashmere fiber fineness

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Abstract

The invention discloses a molecular marker that affects the length traits of cashmere goats and its application. The molecular marker loci include: corresponding to the G>A mutation at No. 19532160 on chromosome 2 of ARS1 version of the goat genome. Through this molecular marker, cashmere goats with longer hair length can be quickly and efficiently screened out, which can not only improve the quality and yield of cashmere, but also can be used in breeding technology to quickly and efficiently genetically improve cashmere goats and improve the quality of cashmere goats. market competitiveness.

Description

technical field [0001] The invention relates to the technical field of molecular marker-assisted selection and animal genetic breeding, in particular to a molecular marker affecting the length traits of cashmere cashmere and its application. Background technique [0002] Cashmere goat is a unique biological resource in the world, with important economic value, and the products are rich and diverse, the main product of which is cashmere. Its fabrics are internationally renowned for their warmth, softness, smoothness and elegant shapes. Inner Mongolia cashmere goat is an excellent local breed bred through long-term natural selection and artificial selection. The goat's body surface is symbiotic, mainly composed of wool produced by primary hair follicles and cashmere produced by secondary hair follicles. Cashmere is thin and soft, white in color, delicate and smooth in hand, and is a treasure of fiber textiles. It is known as "fiber gem" and "soft gold" and is sold all over t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12Q1/6888A01K67/02
CPCC12Q1/6888A01K67/02C12Q2600/124C12Q2600/156Y02P60/87
Inventor 苏蕊王凤红张磊王志英王瑞军张燕军李金泉
Owner INNER MONGOLIA AGRICULTURAL UNIVERSITY
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