Molecular markers capable of predicting and identifying sheep wool length and their specific primer pairs and applications

Abstract

The invention relates to the technical field of animal molecular markers, and relates to a molecular marker capable of predicting and identifying sheep wool length and the application of specific primer pairs in predicting and identifying the wool length traits of Chinese Merino sheep, which can predict and identify sheep wool length. A molecular marker of wool length located at exon 1 of chromosome 1 of the IFNAR2 gene. The present invention discloses for the first time the use of the rs407032027 SNP site as a molecular marker capable of predicting and identifying sheep wool length, and the application of the rs407032027 SNP site to the selection of the wool length traits of Chinese Merino sheep; Molecular markers of wool length have the advantages of simple operation, low cost, high accuracy, and automatic detection for Chinese Merino sheep (Xinjiang type) when selecting sheep breeds with high-quality wool length traits.

Description

technical field [0001] The invention relates to the technical field of animal molecular markers, and relates to a molecular marker capable of predicting and identifying the length of sheep wool and a pair of specific primers. The application in the preparation or kit, the application of the molecular marker in predicting and identifying the wool length traits of Chinese Merino sheep. Background technique [0002] As the wool spinning industry at home and abroad continues to update wool and fabric processing, the requirements for raw material wool are more stringent, and the product trend has been developing in the direction of lightness and softness. There have also been new milestones in the quality of wool in the world. The demand for wool in the wool spinning industry There is a gradual increasing trend. Wool length is one of the key physical indicators to measure the quality of wool. At present, one of the main problems facing the production of fine-wool sheep in our c...

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Problems solved by technology

[0004] However, when breeding sheep breeds with excellent wool length properties, when it is necessary to measure the wool length of sheep that have grown for more than several months, the sheep breeds are selected according to the length measurement results. As can be seen from the above, the steps of the wool length detection method It is cumbersome, the detection efficiency is low, and the accuracy needs to be improved, and the detection objects are sheep that have grown for more than several months, which increases the cost of breeding, including time cost and other breeding costs

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