Molecular marker capable of predicting and identifying sheep wool length and specific primer pair and application

Abstract

The invention relates to the technical field of animal molecular markers, in particular to a molecular marker capable of predicting and identifying a sheep wool length and application of a specific primer pair in predicting and identifying wool length character of Chinese Merino lambs. The molecular marker capable of predicting and identifying the sheep wool length is located at a first exon of aNo. 1 chromosome of IFNAR2 genes. The invention firstly discloses an rs407032027 SNP locus serving as a molecular maker capable of predicting and identifying the sheep wool length, and firstly discloses the application of the rs407032027 SNP locus in the selection of the wool length character of the Chinese Merino lamb; and when the molecular marker capable of predicting and identifying the sheepwool length is adopted to select a sheep variety with excellent wool length character, the molecular marker has the advantages of simple operation, low expense, high accuracy and capability of automatic detection.

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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