SNP molecular marker combination for establishing Luxi cattle pedigree

A molecular marker, Luxi cattle technology, applied in the field of molecular genetics, can solve the problems of lack of pedigree records, difficulty of quality traceability system, etc.
CN110396547AInactive Publication Date: 2019-11-01INNER MONGOLIA UNIVERSITY +2
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
INNER MONGOLIA UNIVERSITY
Publication Date
2019-11-01
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention provides an SNP molecular marker combination for establishing a Luxi cattle pedigree. The SNP molecular marker combination comprises 100 SNP markers distributed on 29 autosomes, the average distance of adjacent SNP markers on the same chromosome is 24M. Mean values of minor allele frequency (MAF), expected heterozygosity (HExp) and polymorphic information content (PIC) of the markercombination are respectively 0.4836, 0.4997 and 0.3751; and the accumulative probability of exclusion is 0.9991. The SNP marker combination can be used for completely and accurately identifying the pedigree of Luxi cattle, can improve the accuracy of Luxi cattle breeding and accelerating the genetic progress of the Luxi cattle, and has an excellent application prospect and economic benefit.
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Description

technical field

[0001] The invention belongs to the field of molecular genetics, and relates to a combination of SNP molecular markers for establishment and identification of Luxi cattle pedigree and its application. Background technique

[0002] Pedigree information plays an important role in cattle breeding. Wrong pedigree will greatly reduce the accuracy of genetic evaluation, affect the effect of selection and matching, reduce the genetic progress of the population, and bring huge economic impact to the cattle industry. However, in actual breeding production, errors in pedigree records are unavoidable, which are affected by many factors, such as breeding records, calving records, human errors in pedigree entry and sorting, etc., especially in extensive free-range pastures After the calf is born, it is difficult to determine the father or even the parents, which often causes pedigree errors. The average pedigree error rate of cattle herds in all countries in the world c...

Claims

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