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Genome-wide association studies reveal novel loci associated with carcass and body measures in beef cattle
Faculty
Agriculture
Year:
2020
Type of Publication:
ZU Hosted
Pages:
Authors:
Mohamed Ezzat Mohamed Abdelhak Elhweny
Staff Zu Site
Abstract In Staff Site
Journal:
Archives of Biochemistry and Biophysi Elsevier Inc.
Volume:
Keywords :
Genome-wide association studies reveal novel loci
Abstract:
Genomic selection has an essential role in the livestock economy by increasing selection productivity. Genomics provides a mechanism to increase the rate of genetic gain using marker-assisted selection. Various quantitative trait loci (QTL) associated with body, carcass and meat quality traits in beef cattle have been found. It is widely accepted that QTL traits in livestock species are regulated by several genes and factors from the environment. Genome-wide association studies (GWAS) are a powerful approach in identifying QTL and to establish genomic regions harboring the genes and polymorphisms associated with specific characteristics in beef cattle. Due to their impact on economic returns, growth, carcass and meat quality traits of cattle are frequently used as essential criteria in selection in breeding programs., GWAS has been used in beef cattle breeding and genetic program and some progress has been made. Furthermore, numerous genes and markers related to productivity traits in beef cattle have been found. This review summarizes the advances in the use of GWAS in beef cattle production and outlines the associations with growth, carcass, and meat quality.
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