Genomic Regions Associated With Wool, Growth, and Reproduction Traits in Uruguayan Merino Sheep

January 2023 in “ Genes ”

Zully Ramos, Dorian J. Garrick, H. T. Blair, Brenda Vera, Gabriel Ciappesoni, P. R. Kenyon

TLDR Certain genes influence wool, growth, and reproduction traits in Uruguayan Merino sheep.

The study on Uruguayan Merino sheep involved approximately 2,000 ewes and used genome-wide association studies (GWAS) to identify genomic regions linked to wool, growth, and reproduction traits. It found 35 genomic windows for wool traits, 42 for live weight, and 53 for reproduction traits, with significant genetic variance explained for each. Key genes identified include IGF-1 and TGFB2R for wool, CAST and LAP3 for live weight, and ADCY1 and LEPR for reproduction. Despite the study's limited sample size, it provides a foundation for future research and genetic improvement programs in Uruguay.

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