Leptin is an adipocyte-derived hormone product of the obese gene that functions as a lipostatic signal regulating whole body energy metabolism. We used data on 464 composite steers to study the effects of two C-T polymorphisms in exon 3 (Accession no. BTA512639-321) and promoter (Accession no. AB070368-528) of the leptin gene, respectively. The two SNP are in linkage disequilibrium and show associations individually and jointly with serum leptin concentration, performance, measures of feed efficiency, ultrasound, and carcass merit of beef cattle.

J. D Nkrumah, C. Li, D. H Keisler, E. L Sherman, Z. Wang, B. M Murdoch, S. S Moore

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume , , 22.05, 2006
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