Candidate gene

Molecular markers located on the DGAT1, CAST, and LEPR genes and their associations with milk production and fertility traits in Holstein cattle

R. Hill, Canal, A., Bondioli, K., Morell, R., Garcia, M. D., Hill, R., Canal, A., Bondioli, K., Morell, R., Garcia, M. D., Hill, R., Canal, A., Bondioli, K., Morell, R., and Garcia, M. D., Molecular markers located on the DGAT1, CAST, and LEPR genes and their associations with milk production and fertility traits in Holstein cattle, vol. 15, p. -, 2016.

The objective of the present study was to investigate single nucleotide polymorphisms (SNPs) located in three candidate genes previously reported to have effects on fertility and milk production traits in a population of 123 Holstein cows. The milk production traits evaluated included lifetime averages of milk yield, protein concentration, and fat concentration. Fertility traits evaluated included lifetime averages of services per conception and days-open.

Identification of polymorphisms associated with production traits on chicken (Gallus gallus) chromosome 4

F. Pértille, Zanella, R., Felício, A. M., Ledur, M. C., Peixoto, J. O., and Coutinho, L. L., Identification of polymorphisms associated with production traits on chicken (Gallus gallus) chromosome 4, vol. 14, pp. 10717-10728, 2015.

Genetic selection for production traits has resulted in a rapid improvement in animal performance and development. Previous studies have mapped quantitative trait loci for body weight at 35 and 41 days, and drum and thigh yield, onto chicken chromosome 4. We investigated this region for single nucleotide polymorphisms and their associations with important economic traits. Three positional candidate genes were studied: KLF3 (Krüeppel-like factor 3), SLIT2 (Slit homolog 2), and PPARGC1A (peroxisome proliferator-activated receptor gamma, coactivator 1 alpha).

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