Research Article

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Single nucleotide polymorphisms in the APOA5 gene have been studied for their association with metabolic syndrome. Thus, elucidating the effect of the mechanism involved in APOA5 gene polymorphisms on lipid metabolism is of great importance. In this study we aimed to determine the allelic and genotypic frequencies of -1131T>C, Ser19Trp, and intergenic APOA4/A5 and to evaluate the ... more

E. De França; D.S.B.S. Silva; T.F.C. Silva; C.L. Dornelles; J.G. Alves; C.S. Alho; E. De França; D.S.B.S. Silva; T.F.C. Silva; C.L. Dornelles; J.G. Alves; C.S. Alho; E. De França; D.S.B.S. Silva; T.F.C. Silva; C.L. Dornelles; J.G. Alves; C.S. Alho
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Candidate gene; Cattle; Fertility; Holstein; Milk; SNP

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 ... more

R. Hill; A. Canal; K. Bondioli; R. Morell; M.D. Garcia; R. Hill; A. Canal; K. Bondioli; R. Morell; M.D. Garcia; R. Hill; A. Canal; K. Bondioli; R. Morell; M.D. Garcia
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Bovine respiratory disease; Feedlot; Finishing; SNP

The objective of the present study was to evaluate single nucleotide polymorphisms (SNPs) located in two quantitative trait locus (QTL) regions (BTA 6 and BTA 20) that are associated with bovine respiratory disease (BRD). A population of 323 crossbred steers sired by five purebred sire breeds during 2010-2013 (Angus, Braford, Braunvieh, Charolais, and Simmental) were evaluated for BRD ... more

S.L. Miller; S. Mizell; R. Walker; T. Page; M.D. Garcia; S.L. Miller; S. Mizell; R. Walker; T. Page; M.D. Garcia
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Colombian creole cattle have important adaptation traits related to heat tolerance and reproductive and productive efficiency. Romosinuano (ROMO) and Blanco Orejinegro (BON) are the most common breeds used by Colombian cattle breeders. Growth traits are of prime importance in these animals, which are mainly raised for beef production. Genes encoding growth hormone, growth hormone receptor ... more

R. Martínez; J.F. Rocha; D. Bejarano; Y. Gómez; Y. Abuabara; J. Gallego; R. Martínez; J.F. Rocha; D. Bejarano; Y. Gómez; Y. Abuabara; J. Gallego
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Water buffaloes (Bubalus bubalis) are quite well adapted to climatic conditions in the Amazon, and in this biome, they are noted for the considerable amount of meat and milk they produce and how hard they are able to work. Because of a lack of research dedicated to improving the rearing of buffaloes in the Amazon, the objective of this study was to genetically characterize the ... more

C.S. Silva; S. Filho; A.S. Matos; A.S. Schierholt; M.R. Costa; L.C. Marques; J.S. Costa; R.L. Sales; M.R. Figueiró; J.R.F. Marques; C.S. Silva; S. Filho; A.S. Matos; A.S. Schierholt; M.R. Costa; L.C. Marques; J.S. Costa; R.L. Sales; M.R. Figueiró; J.R.F. Marques
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Highly unsaturated fatty acids (HUFAs) are crucial for the nutritional health, physiology, and reproduction of vertebrates. The Δ6-desaturase and Elovl5 elongase genes produce essential enzymes in the biosynthetic pathway of HUFAs. Single nucleotide polymorphism (SNP) analysis of genes functionally related to the growth traits of the common carp (Cyprinus carpio var. Jian) can ... more

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