publication . Article . 2010

Breeding programs for the main economically important traits of zebu dairy cattle

Ariosto Ardila Silva;
Open Access English
  • Published: 01 Jun 2010 Journal: Revista de Medicina Veterinaria (issn: 0122-9354, eissn: 2389-8526, Copyright policy)
  • Publisher: Universidad de La Salle
Abstract
In tropical regions, Gyr and Guzerat breeds (Bos indicus) are most explored for dairy industry and are much more adapted to climate. Gyr and Guzerat are Zebu breeds very common in Brazil and they are being used to generate Bos taurus x Bos indicus crosses in order to combine good production, heat and parasite tolerance on the tropics. Breeding programs for the main economically important traits of Zebu dairy cattle have been recently introduced in Brazil and is based on the use of genetically superior sires in the herds. A major objective of QTL (Quantitative Trait Loci) and candidate genes is to find genes and markers that can be implemented in breeding program...
Subjects
mesheuropmc: humanities
free text keywords: Bos indicus, progreso genético, QTL, Veterinary medicine, genes candidatos, SF600-1100
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