%0 Journal Article
%T ESTUDIO DEL POLIMORFISMO HINFI DEL GEN PIT-1 Y SU ASOCIACI¨®N CON CARACTER¨ªSTICAS DE TIPO, PRODUCCI¨®N DE LECHE Y D¨ªAS ABIERTOS DE VACAS HOLSTEIN EN EL DEPARTAMENTO DE ANTIOQUIA, COLOMBIA
%A Corrales-¨¢lvarez
%A Juan D.
%A Cer¨®n-Mu£¿oz
%A Mario F.
%A Ca£¿as-¨¢lvarez
%A Jhon J.
%A Acevedo-Valladarez
%A Cristina
%A Sep¨²lveda-Restrepo
%A Jeannie C.
%A Calvo-Cardona
%A Samir J.
%A Moreno-Ochoa
%A Manuel
%J Actualidades Biol¨®gicas
%D 2010
%I Universidad de Antioquia
%X the aim of this study was to determine allele and phenotypic frequencies for single nucleotide polymorphism (snp) of exon vi in the pit-1 gene and their associations with type traits, milk yield, and days open. a total of 390 holstein cows from antioquia (colombia) were genotyped for the pit-1 hinfi polymorphism by pcr-rflp. we found aa, ab, and bb genotypes with a frequency of 0.03, 0.43, and 0.53, respectively. the a allele frequency was 0.35 and its presence in the genotype was associated with higher milk production, udder depth and body depth; the absence of the a allele in the genotype was associated with fewer days open. this study indicates that it is possible to develop breeding programs using the pit-1 gene in holstein cattle in the department of antioquia.
%K animal breeding
%K colombia
%K holstein cows
%K molecular marker
%K pit-1.
%U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0304-35842010000200002&lng=en&nrm=iso&tlng=en