The Journal of Heredity 2001:92(3)
© 2001 The American Genetic Association 92:290-292
Brief Communication |
A QTL Study of Cattle Behavioral Traits in Embryo Transfer Families
From the Department of Animal and Poultry Science (Schmutz, Winkelman-Sim, and Buchanan) and the Department of Herd Medicine and Theriogenology (Stookey and Waltz), University of Saskatchewan, Saskatoon, Canada, and Bova Can Labs, Saskatchewan Research Council, Saskatoon, Canada (Plante).
Address correspondence to Sheila Schmutz, Department of Animal and Poultry Science, 51 Campus Dr., University of Saskatchewan, Saskatoon S7N 58A, Canada, or e-mail: schmutz;casask.usask.ca.
Two behavioral traits, temperament and habituation, were measured in 130 calves from 17 full-sib families which comprise the Canadian Beef Cattle Reference Herd. Using variance components, heritability was calculated as 0.36 for temperament and 0.46 for habituation. Genotyping of 162 microsatellites at approximately 20 cM intervals allowed the detection of six quantitative trait loci (QTL) for behavior traits on cattle chromosomes 1, 5, 9, 11, 14, 15.
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