Affiliation: | 1. Centre for Genetic Improvement of Livestock, Department of Animal and Poultry Science, University of Guelph, Guelph, Ontario N1G2W1, Canada;2. Department of Population Medicine, University of Guelph, Guelph, Ontario N1G2W1, Canada;1. 130 Cornwall Road, Ruislip Manor, Middlesex HA4 6AW, UK |