Affiliation: | 1. USDA Agricultural Research Service, Animal and Natural Resources Institute, Animal Biosciences and Biotechnology Laboratory, Beltsville, MD, USA;2. Present address: INRA, UMR 1198 Biologie du Développement et Reproduction, Jouy en Josas, France;3. Bovine Functional Genomics Laboratory, Beltsville, MD, USA |