Affiliation: | (1) Interdisciplinary Concentration in Animal Molecular and Cell Biology, and Department of Animal Science, University of Florida, Gainesville, FL;(2) Interdisciplinary Animal Molecular and Cell Biology Concentration and the Department of Dairy and Poultry Sciences, University of Florida, P.O. Box 110920, 32611-0920 Gainesville, FL;(3) Present address: Department of Molecular Genetics and Microbiology, University of Florida, 32610 Gainesville, FL |