[1] Univ Georgia, Dept Anim & Dairy Sci, Athens, GA 30602 USA
[2] ARS, USDA, LARRL, Miles City, MT USA
[3] Univ Georgia, Inst Bioinformat, Athens, GA 30602 USA
[4] Univ Georgia, Dept Stat, Athens, GA 30602 USA
[5] Univ Georgia, Dept Poultry Sci, NutriGen Lab, Athens, GA 30602 USA