1. Mississippi State Univ, Dept. of Food Science Nutrition and Health Promotion Herzer Building, 945 Stone Blvd, Box 9805 Mississippi State MS 39762 U.S.A
2. Mississippi State Univ, Dept. Wildlife Fisheries and Aquaculture Box 9690 Mississippi State MS 39762 U.S.A
3. Thad Cochran National Warmwater Aquaculture Center Delta Research and Extension Center P.O. Box 197 Stoneville MS 38776 U.S.A