1. Thad Cochran National Warmwater Aquaculture Center Mississippi State University Post Office Box 197 Stoneville Mississippi 38776USA
2. U.S. Department of Agriculture Agricultural Research Service Warmwater Aquaculture Research Unit Post Office Box 38 Stoneville Mississippi 38776USA
3. Thad Cochran National Warmwater Aquaculture Center Department of Pathobiology and Population Medicine College of Veterinary Medicine Mississippi State University 127 Experiment Station Road Stoneville Mississippi 38776USA
4. Department of Wildlife, Fisheries, and Aquaculture Mississippi State University Thompson Hall, Room 253 Mississippi State Mississippi 39762 USA