2005 Annual Report 4d.Progress report. This report serves to document research conducted under a Non-Funded Cooperative Agreement between ARS and Pearl River Fisheries Research Inst. No work has been completed at this time. Additional details of this research can be found in the report from the parent research project 6420-32000-019-00D entitled, "Vaccinology and Immunity of Aquatic Animals." A site visit will be initiated in 2005/2006 to prepare and begin cooperative research work on this project.