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United States Department of Agriculture

Agricultural Research Service

2012 Annual Report

1a.Objectives (from AD-416):
1. Different sampling techniques will be determined for microbial pathogens in edible catfish products: swab, whole fillets sampling, ice if finfish in direct contact, and drip liquid if frozen then thawed. 2. Pathogen test methods (selective agar or test kits) for Salmonella, Escherichia coli O157:H7, Listeria monocytogenes, and Staphylococcal aureus will be compared to determine influence of catfish components (interfering histamine) and time to obtain results. 3. Confirmation will be done on positive samples to verify presence of human pathogen. 4. Data obtained delivered to FSIS for retail catfish inspection and extension personal to develop literature for proper handling of raw catfish.

1b.Approach (from AD-416):
Catfish to be purchased at various retail stores and microbial counts done. Bacteria identification done on the isolates to determine if human pathogens are present. This information will be used by FSIS to develop a sampling program.

3.Progress Report:

Due to the changing of research priorities of USDA Food Safety Inspection Service, this project has been canceled and terminated.

Last Modified: 11/25/2015
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