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United States Department of Agriculture

Agricultural Research Service

Jeffrey S. Karns

Research Microbiologist

Environmental Microbial and Food Safety Lab
10300 Baltimore Avenue
Building 173 BARC-East, room 201
Beltsville, MD 20705
Phone 301.504.6493, Fax 301.504.6608

Microbiologist Jeffrey Karns and animal scientist Jo Ann Van Kessel isolate Salmonella bacteria from petri plates inoculated with fecal samples taken from dairy cows.

Research Area

Develop methods for the specific detection and enumeration of pathogenic forms of microorganisms in foods, soil, manure and water. Use those methods to describe the fate of pathogens on the farm and the routes for their transmission to foods.

ARS News Articles

USDA-ARS Environmental Microbial and Food Safety Laboratory
Henry A. Wallace Beltsville Agricultural Research Center, Beltsville, MD 20705
Building 173 BARC-East, Phone 301.504.5607

Last Modified: 3/29/2013
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