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Autor:
Beth A. Straley, Chitrita DebRoy, Narasimha V. Hegde, Bhushan M. Jayarao, Ashish A. Sawant, Sarah C. Donaldson
Publikováno v:
Applied and Environmental Microbiology. 72:3940-3948
Healthy calves ( n = 96, 1 to 9 weeks old) from a dairy herd in central Pennsylvania were examined each month over a five-month period for fecal shedding of ceftiofur-resistant gram-negative bacteria. Ceftiofur-resistant Escherichia coli isolates ( n
Publikováno v:
Technical University of Denmark Orbit
The contamination routes of Listeria monocytogenes in cold-smoked salmon processing plants were investigated by analyzing 3,585 samples from products (produced in 1995, 1996, 1998, and 1999) and processing environments (samples obtained in 1998 and 1