Experimental and field studies of Escherichia coli O157:H7 in white-tailed deer
Article Abstract:
Wild white-tailed deer do not appear to be a reservoir for E. coli O157:H7. This bacterium has been linked to serious infection and has been found in undercooked beef.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2001
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Fate of enterohemorrhagic Escherichia coli O157:H7 in bovine feces
Article Abstract:
Escherichia coli O157:H7 strains survive in bovine feces for a considerable time and retain their ability to produce verotoxins 1 and 2. Five nalidixic acid-resistant E. coli O157:H7 strains survive for almost 70 days in feces stored at 5 degree C. The survival of bacteria at this temperature is independent of fecal moisture content and water activity. The bacteria survive for almost 56 days at 22 degree C and 49 days at 37 degrees C. Only the strain 932, isolated from humans, is able to survive at 22 and 37 degrees C.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1996
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Experimental Escherichia coli O157:H7 carriage in calves
Article Abstract:
Enterohemorrhagic Escherichia coli O157:H7 fails to be pathogenic in weaned calves. It is present in the intestinal contents rather than the mucosal surface of gastrointestinal sites. The E. coli is present in the contents of the rumen and colon, and is shed in the feces. Fasting enhances the fecal shedding of E. coli. Some individual animals carry E. coli for longer periods of time and in larger numbers than others.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1997
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