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Occurrence of Enteropathogenic Escherichia coli Serotypes in Butter
1Department of Biology, College of Science, University of Mosul, Mosul, Iraq.
Abstract:
A total of 30 samples of butter analysed during the course of the investigation showed that fecal coliforms were absent from only 13.3% of samples. One hundred forty colonies of fecal coliforms were biochemically characterized with the following types obtained ( Escherichia sp. 41.4%, Enterobacter sp. 25.7%, Citrobacter sp. 20%, Klebsiella sp. 10%). Five different serotypes, namely 0 125 K70(2), 0 142K86(1), 0 127K63(1), 0 114 K90(2), 0 111 K58(1) were detected in 7 of 58 Escherichia coli isolates and 51 strains were untypable. Three strains produced heat stable (ST) enterotoxin and belonged to the enteropathogenic serotype. The antibiotic resistance patterns of coliform strains are presented.
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