Studies on the enterotoxigenicity of environmentalEscherichia coli, belonging to serotypes normally considered enterotoxigenic

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Abstract
SUMMARY: Fifteen strains ofEscherichia coliwhich had been collected in previous studies from animals and meat were studied.They belonged to serotypes considered enterotoxigenic and were examined for the production of the heat-labile and heat-stable enterotoxins. Only one of these strains (O8. Hnt) isolated from a Cheshire produced heat-labile enterotoxin. Another strain (O8.H9) isolated from a cowpat in another part of Cheshire gave results suggesting production of small amounts of the heat-stable enterotoxin. The ecological aspects of these results are discussed.