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Using PCR techniques Shiga toxin-producing strains of Escherichia coli were isolated from the faeces of 45 out of 101 healthy sheep. These strains were serotyped and found to include O5:H-, O91:H- and O163:H19, which had previously been reported as being associated with human disease including haemolytic uraemic syndrome.Utilisant la technique P.C.R. des souches d'Escherichia coli produisant des toxines...
Petrifilm TM PEC was compared to Australian Standard (AS) methods for the enumeration of coliforms and Escherichia coli on 50 naturally contaminated beef samples from three meat works. The standard methods consist of a 3-tube most probable number test or a direct plate count on tryptone bile agar for E. coli, and violet red bile agar and the most probable number test for coliforms (AS...
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