Peter Ahrens

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Two different genotypic methods, colony hybridization and polymerase chain reaction (PCR), were applied to detect enterotoxin, verotoxin and fimbrial genes in 708 Escherichia coli (E. coli) strains(More)
Earlier investigations have shown that 'Haemophilus somnus', 'Haemophilus agni' and 'Histophilus ovis' represent the same species. In the present investigation, the taxonomic position of this species(More)