Virulence-associated traits in avian Escherichia coli: comparison between isolates from colibacillosis-affected and clinically healthy layer flocks.

Last updated on 23-8-2019 by Anonymous (niet gecontroleerd)

Peer reviewed scientific article



Colibacillosis appears to be of increasing importance in layer flocks. The aim of this study was to determine characteristics of avian pathogenic Escherichia coli associated with the occurrence of colibacillosis outbreaks at flock level. Forty E. coli strains originating from layers from healthy flocks (‘control isolates’), consisting of 25 caecal and 15 extra-intestinal isolates, were compared with 40 strains isolated from layers originating from colibacillosis-affected flocks (‘outbreak isolates’), consisting of 20 caecal and 20 extra-intestinal isolates. The examined characteristics were…

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