Peer-reviewed veterinary case report
Avian pathogenic Escherichia coli transmission from broiler breeders to their progeny in an integrated poultry production chain.
- Journal:
- Avian pathology : journal of the W.V.P.A
- Year:
- 2005
- Authors:
- Giovanardi, D et al.
- Affiliation:
- Laboratorio Tre Valli · Italy
- Species:
- bird
Abstract
Early cases of colibacillosis with omphalitis, yolk sac infection and increased mortality were observed in five broiler chicken flocks (A1, A2, A3, A4 and B1) from two broiler breeder flocks A and B, respectively. Avian pathogenic Escherichia Coli (APEC) serotype O78, Fim/Tsh/Iuc pathotype, were isolated from flocks A, A1, A2, A3 and A4, and APEC serotype O139, pathotype Fim/Iuc, from flocks B and B1. APEC O78 strains isolated from broiler chicks A1, A2, A3 and A4, originating from breeder flock A, had the same antibiotic resistance pattern as APEC O139 strains isolated from broiler chicks B1 and breeder B. The random amplified polymorphic DNA technique performed on APEC strains revealed two distinct clusters of genetic similarity: cluster I consisted of some APEC O78 and cluster II of APEC O139. These results indicated that a transmission of APEC strains from adults A and B to their respective progeny could occur.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/16147567/