Document Detail


Potential sources of Campylobacter infection on chicken farms: contamination and control of broiler-harvesting equipment, vehicles and personnel.
MedLine Citation:
PMID:  21535329     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Aim:  To test the efficacy of enhanced biosecurity measures on poultry farms for reducing environmental contamination with Campylobacter during partial depopulation of broiler flocks prior to normal slaughter age. The study has also evaluated the risk of infection from live-bird transport crates that are routinely cleaned at the slaughterhouse, but may remain contaminated. Methods and results:  On-farm sampling and Campylobacter isolation was undertaken to compare the prevalence of contamination on vehicles, equipment and catching personnel during farm visits which took place under normal or enhanced biosecurity. Campylobacters were found in almost all types of sample examined and enhanced biosecurity reduced the prevalence. However, the additional measures failed to prevent colonization of the flocks. For transport crates, challenge trials involved exposure of broilers to commercially-cleaned crates and genotyping of any campylobacters isolated. The birds were rapidly colonized with the same genotypes as those isolated from the cleaned crates. Conclusions:  The enhanced biosecurity measures were insufficient to prevent flock colonization and the problem was exacerbated by inadequate cleaning of transport crates at the slaughterhouse. Significance and impact of the study:  Current commercial practices in the United Kingdom facilitate the spread of campylobacters among broiler chicken flocks. Prevention of flock infection appears to require more stringent biosecurity than that studied here.
Authors:
Anne Ridley; Victoria Morris; Jason Gittins; Shaun Cawthraw; Jillian Harris; Stephen Edge; Vivien Allen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-29
Journal Detail:
Title:  Journal of applied microbiology     Volume:  -     ISSN:  1365-2672     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-5-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9706280     Medline TA:  J Appl Microbiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Journal compilation © 2011 The Society for Applied Microbiology.
Affiliation:
Veterinary Laboratories Agency, New Haw, Addlestone, Surrey, KT15 3NB, United Kingdom University of Bristol, Department of Clinical Veterinary Science, Langford, North Somerset, BS40 5DU, United Kingdom ADAS Gleadthorpe, Meden Vale, Mansfield, Nottinghamshire, NG20 9PF, United Kingdom.
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