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Field Interventions against Colonization of Broilers by Campylobacter

Wales, Andrew D., Vidal, Ana B., Davies, Robert H. and Rodgers, John D. (2018) Field Interventions against Colonization of Broilers by Campylobacter Comprehensive Reviews in Food Science and Food Safety, 18 (1). pp. 167-188.

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Abstract

Poultry accounts for a high proportion of human campylobacteriosis cases, and the problem of Campylobacter colonization of broiler flocks has proven to be intractable. Owing to their broad host range and genetic instability, Campylobacter organisms are ubiquitous and adaptable in the broiler farm environment, colonizing birds heavily and spreading rapidly after introduction into a flock. This review examines strategies to prevent or suppress such colonization, with a heavy emphasis on field investigations. Attempts to exclude Campylobacter via enhanced biosecurity and hygiene measures have met with mixed success. Reasons for this are becoming better understood as investigations focus on houses, ventilation, biosecurity practices, external operators, and compliance, amongst other factors. It is evident that piecemeal approaches are likely to fail. Complementary measures include feed and drinking water treatments applied in either preventive or suppressive modes using agents including organic acids and their derivatives, also litter treatments, probiotics, prebiotics, and alterations to diet. Some treatments aim to reduce the number of Campylobacter organisms entering abattoirs by suppressing intestinal colonization just before slaughter; these include acid water treatment or administration of bacteriophages or bacteriocins. Experimental vaccines historically have had little success, but some recent subunit vaccines show promise. Overall, there is wide variation in the control achieved, and consistency and harmonization of trials is needed to enable robust evaluation. There is also some potential to breed for resistance to Campylobacter. Good and consistent control of flock colonization by Campylobacter may require an as-yet undetermined combination of excellent biosecurity plus complementary measures.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences > School of Veterinary Medicine
Authors :
NameEmailORCID
Wales, Andrew D.a.wales@surrey.ac.uk
Vidal, Ana B.
Davies, Robert H.
Rodgers, John D.
Date : 5 December 2018
DOI : 10.1111/1541-4337.12397
OA Location : https://onlinelibrary.wiley.com/doi/epdf/10.1111/1541-4337.12397
Copyright Disclaimer : © 2018 Crown copyright. This article Field Interventions Against Colonization of Broilers by Campylobacter was written by Andrew D. Wales, Ana B. Vidal, Robert H. Davies, and John D. Rodgers of Department of Pathology and Infectious Diseases; Veterinary Medicines Directorate; Department of Bacteriology and Food Safety; Bacteriology and Food Safety. It is published with the permission of the Controller of HMSO and the Queen's Printer for Scotland.
Uncontrolled Keywords : Campylobacter; Broiler; Intervention; Farm; Biosecurity; Hygiene
Depositing User : Clive Harris
Date Deposited : 24 Sep 2018 07:16
Last Modified : 18 Mar 2019 11:56
URI: http://epubs.surrey.ac.uk/id/eprint/849416

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