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Prevalence and sources of Campylobacter spp. contamination in free-range broiler production in Belgium
Vandeplas, Sabrina; Dubois Dauphin, Robin; Beckers, Yves et al.
2006In World's Poultry Science Journal, 62 (supplément), p. 557
 

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Keywords :
Campylobacter; Free-range broiler production; Epidemiological study
Abstract :
[en] An one year epidemiological study was carried out between February 2005 and January 2006 in Belgium to assess the Campylobacter prevalence in free-range broiler production. Three successive broiler flocks on 6 belgian farms were investigated for the presence of Campylobacter ssp. during the rearing period. Each flock was visited four times, before and after the outdoor rearing period. During each visit, samples were taken in the broiler houses (litter, cecal droppings, water-lines, feed, entrance premises) as well as from the outer rearing environment (open-air range). Conventional microbiological methods combined with biochemical tests were used for the Campylobacter detection, species identification and isolation. Campylobacter prevalence was very high in free-range broiler production during the experimental period. C. jejuni is the main species isolated from all contaminated samples, while mixed C. jejuni/C. coli infections sometimes occured. Contamination of the broiler flocks was increased in summer/autumn, with a 100% flocks contamination, whereas only 4 (66.7%) and 3 (50%) of the flocks became Campylobacter positive in spring and winter respectively, at the end of the rearing period. Moreover, about 53.8% of contaminated flocks were infected with Campylobacter before chicks have access to the open-air range. In 69.2% of the Campylobacter-positive flocks, the open-air range soil belonged partly of fully to environmental samples found to be Campylobacter-positive before flock infection. The other potential sources of infection were delivery tray, entrance premises floor and water-lines. The access to an open-air range seems to be an important way of contamination of broilers because Campylobacter prevalence in the flocks increased after going out.
Disciplines :
Veterinary medicine & animal health
Animal production & animal husbandry
Author, co-author :
Vandeplas, Sabrina ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech
Dubois Dauphin, Robin ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech
Beckers, Yves  ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech
Thonart, Philippe ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech - Biochimie et microbiologie industrielles
Thewis, André ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech
Language :
English
Title :
Prevalence and sources of Campylobacter spp. contamination in free-range broiler production in Belgium
Publication date :
2006
Event name :
XII European Poultry Conference
Event place :
Verona, Italy
Event date :
du 10 au 14 septembre 2006
Journal title :
World's Poultry Science Journal
ISSN :
0043-9339
Publisher :
Cambridge University Press, United Kingdom
Volume :
62
Issue :
supplément
Pages :
557
Name of the research project :
Sélection d’un complexe enzymo-bactérien antagoniste de Campylobacter ssp. pour l’élevage, sur parcours extérieur, de poulets de chair
Funders :
DGA - Région wallonne. Direction générale de l'Agriculture [BE]
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since 14 July 2009

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