Article (Scientific journals)
Belgian surveillance plans to assess changes in Salmonella prevalence in meat at different production stages
Ghafir, Yasmine; China, Bernard; Korsak, Nicolas et al.
2005In Journal of Food Protection, 68 (11), p. 160-168
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Keywords :
Salmonella; Surveillance; Food; sampling plan; zoonotic agent; animal
Abstract :
[en] From 1997 to 1999, the prevalence of Salmonella was assessed at different stages through the pork, poultry, and beef meat production chains. Different dilutions of the initial sample suspension were analyzed to provide a semiquantitative evaluation of Salmonella contamination and to determine the most representative dilution necessary to detect a reduction in prevalence. An average of 300 samples for each type of meat were analyzed. According to Fisher's exact test, the dilution to be used to detect a reduction in prevalence was chosen based on an initial prevalence of 20 to 26%. Based on this introductory study, a new sampling plan representative of the nationwide Belgian meat production process was used from 2000 through to 2003. This study confirmed the consistently high rate and level of contamination of poultry meat: broiler and layer carcasses were the most contaminated samples followed by broiler fillets and poultry meat preparations. A constant and significant decrease in Salmonella prevalence was observed for pork carcasses, trimmings, and minced meat and for beef minced meat. Less than 3% of beef carcasses and trimming samples were positive for Salmonella. The Belgian plan, as utilized from 2000 to 2003, was suitable for monitoring of zoonoses because the sampling plan was representative of nationwide production processes, covered all periods of the year, and was executed by trained samplers and the analyses were carried out by recognized laboratories using an identical analytical method.
Disciplines :
Food science
Microbiology
Author, co-author :
Ghafir, Yasmine;  Université de Liège - ULiège - ULG > Sciences des Denrées alimentaires > Microbiologie des Denrées alimentaires
China, Bernard;  Université de Liège - ULiège - ULG > Sciences des Denrées alimentaires > Microbiologie des Denrées alimentaires
Korsak, Nicolas;  Université de Liège - ULiège - ULG > Sciences des Denrées alimentaires > Hygiène des Denrées alimentaires
Dierick, Katelijne;  Institut scientifique de la Santé publique - ISP
Collard, Jean-Marc;  institut scientifique de la Santé publique - ISP
Godard, Claudine;  Institut Pasteur de Bruxelles
De Zutter, Lieven;  Universiteit Gent - Ugent
Daube, Georges  ;  Université de Liège - ULiège > Département de sciences des denrées alimentaires > Microbiologie des denrées alimentaires
Language :
English
Title :
Belgian surveillance plans to assess changes in Salmonella prevalence in meat at different production stages
Publication date :
November 2005
Journal title :
Journal of Food Protection
ISSN :
0362-028X
eISSN :
1944-9097
Publisher :
Int Assoc Food Protection
Volume :
68
Issue :
11
Pages :
160-168
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
AFSCA - Agence Fédérale pour la Sécurité de la Chaîne Alimentaire
Available on ORBi :
since 17 August 2008

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