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Ploufragan, France

Henry I.,Crete dOr Entreprise | Granier S.,ANSES CEB | Courtillon C.,ANSES Unite HQPAP | Lalande F.,ANSES Unite HQPAP | And 3 more authors.
Tropical Animal Health and Production | Year: 2012

Salmonella contamination of 71 chicken broiler flocks was investigated at the slaughterhouse in Reunion Island between October 2007 and January 2009. Samples were collected from live broiler chickens and chicken carcasses as well as the slaughterhouse environment. Salmonella spp. was isolated from 40 of 71 (56 % with a confidence interval 5 % [45-67]) broiler chicken flocks at slaughter. The most prominent serovars were Blockley (31 %), Typhimurium and Brancaster (14 %), Hadar (10 %), Salmonella multidrug resistant clinical organisms serotypes 1,4,[5],12:i:-, and Virchow (8 %) and Livingstone, St. Paul, Seftenberg, Llandoff, Infantis and Indiana. At the farm, 27 % of the broiler chicken flocks tested positive for Salmonella spp. Salmonella spp. was isolated from 124 of 497 environmental samples (25 %). In most cases, there was no relationship between pulsed field gel electrophoresis (PFGE) pattern and antibiotic resistance pattern. The predominant Salmonella serovars were susceptible to most of the tested antibiotic drugs, but S. Hadar exhibited multidrug resistance. This study highlighted the primary source of Salmonella was the farm of origin and downstream stages in processing could not remedy to but amplify this Salmonella contamination. © 2012 Springer Science+Business Media B.V. Source

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