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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Prevalence and antibiotic-resistance of Salmonella isolated from beef sampled from the slaughterhouse and from retailers in Dakar (Senegal)
International Journal of Food Microbiology, Volume 110, No. 2, Year 2006
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Description
A study was made of Salmonella contamination in beef sampled from a slaughterhouse and from retailers in Dakar, Senegal. The serotypes as well as antibiotic-resistance patterns of the Salmonella isolates were determined. A total of 435 meat samples (236 from the slaughterhouse, 199 from retailers) were tested. Among them, 275 (63%) were positive for Salmonella, 43% (101/236) from the slaughterhouse and 87% (174/199) from the retailers. Furthermore, 97% of the investigated retailers had at least one beef sample contaminated by Salmonella. The 286 Salmonella isolates were divided into 51 serotypes. The most prevalent serotypes were Salmonella bredeney (25%), S. muenster (8%), S. waycross (7%), S. corvallis (4%) and S. kentucky (4%). About 62% of the isolates were resistant to nitrofurans. Resistance rates were lower to streptomycin (22%), sulfamethoxazole (15%), spectinomycin (1%), chloramphenicol (1%), and tetracycline (0,4%) while low-level resistance to quinolones was detected. About 16% of the Salmonella strains were multiresistant to two or more antibiotic families. Finally, ten resistance profiles have been identified. This study shows the huge spread of Salmonella in the beef production chain in Dakar, Senegal. Finally, this study provides the very first data about Salmonella prevalence in sub-saharian Africa. © 2006 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Stevens, Antoine
Senegal, Dakar
Institut Pasteur de Dakar
Kabore, Youssouf
Senegal, Dakar
Inter-state School of Veterinary Sciences and Medicine
Perrier-Gros-Claude, Jean David
Senegal, Dakar
Institut Pasteur de Dakar
Millemann, Yves
France, Maisons-alfort
Ecole Nationale Vétérinaire D'alfort
Brisabois, Anne
France, Maisons-alfort
Afssa Agence Française de Sécurité Sanitaire Des Aliments
Catteau, M.
France, Lille
Institut Pasteur de Lille
Cavin, Jean François
France, Dijon
Centre Inrae Bourgogne-franche-comté
Dufour, Barbara
France, Maisons-alfort
Ecole Nationale Vétérinaire D'alfort
Statistics
Citations: 93
Authors: 8
Affiliations: 6
Identifiers
Doi:
10.1016/j.ijfoodmicro.2006.04.018
ISSN:
01681605
Research Areas
Infectious Diseases
Study Design
Cross Sectional Study
Study Locations
Senegal