| Microbiological quality of milk from small processing units in Senegal. | |
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MedLine Citation:
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PMID: 20141346 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Consumption of milk and dairy products has increased significantly in Senegal in the last decade, and a large part of the local production comes from small processing units spread all over the country. We collected 85 bulk-tank milk samples from 68 smallholder dairy farms throughout the territory. Microbiological quality of milk samples was analyzed according to the official standards. Further, raw milk and pasteurized milk were screened for Mycobacterium bovis, Coxiella burnetii, and anti-Brucella abortus antibodies. Ninety-three percent of pasteurized milk samples, 92% of raw milk samples, and 81% of sour milk samples failed to meet official standards. Pathogens detected in milk were C. burnetii (6/41, 15%), which seems to be endemic in Senegal, coagulase-positive staphylococci (18/70, 26%), and Salmonella Johannesburg in one sample. Further analysis of coagulase-positive staphylococci isolated from samples containing more than 10(4) colony-forming units per gram showed the presence of enterotoxigenic strains in 9 of the 10 samples. These results confirm the poor microbiological quality of milk produced by small units in Senegal, especially and surprisingly of pasteurized milk. This highlights the need to implement good hygiene practices, particularly in the postpasteurization process, and an effective monitoring throughout the production and delivery chain. |
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Authors:
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Sebastien Breurec; Rodrigue Poueme; Cheikh Fall; Adama Tall; Abdoulaye Diawara; Rianatou Bada-Alambedji; Cecile Broutin; Alexandre Leclercq; Benoit Garin |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Foodborne pathogens and disease Volume: 7 ISSN: 1556-7125 ISO Abbreviation: Foodborne Pathog. Dis. Publication Date: 2010 May |
Date Detail:
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Created Date: 2010-05-07 Completed Date: 2010-08-20 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101120121 Medline TA: Foodborne Pathog Dis Country: United States |
Other Details:
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Languages: eng Pagination: 601-4 Citation Subset: IM |
Affiliation:
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Unit of Medical Biology and Environment, Institut Pasteur, Dakar, Senegal. sbreurec@pasteur.sn |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Antibodies, Bacterial / analysis Brucella abortus / immunology, isolation & purification Coagulase / metabolism Colony Count, Microbial Coxiella burnetii / isolation & purification Cultured Milk Products / microbiology Dairying / methods* Enterotoxins / genetics, metabolism Food Handling / methods Food Microbiology* / standards Milk / microbiology*, standards Mycobacterium bovis / isolation & purification Polymerase Chain Reaction Quality Control Salmonella / isolation & purification Senegal Staphylococcus / genetics, isolation & purification, metabolism |
| Chemical | |
Reg. No./Substance:
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0/Antibodies, Bacterial; 0/Coagulase; 0/Enterotoxins |
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