Document Detail

Microbiological quality of milk from small processing units in Senegal.
MedLine Citation:
PMID:  20141346     Owner:  NLM     Status:  MEDLINE    
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.
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:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Foodborne pathogens and disease     Volume:  7     ISSN:  1556-7125     ISO Abbreviation:  Foodborne Pathog. Dis.     Publication Date:  2010 May 
Date Detail:
Created Date:  2010-05-07     Completed Date:  2010-08-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101120121     Medline TA:  Foodborne Pathog Dis     Country:  United States    
Other Details:
Languages:  eng     Pagination:  601-4     Citation Subset:  IM    
Unit of Medical Biology and Environment, Institut Pasteur, Dakar, Senegal.
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MeSH Terms
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
Staphylococcus / genetics,  isolation & purification,  metabolism
Reg. No./Substance:
0/Antibodies, Bacterial; 0/Coagulase; 0/Enterotoxins

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