Study on Listeria Monocytogenes and other Listeria Species in Milk and Meat Products in Retail Markets of Addis Ababa, Ethiopia

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A cross sectional styudy of listeria monocytogenes and other listeria species was undertaken in major supermarkets, pastry shops and restaurants in addis ababa, ethiopa from September 2004 to march 2005.The study was conducted on milk and and milk products (pasteurized cow’s milk,cottage cheese, creamed cakes, and ice cream) and meat products (minced beef,chicken carcass,and pork). A total of 711 food samples consisting of 50 pasteurized milk.101 soft cheeses, 80 cottage cheeses, 103 ice creams ,107 creamed cakes, 109 minced beef,80 pork and 81 chicken carcasses were collected for analysis during the study period listeria monocytogenes and other listeria species were identified and isolated according to the techniques recommended by the international organization for standardization (iso 11290-1-1996), serotyping of L monocytogenes strains was carried out at the French Authority fornfood safety (AFSSA). Ploufragan, France.



Listeria monocytogenes