Occurrence of Listeria monocytogenes in raw milk and cheese

Mikrobiološka kvaliteta mlijeka i mliječnih proizvoda je vrlo važna budući da mlijeko i mliječni proizvodi pripadaju rizičnoj skupini namirnica koji mogu biti izvori različitih uzročnika bolesti. Prisutnost patogene bakterije Listeria monocytogenes u mlijeku i mliječnim proizvodima predstavlja velik javnozdravstveni problem. L. monocytogenes kao uzročnik listerioze javlja se puno rjeđe u odnosu na druge bolesti prenosive putem hrane, poput salmoneloze i kampilobakterioze, no ima izuzetno visoku stopu smrtnosti do 40%. Iako su u proizvodnji mlijeka i mliječnih proizvoda postavljeni vrlo visoki higijenski standardi u zadnjih nekoliko godina pojavnost L. monocytogenes je u porastu.The microbiological quality of milk and dairy products is very important since milk and dairy products belong to a risky group of foods that can be sources of various pathogens. The presence of the pathogenic bacterium Listeria monocytogenes in milk and dairy products is a major public health problem. L. monocytogenes as a causative agent of listeriosis occurs much less frequently in relation to other food-borne diseases, such as salmonella and campylobacteriosis, but has an extremely high mortality rate of up to 40%. Although high hygiene standards have been achieved in the production of milk and dairy products in last few year occurrence of L. monocytogenes is increasing