Listeria organisms as bacterial pathogens in milk and some dairy products in Fayoum Governorate

الملخص EN

A total of 100 random samples of raw milk and some dairy products (low salt soft cheese, hard cheese, ice cream and yoghurt, 20 samples each) were collected from different localities in Fayoum city and examined for the presence of Listeria spp.

In this investigation the recovery rate of Listeria from the examined samples was 6 %.

The highest incidence of Listeria species was recovered from low salt soft cheese 15 % followed by raw milk and ice cream samples with incidence of 10 % and 5 %, respectively.

A total of 6 Listeria species were isolated from the examined 100 samples.

From 6 Listeria isolates, 2 isolates were identified as L.

monocytogenes isolated from raw milk and low salt soft cheese.

2 isolates were identified as L.

welshimeri from raw milk and low salt soft cheese, one isolate was identified as L.

innocua from l0Vy salt soft cheese and one isolate was identified as L.

murrayi from iCe cream.

The public health importance and the sanitary measures f0r control of Listeria spp.

were mentioned.