SEARCH FOR LISTERIA MONOCYTOGENES ACCORDING TO STANDARDIZED METHOD ISO-11290-1 IN BELIEVED MILK OF COWS IN THE AREA IS ALGERIA (SETIF, BATNA & BISKRA)
Abstract
252 taking away of believed milk of cows were collected starting from 9 sales outlets, distributed on three common to knowing, Bougaa (W.Sétif), Djerma (W.Batna) and Sidi Okba (W. Biskra). The results of the analysis by standardized method NF IN ISO 11290, confirmed the presence of Listeria spp (2.8%) with a prevalence of L. innocua (1.58%) and L. monocytogenes (1.19%) similar to those reported by the literature. In order to guarantee the safety of the consumer (risk of mortality = 20-30%) the search for L. monocytogenes in the dairy products is an obligation.
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