Sixty six strains are isolated starting from 18 samples from cow's raw milk in six breeding stations at Constantine. Their identification enabled us to obtain the following species: Sc. thermophilus, Ln. lactis, Ln. ...

The microscopic study of the moulds isolated from Sebkhas of Biskra area allowed, to identify 7 different kinds from 10 potentially cellulolytic strains: Aspergillus, Penicillium, Geotrichum, Altarnaria, Cladosporium, ...