[Microbiological control of edible Mollusca in Milan's trade in 1971-1974].

A microbiological control of edible Mollusca in trade of Milan Market and coming from Adriatic's cultivation basins during 1971-1974 was performed. During 1971-1973 anterior to choleric epidemy of 1973, alot of 2680 mussel's specimens were examined with the ACIS 1949 method, of which 60% (1611) favorable and 39.9% (1069) contrary; a single semple presented a S. paratyphi B germ. During 1974 with a new regulamentation 111 mussel's specimens were examined with M.S. 1973 more restrictive method (Colonbacterial titre). With that method 41 samples were not favorable which were favorable with ACIS method. A new hygienic angayement results therefore necessary.