In this paper, it has given to know the result of a bacteriologic study on 5 species of mollusk used as human food, they were: Aulacomya ater, Gari sp., Mesodesma donacium, Aequipecten purpuratus and Thais chocolata; they were from several markets of Callao and Lima. It was isolated Salmonella enteritidis serotype Derby and Edwardsiella of Gar¡ sp. Others bacteria os Proteus, Citrobacter, Enterobacter and Serrotia were presents too. AII the mollusks were contamined by E. coli.

En este trabajo se da a conocer el resultado de un estudio bacteriológico en 5 especies de moluscos que se utilizan en la alimentación humana, ellos fueron: Aulacomya ater, Gari sp., Mesodesma donacium, Aequipecten purpuratus y Thais chocolata, obtenidos de diversos centros de expendio del Callao y Lima. Se aisló Salmonella enteritidis serotipo Derby y Edwardsiella de Gari sp. Otras bacterias como Proteus, Citrobacter, Enterobacter y Serratia estuvieron presentes en los diversos moluscos. El 100% de ellos presentó contaminación por E. coli.