Abstract
ABSTRACTWhole and processed Alaskan fish were examined for aerobic plate counts, total coliforms, and Escherichia coli. Washing whole salmon and halibut reduced skin microbial counts from 103/cm2 to 102/cm2. Whole and dressed fish had coliform counts less than 13/cm2 and E. coli counts less than 0.3/cm2. Alaska pollock and Pacific cod fillets had microbial counts between 103/g and 106/g, coliform counts less than 70/g, and E. coli counts less than 4/g. Whole fish contained microbial flora predominated by Moraxella species whereas dressed fish and fillets had microbial flora consisting of Arthrobacter/Corynebacterium, Flavobacterium, and Pseudomonas species. Microorganisms on conveyor belts and other contact surfaces may have contributed contaminants to fillets.
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