Psychrotrophic bacterial flora of raw ewes' milk, with particular reference to gram negative rods |
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Authors: | J A Nu?ez F J Chavarri M Nu?ez |
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Abstract: | The microbial flora of 141 samples of raw ewes' milk was determined, before and after storage for 72 h at 4 degrees and 7 degrees C. Penicillin-resistant bacteria represented ca 61% of 1760 psychrotrophic isolates from refrigerated milk samples. Pseudomonas fluorescens and Pseudomonas fluorescent group-related strains predominated (ca 86%) in the Gram negative psychrotrophic microflora. Leuconostoc dextranicum was the most frequent Gram positive psychrotrophic species isolated. |
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