Psychrotrophic bacterial flora of raw ewes' milk, with particular reference to gram negative rods

Nuñez, J.A.; Chavarri, F.J.; Nuñez, M.

Journal of Applied Bacteriology 57(1): 23-29

1984


ISSN/ISBN: 0021-8847
PMID: 6490562
Document Number: 225469
The microbial flora of 141 samples of raw ewes' milk was determined, before and after storage for 72 h at 4.degree. and 7.degree. C. Penicillin-resistant bacteria represented .apprx. 61% of 1760 psychrotrophic isolates from refrigerated milk samples. Pseudomonas fluorescens and Pseudomonas fluorescent group-related strains predominated (.apprx. 86%) in the gram-negative psychotrophic microflora. Leuconostoc dextranicum was the most frequent gram-positive psychotrophic species isolated.

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