Abstract
Abstract: This study had as aim the evaluation of the microbial load and configuration of raw milk from different collecting centers. The research material was represented by 24 raw milk samples collected in December 2007 – may 2008 period, from a milk processing in Cluj county. The aerobic mesophillic load of raw milk presented different values, being comprised between 4.24±0.0.12 log ufc/ml and 7.39±0.0.45 log ufc/ml, 38.75% from the total number of milk samples crossing the limit of 6.0 log ufc/ml (10 6 ufc/ml). Regarding the psychrotrophic bacterial load it was noticed that this varried, being situated between 4.65±0.16 log ufc/ml and 7.59±0.45 log ufc/ml. The microbial configuration of raw milk destined to processing in the unit taken into study, was represented by ferms from the following genus: Staphylococcus , Micrococcus , Lactobacillus , Neisseria , Aeromonas, Acinetobacter , Moraxella , Pseudomonas , Yersinia , Serratia, Hafnia, Proteus and Escherichia. Following data analysis, we found that the flora of refrigerated raw milk is dominated by psychrotrophic germs (63.8%), from which a great part is represented by bacteria from genus Pseudomonas.
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Schedule a callMore From: Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca Veterinary Medicine
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