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This study aimed to investigate the contaminationby mesophilic, psychrotrophic, coliform microorganisms at 45°C and Enterococcus spp., produced by crossbred herds, in raw milk produced in 30 family dairy farms in Juramento and Montes Claros, Northern Minas Gerais. Samples were collected 4 times, 2 during the rainy season and 2 during the dry season. Raw milk samples and milk samples refrigerated were collected, observing the total count of mesophilic, psychrotrophic microorganisms, Enterococcus sppand coliform at 45°C. Was collected too, Swabs samples from milking materials (buckets, cans) were collected using the surface scrubbing technique, in order to assess the total bacterial count of those utensils to verify their hygiene. The milk samples showed high contamination by micro-organisms aerobic mesophilic, psychrotrophic, Enterococcus spp., Coliforms at 45°C, compromising the sanitary quality of the product as well as Swab samples that hight contamination levels, with aerobic mesophilic. What compromised the sanitary quality of the product. There are shortcomings regarding antiseptic practices adopted on the milking equipment, leading to aerobic mesophilic contamination higher than allowed. Becoming evident the need for adoption of good agricultural practices, greater investments in training and quality technical assistance in order to stimulate improvements in the microbiological quality of the milk produced in the region.

Qualidade microbiológica do leite cru produzido no Norte de Minas Gerais