Qualidade da água e do leite em propriedades leiteiras no município de Amargosa, Bahia

Abstract

The milk is a food with high teor nutritive, because of this it's more vulnerable to microbiology contamination. Because of this, to guarantee the raw milk quality produced is important produce hygienic milking, like as sanitaries pratices of handling of all productive process. The water used during milking and in the higienization of equipaments and milk instruments cause risk in the milk quality produced. The aim of this paper was evaluete the raw milk quality and the water quality of milking room, under the orientations contained in the NI 51 - MAPA and by the regulation 518. The collection of the milk and the water was realized in the dairy farms of Amargosa's city during April, May and June of 2009, and it were realized microbiologicals analysis. The results showed that the quality of raw milk samples is unsatisfactory, for, only it was detected 9,68% of clinical mastits and 35,48% of subclinical mastits; 12,74% of Staphylococcus aureus, 18,26% of enterobacterium, 12,5% of Candida albicans, 7,5% of Candida krusei, 10% of Candida tropicalis and 42,5% of the others species of Candida, 60% of dairy farms the couting of mesophilic microrganisms and 100% of dairy farms the NMP of total coliforms and fecal coliforms didn't meet requirements of Ruling Protocol 51 of MAPA (NI 51) . Regarding the quality of water, 100% of dairy farms the couting of mesophilic microrganisms and 40% of dairy farms the NMP total coliforms total and Escherichia coli didn't meet requirements by regulation 518/2004 issued by Brazilian Health Ministry. Such results confirm the importance of introducing an effort aimed at sanitary education involves the facilities studied and at the improvement of the microbiological quality of the milk produced and the water used in the handling of milk.