Rastreamento de fontes de contamina??o do leite cru em diferentes pontos do processo de produ??o

摘要

Normal 0 21 false false false PT-BR X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabela normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif";} The present work was objective to evaluate the quality of refrigerated raw milk through microbiological swabs being used at three different points of milking, which were represented by the liner (last set), tank and hose connected to the container end unit before and after the adoption of procedures for cleaning equipment. The experiment was conducted in period of May to June, 2009, in five milk properties, all situated in Parana west region. The data have been obtained by: check list and; analysis of the diverse points of production with research of mesophilic and psychrotrophic microorganisms. The cleaning is not seen by producers as generating element of quality. The main contamination points were then liner hose connected to the tank. In the samples of milk collected, one was out of the microbiological standards established by law .