Caracterização de unidades de produção de leite em sistema orgânico ou em transição : produção e qualidade do leite

Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Programa de Pós-graduação em Agroecossistemas, Florianópolis, 2013.It was aimed to evaluate 30 milk production unities (MPU) characteristics at transition phase, conversion phase or organic certified on western of Santa Catarina and western and northwest of Paraná. The data was obtained from semi-structured questionnaire and from milk quality analysis (chemical composition, somatic cell counting (SCC) and total bacterial counting (TBC) of milk). The milk analyses were originated by milk sampling from cooling system of each MPU at two seasons, summer and winter of 2012. The milk samples were sent and analyzed in laboratory of Associação Paranaense de Criadores de Bovinos da Raça Holandês - APCBRH, Curitiba - Parana. In the first study it was objectified to evaluate MPU profile and milk quality, using data of milk analyses as a tool for characterization from the perspective of Normative Instruction No. 62/2012 of the Ministry of Agriculture, Livestock and Food Supply. The data were undergone to correlation analysis and descriptive statistics. It was observed that MPU were conducted by family members as work based, farmers showed average age of 41 and 60 years with elementary school. The majority of MPU has agriculture as main activity, and this herd is mostly composed of Holstein and Jersey breeds. There was difference (P0.05) of CBT for state nor season, with average value of 1,456,000 CFU/mL, i.e., not allowed by Brazilian legislation (