Season influence on milk physico-chemical and microbiological aspects in Western Santa Catarina

Autores

  • Flávio José Simioni Universidade do Estado de Santa Catarina
  • Leandro Sâmia Lopes Universidade do Estado de Santa Catarina
  • Cassia Regina Nespolo Universidade do Estado de Santa Catarina
  • Lenita Moura Stefani Universidade do Estado de Santa Catarina
  • Rael Bordignon BRF - Brasil Foods S.A.
  • Mailyn Stephanee Bittelbrun Universidade do Estado de Santa Catarina

DOI:

https://doi.org/10.5433/1679-0359.2014v35n4p2033

Palavras-chave:

Milk quality, Payment based on quality, Seasonality.

Resumo

The objective of this study was to analyze the influence of seasonal changes on milk quality in Western Santa Catarina, Brazil. Dairy farms (799) had raw milk samples (9144) collected and analyzed for fat, protein, SCC (somatic cell count) and TBC (total bacterial count). Samples were collected from cooling tanks on the farm during the months of October 2009 to September 2010 and grouped into four seasons (summer, autumn, winter, and spring). The data were classified according to the normative instructions 51 and 62 the Ministerial of Agriculture, and also according to a quality pay system adopted by the dairy industry in the region of the study. The results revealed differences between groups (P<0.05), where fat content was higher in autumn, protein and TBC were higher in winter and SCC showed the highest rates in the summer. According to the criteria established by legislation, the main quality problem was the TBC, with higher counts in the winter, and in the summer we observed the highest percentage of non-compliant samples. For the quality payment system, chemical composition resulted on better prices to be paid to producers, while TBC was primarily responsible lower price.

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Biografia do Autor

Flávio José Simioni, Universidade do Estado de Santa Catarina

Economia e Administração Rural

Leandro Sâmia Lopes, Universidade do Estado de Santa Catarina

Prof., Universidade do Estado de Santa Catarina, UDESC, Chapecó, SC, Brasil.

Cassia Regina Nespolo, Universidade do Estado de Santa Catarina

Profª de Nutrição e Biomedicina, Faculdade da Serra Gaúcha, Caxias do Sul, RS, Brasil.

Lenita Moura Stefani, Universidade do Estado de Santa Catarina

Prof., Universidade do Estado de Santa Catarina, UDESC, Chapecó, SC, Brasil.

Rael Bordignon, BRF - Brasil Foods S.A.

Zootecnista, Técnico em Originação de Leite, BRF, Brasil Foods S.A. Chapecó, SC, Brasil.

Mailyn Stephanee Bittelbrun, Universidade do Estado de Santa Catarina

Acadêmica do Curso de Engenharia de Alimentos, UDESC, Pinhalzinho, SC, Brasil.

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Publicado

2014-08-27

Como Citar

Simioni, F. J., Lopes, L. S., Nespolo, C. R., Stefani, L. M., Bordignon, R., & Bittelbrun, M. S. (2014). Season influence on milk physico-chemical and microbiological aspects in Western Santa Catarina. Semina: Ciências Agrárias, 35(4), 2033–2046. https://doi.org/10.5433/1679-0359.2014v35n4p2033

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