Quality of raw milk refrigerated granelizado collected in southwest goiano
DOI:
https://doi.org/10.14295/2238-6416.v70i6.489Keywords:
Tank isothermal, expansion tank, storage, TBC, SCC, chemical composition.Abstract
The present study aimed to evaluate the microbiological and physicochemical quality of milk in different production systems, producers arising from individual and collective, in the region of Rio Verde – GO. Samples were collected from refrigerated raw milk, stored in expansion tank farms and isothermal tanks of from the region of southwestern goiano. The samples were analyzed electronically regarding SCC, composition and TBC. We collected 51 samples of milk from farm tanks, 12 collections of milking machine and 39 of milking, 13 from tanks producers collective and 38 from individual tanks. We also collected 52 samples of raw milk refrigerated (Collection 1), 15 milk samples were collected granelizado after the end of route on farms (Collection 2) and 15 milk samples were collected granelizado after arrival at the dairy (Collection 3). The results were statistically analyzed by the SISVAR by Tukey test at 5% significance. In respect to composition only fat refrigerated raw milk transported in bulk differed significantly between samples, the variation may be due to the sampling procedure, the other results showed no statistical difference. Poor refrigeration granelizada milk production at the source resulted in CBT above allowed. The milk milked mechanically and come from individual producers resulted in SCC above the limit established by Brazilian legislation. Sanitary-hygienic measures taken more criteria are necessary to quality physico-chemical characteristics are maintained.
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