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- Title
Quality of refrigerated raw milk according to the bulk transport conditions.
- Authors
Felipus, Nadine Cristina; Bogdano Bajaluk, Sergio Antonio; Thaler Neto, André; Knob, Deise Aline; Moro Alessio, Dileta Regina
- Abstract
Technical regulations that determine milk quality standards in Brazil establish the minimum criteria that the processing industry's raw material must present. These rules can challenge the logistics sector (transport) to maintain adequate milk conservation levels. We aimed to evaluate the influence of bulk transport and storage conditions on refrigerated raw milk quality. The experiment was carried out in a dairy industry in Santa Catarina State. Information and samples of refrigerated raw milk were collected from dairy farms, from isothermal compartments of milk trucks, and from the industry's storage silo. These samples were submitted to microbiological analysis, somatic cell count (SCC), and physicochemical analysis. The results were evaluated by ANOVA and multivariate analysis (factor analysis). The transport of raw milk in bulk and the transfer of raw material to the industrial silo worsened the milk's microbiological quality (p < 0.0001) for standard plate count (SPC) and psychrotrophic microorganism count (PMC), without affecting, the physicochemical characteristics of the milk (p > 0.05). Poor hygienic conditions in milk storage rooms, in the refrigeration bulk tanks of the dairy farms, and during the transport, as well as the transport on longer routes, were related to higher SPC and psychrotrophic count while receiving milk by the dairy industry with higher temperatures was only associated with higher SPC.
- Subjects
RAW milk; DAIRY farms; MILK quality; MILK storage; MILK industry; FACTOR analysis
- Publication
Acta Scientiarum: Animal Sciences, 2023, Issue 45, p1
- ISSN
1806-2636
- Publication type
Article
- DOI
10.4025/actascianimsci.v45i1.58353