Evaluation of methods of analysis to determine the somatic cell count in raw milk, kept in the cooling tank
DOI:
https://doi.org/10.14295/2238-6416.v69i3.274Keywords:
somatic cell score, mastitis, milk qualityAbstract
We analyzed the quality of raw milk from eight dairy property in Rio Grande do Norte, Brazil, stored in a cooling tank, in order to evaluate methods for determining somatic cell counts (SCC). The Somaticell® kit and a portable Direct Cell Counter (DCC) were compared with each other and with the MilkoScanTM FT+ (FOSS Denmark), which uses Fourier Transform Infrared Spectroscopy (FTIS). Direct cell counter data were processed for somatic cell scores (log-transformed somatic cell count) and analyzed with the SAS®, Statistical Analysis System. Comparison of means and correlation of somatic cell scores were conducted using Pearson’s correlation coefficient and the Tukey Test at 1%. No significant difference was observed for comparison of means. The correlation between somatic cell scores was significant, that is, 0.907 and 0.876 between the MilkoScanTM FT + and the Somaticell® kit and Direct Cell Count (DCC) respectively, and 0.943 between the Somaticell® kit and Direct Cell Count (DCC). The methods can be recommended for monitoring the quality of raw milk kept in a cooling tank in the production unit.Downloads
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