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The examinations included milk delivered from 22 gathering stations of the Dairy Products Factory in Siedlce. In total 154 milk samples were tested. The concentration of lead (Pb) and cadmium (Cd) in milk was determined by atomic absorption spectroscopy. Residual antibiotics with beta-lactam ring were assessed by the Penzym test, while a quick diffusion test was used to discover the presence of inhibiting...
The objective of the studies was to evaluate the hygienic quality of raw milk from individual milk producers during a one year period. The total number of bacteria in one ml of milk was evaluated by the use of BACTO-SCAN 8000 equipment. It was found that the percentage of producers of the highest hygienic quality milk (up to 10⁵ bacterial cells/ml of milk) was significantly higher in winter (9.2%)...
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