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Influence of dairy cow pasture on microbial contamination of raw cow milk
 KOŠTELOVÁ, Lucie
The goal of the graduation theses was a comparsion of the hygienic quality of raw cow&#900;s milk, it was expressed by the value of total bacterial count (TBC) in breeds of milking cows using summer pasture (3 breeds) in comparsion with breeds without using the summer pasture. The breeds differed in technology of stabling and milking procedures, using predipping and size of the herd. During monitoring (from January till December 2007) it was discovered that the breeds using the summer pasture had lower average values of TBC (11,04.103.ml-1) in comparsion with the breeds without using the summer pasture (12,76.103.ml-1), the difference wasn´t statistically significant on the level of significance P < 0,05. Within the frame of breeds with pasture system was detected the lower microbiological contamination of milk in pasture period (TBC = 7,92.103.ml-1) in comparsion to non {--} pasture period (TBC = 13,38.103.ml-1). It´s possible to state that the pasture has positive effect on lowering of milk´s microbial contamination.
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