Object of investigations one was results of hygienic and chemical and physical estimation milks to put away to one from cooperative of a creamery in Kujawy and Pomerania province. To analysis we subjected results from 5235 monthly deliveries of milk in period from 2000 to 2003 year. Milk higienic parametrs – total number bacterial count (TBC) and number of somatic cells (SCC) and chemical composition – content of fat and protein in milk and physical factors- acidity and temperature one investigated in dependences from season of purchasing centre and sizes monthly deliveries of milk to cooperative. One introduced also classification of raw milk in dependences from year of purchasing centre, of season and sizes monthly deliveries. One showed influence of season of purchasing centre and sizes monthly deliveries on investigated features of milk. One ascertained improvement of milk hygienic quality. Shows o this height of participation of milk in class Extra and gradual eliminating from purchasing centre of lower classes.

15-22