Variation in cell content of milk associated with time of sample collection. I. Diurnal variation.
D000818:Animals; D002417:Cattle; D002940:Circadian Rhythm; D005260:Female; D008837:Micrococcus / Q000302:isolation & purification; D008892:Milk / Q000382:microbiology*; D013210:Staphylococcus / Q000302:isolation & purification