Effect of dietary conditions upon serum- and milk-urea nitrogen in cows. I. Serum- and milk-urea nitrogen as affected by protein intake.
D000818:Animals; D001806:Blood Urea Nitrogen; D002417:Cattle; D004044:Dietary Proteins; D005260:Female; D008892:Milk / Q000032:analysis*; D009584:Nitrogen / Q000032:analysis*; D014508:Urea / Q000032:analysis*
D004044:Dietary Proteins; D014508:Urea; D009584:Nitrogen