Observations on the levels of non-protein and urea nitrogen in serum and milk of cows.
D000821:Animal Feed; D000818:Animals; D001806:Blood Urea Nitrogen; D001835:Body Weight; D002417:Cattle; D004044:Dietary Proteins; D005260:Female; D007774:Lactation; D008892:Milk / Q000032:analysis*; D009584:Nitrogen / Q000032:analysis*; D011247:Pregnancy
D004044:Dietary Proteins; D009584:Nitrogen