title: The effect of nitrogen source in the diet on milk production and amino-acid uptake by the udder.
mesh_terms: D000018:Abomasum; D000596:Amino Acids / Q000378:metabolism*; D000601:Amino Acids, Essential / Q000378:metabolism; D000818:Animals; D002364:Caseins / Q000008:administration & dosage*; D002417:Cattle; D005260:Female; D005557:Formaldehyde; D007774:Lactation; D008321:Mammary Glands, Animal / Q000378:metabolism*; D008892:Milk / Q000378:metabolism; D009584:Nitrogen / Q000378:metabolism; D011247:Pregnancy; D014508:Urea / Q000378:metabolism
chemical_list: D000596:Amino Acids; D000601:Amino Acids, Essential; D002364:Caseins; D005557:Formaldehyde; D014508:Urea; D009584:Nitrogen