Trends in cattle nutrition.
D000821:Animal Feed; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D002417:Cattle / Q000378:metabolism*; D003612:Dairying; D004044:Dietary Proteins; D005260:Female; D007774:Lactation; D008894:Milk Proteins; D009584:Nitrogen / Q000378:metabolism; D011247:Pregnancy; D012417:Rumen / Q000382:microbiology; D006113:United Kingdom; D014508:Urea / Q000378:metabolism
D004044:Dietary Proteins; D008894:Milk Proteins; D014508:Urea; D009584:Nitrogen