title: The effect of the concentration and type of protein in the diet on milk secretion and nitrogen retention in the goat.
mesh_terms: D000818:Animals; D004044:Dietary Proteins / Q000494:pharmacology*; D005260:Female; D006041:Goats / Q000378:metabolism*; D007774:Lactation; D008892:Milk / Q000378:metabolism*; D009584:Nitrogen / Q000378:metabolism*; D011247:Pregnancy
chemical_list: D004044:Dietary Proteins; D009584:Nitrogen