title: Effect of dietary lysine levels on 21-day lactation performance of first-litter sows.
mesh_terms: D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D004032:Diet; D005260:Female; D007774:Lactation; D008239:Lysine / Q000378:metabolism*; D011247:Pregnancy; D013552:Swine / Q000378:metabolism*; D013997:Time Factors
chemical_list: D008239:Lysine