title: Effect of protein levels and opaque-2 corn on sow and litter performance during the first and second lactation periods.
mesh_terms: D000821:Animal Feed / Q000032:analysis; D000818:Animals; D000831:Animals, Newborn; D001724:Birth Weight; D002118:Calcium / Q000032:analysis; D002130:Calcium Phosphates / Q000032:analysis; D004044:Dietary Proteins; D005247:Feeding Behavior; D005260:Female; D007774:Lactation; D008239:Lysine / Q000032:analysis; D010758:Phosphorus / Q000032:analysis; D011247:Pregnancy; D011506:Proteins / Q000032:analysis; D013025:Glycine max / Q000032:analysis; D013552:Swine / Q000502:physiology*; D003313:Zea mays / Q000032:analysis
chemical_list: D002130:Calcium Phosphates; D004044:Dietary Proteins; D011506:Proteins; D010758:Phosphorus; D008239:Lysine; D002118:Calcium