Nicotinic acid--tryptophan relationship in the nutrition of the weanling pig.
D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D004032:Diet / Q000662:veterinary; D004044:Dietary Proteins / Q000378:metabolism; D009539:Nicotinic Acids / Q000378:metabolism*; D013552:Swine / Q000254:growth & development*; D014364:Tryptophan / Q000378:metabolism*; D003313:Zea mays
D004044:Dietary Proteins; D009539:Nicotinic Acids; D014364:Tryptophan