ALABA, O. EffectofDietaryL-TryptophanSupplementationonGrowth Performance and Serum Metabolites of Weaner Pigs. Nigerian Journal of Animal Science, [S. l.], v. 20, n. 1, 2023. Disponível em: https://www.njas.org.ng/index.php/php/article/view/517. Acesso em: 31 may. 2026.