Effect of increasing levels of dietary tryptophan on growth performance, meat yields and cost benefit of commercial broiler chickens. Journal of the Bangladesh Agricultural University, [S. l.], v. 18, n. 1, p. 124–130, 2020. Disponível em: https://banglajol.info/index.php/JBAU/article/view/73491. Acesso em: 29 jun. 2026.