ALABI, J O, et al. “Influence of in Ovo Threonine on Growth Performance, Immunocompetence and Carcass Characteristics in Broiler Chickens”. The Indian Journal of Animal Sciences, vol. 90, no. 12, July 2021, pp. 1628-37, https://doi.org/10.56093/ijans.v90i12.113199.