Prahkarnkaeo, K., Choowongkomon, K., Chomtee, B., Rakangthong, C., & Bunchasak, C. (2017). Re-estimation of supplemented methionine as total sulfur amino acid requirement for commercial male meat-type ducks. The Thai Journal of Veterinary Medicine, 47(4), 457–464. Retrieved from https://he01.tci-thaijo.org/index.php/tjvm/article/view/107360