Prahkarnkaeo, Kriengkrai, Kiattawee Choowongkomon, Boonorm Chomtee, Choawit Rakangthong, and Chaiyapoom Bunchasak. “Re-Estimation of Supplemented Methionine As Total Sulfur Amino Acid Requirement for Commercial Male Meat-Type Ducks”. The Thai Journal of Veterinary Medicine 47, no. 4 (December 28, 2017): 457–464. Accessed May 3, 2024. https://he01.tci-thaijo.org/index.php/tjvm/article/view/107360.