Kaewtapee, Chanwit, and Chaiyapoom Bunchasak. “Comparative effect of DL-methionine and DL-methionine hydroxy analogue supplemented diet on productive performance, fat accumulation and lipid profile in blood of meat-type ducks”. The Thai Journal of Veterinary Medicine 48, no. 4 (March 25, 2019): 645–653. accessed October 10, 2026. https://he01.tci-thaijo.org/index.php/tjvm/article/view/179858.