El Sayed, Rania, Doaa Ibrahim, Shefaa A.M. El-Mandrawy, and Doaa M. AbdelFattah. “EFFECT OF DIETARY BETAINE AND LOW METHIONINE ON MULARD DUCK PERFORMANCE, BLOOD PARAMETERS AND LIPOGENESIS GENE EXPRESSION”. Slovenian Veterinary Research 55, no. 20-Suppl (November 9, 2018): 283–94. Accessed July 22, 2026. https://slovetres.si/index.php/SVR/article/view/2014.