Kil, Dong Yong, and Hans H Stein. “Dietary Soybean Oil and Choice White Grease Improve Apparent Ileal Digestibility of Amino Acids in Swine Diets Containing Corn, Soybean Meal, and Distillers Dried Grains With Solubles”. Revista Colombiana de Ciencias Pecuarias 24, no. 3 (July 29, 2016): 248–253. Accessed January 30, 2025. https://revistas.udea.edu.co/index.php/rccp/article/view/324680.