Beermann, Donald H., and Frank R. Dunshea. “CÁC CH?T H? TR? CHUY?N HÓA (METABOLIC MODIFIERS) S? D?NG TRONG CH?N NUÔI”. Council for Agricultural Science and Technology (CAST) (November 5, 2006). Accessed July 1, 2026. https://publications.cast-science.org/CAST/article/view/154.