Khattab, T., & 		AL-Baddy, M.
2019 Mar 26.  The Effect Addition Enzymes to Diets Containing Different Ratios of Corn Dried Distillers Grains With Soluble ( DDGS ) in Some Physiological Traits in Laying Hen.. Tikrit Journal for Agricultural Sciences مجلة تكريت للعلوم الزراعية. [Online] 16:4