Effects of Phytase and Vitamin D₃ addition to Diets Containing Distillers Dried Grains with Solubles (DDGS) on Performance and Some Egg Traits in Laying Hens

Bekir Hakan Koksal, Pinar Sacakli and Ahmet Ergun

International Journal of Poultry Science 11 ( 4 ): 259 - 263 , 2012