Effect of Fiber Degrading Enzyme (Extracted from Chatomium thermophyle) on Egg Quality, Dry Matter Retention and Economic Appraisal in Old Age Layers Using High Fiber Rations

Atia Bahseer, Ahsan Ul Haq and Imran Zahoor

Pakistan Journal of Nutrition 13 ( 8 ): 446 - 450 , 2014