Research Article
The Effects of Microbial Phytase and Dietary Calcium Level on the Performance and Eggshell Quality in Laying Hens Fed Marginal Phosphorus Diets
Department of Animal Production, Faculty of Agriculture, Jarash Private University, P.O. Box 311, Jarash, 26110, Jordan
Ramadan Al-Shdefat
Department of Pharmaceutics, Faculty of Pharmacy, Al-Kharj University, Saudi Arabia
Ashraf Khashroum
Department of Plant Production, Faculty of Agriculture, Jarash Private University, P.O. Box 311, Jarash, 26110, Jordan