Research Article
Effects of Citric Acid Supplementation on Phytate Phosphorus Utilization and Efficiency of Microbial Phytase in Laying Hen
Department of Animal Science, Islamic Azad University, Shabestar Branch, Shabestar, Iran
M. Shivazad
Department of Animal science, Faculty of Agriculture, University of Tehran, Karaj, Iran
R. Taherkhani
Department of Animal science, Faculty of Agriculture, University of Tehran, Karaj, Iran
K. Nazeradl
Department of Animal science, Faculty of Agriculture, University of Tehran, Karaj, Iran