[1]
F. Yan, J. Kersey, C. Fritts, and P. Waldroup, “Effect of Phytase Supplementation on the Calcium Requirement of Broiler Chicks”, Int. J. Poult. Sci., vol. 5, no. 2, pp. 112–120, Jan. 2006, doi: 10.3923/ijps.2006.112.120.