Sedeik , M. E.; El-Shall, N. A.; Awad, A. M.; Abd-Elhamid, H. S.; Ellakany, H. F.; El-nahas, A. F.; Elfeil, W. K. Identifying Intra-Specific Variability in the Virulence of Eimeria Tenella Using SCAR Markers. Int. J. Poult. Sci. 2019, 18 (4), 151–158. https://doi.org/10.3923/ijps.2019.151.158.