Hassan, A. M., et al. “Comparative Study on Semen Characteristics, Haematology, and Serum Biochemical Indices of Fulani Ecotype and Bovansnera Cocks in Semi-Arid Zone of Nigeria”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 15, no. 2, Oct. 2014, pp. 265-71, https://www.gssrr.org/JournalOfBasicAndApplied/article/view/2705.