Mahmood, S. A., Ijaz, A., Ahmad, N., Rehman, H. U., Zaneb, H., Unit, U. F. S. P., Karaniwala, Bahawalpur, & Pakistan (2013). STUDIES ON LIBIDO AND SERUM TESTOSTERONE CONCENTRATION OF CHOLISTANI AI BULLS UNDER STRESS FREE AND STRESSFUL SEASONS. Journal of Animal and Plant Sciences, 23(6), 1491-1495.