U. Farooq, A. Ijaz, N. Ahmad, H. Rehman, H. Zaneb
1 University College of Veterinary and Animal Sciences, The Islamia University of Bahawalpur, Pakistan
2 Department of Physiology, University of Veterinary and Animal Sciences, Lahore, Pakistan
3 Department of Theriogenology, University of Agriculture, Faisalabad, Pakistan
4 Department of Anatomy and Histology, University of Veterinary and Animal Sciences, Lahore, Pakistan