1. N. Ahmad:
Department of Parasitology, University of Veterinary and Animal Sciences, Lahore Pakistan
2. A. Maqbool:
Department of Parasitology, University of Veterinary and Animal Sciences, Lahore Pakistan
3. K. Saeed:
Department of Parasitology, University of Veterinary and Animal Sciences, Lahore Pakistan
4. K. Ashraf:
Department of Parasitology, University of Veterinary and Animal Sciences, Lahore Pakistan
5. M. F. Qamar:
University College of Veterinary and Animal Sciences, The Islamia University of Bahawalpur, Pakistan