1. Department of Animal Nutrition, The University of Agriculture, Peshawar, Pakistan
2. Department of Zoology, Government College University, Faisalabad, Pakistan
3. College of Veterinary Sciences, The University of Agriculture, Peshawar, Pakistan
4. Department of Animal Production, College of Food and Agriculture Science, King Saud University, Riadh, Saudi Arabia
5. Central Veterinary Laboratory, Khartoum, Sudan
6. Department of Soil, Plant and Food Science, University of Bari, Aldomoro, Bari, Italy