1. Department of Poultry Science, Faculty of Animal Husbandry and Veterinary Sciences, The University of Agriculture Peshawar, Pakistan
2. Department of Zoology, Government College University, Faisalabad, Pakistan
3. Department of Animal Production, College of Food and Agriculture Science, King Saud University, Riyadh, Saudi Arabia
4. Centre veterinary Research Laboratory, Khartoum, Sudan
5. Soil, Plant and Food Science, University of Bari ‘Aldo Moro’, Valenzano, Italy