1. Department of Poultry Science, Faculty of Animal Husbandry and Veterinary Sciences, The University of Agriculture Peshawar, Peshawar, Pakistan
2. College of Veterinary Sciences, Faculty of Animal Husbandry and Veterinary Sciences, The University of Agriculture Peshawar, Peshawar, Pakistan
3. Department of Poultry Science, Cholistan University of Veterinary and Animal Sciences, Bahawalpur, Pakistan
4. DETO – Section of Veterinary Science and Animal Production, University of Bari ‘Aldo Moro’, Valenzano, Italy