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Muhammad Irfan
College of Veterinary Medicine
Kyungpook National UniversityDaegu
Nasir Mukhtar
Department of Poultry Sciences (Station for Ostrich research & Development), Faculty of Veterinary and Animal Sciences,
PMAS-Arid Agriculture UniversityRawalpindi, Pakistan
Tanveer Ahmad
Department of Clinical Sciences, Faculty of Veterinary Sciences,
Bahauddin Zakariya UniversityMultan, Pakistan