1. Department of Animal Production, College of Food and Agricultural Sciences, King Saud University, PO Box 2460, Riyadh 11451, Saudi Arabia
2. Camel Research Centre, King Faisal University, PO Box 1757, Al-Hasa 31982, Saudi Arabia
3. King Khalid Wildlife Research Center, National Commission for Wildlife Conservation and Development, PO Box 61881, Riyadh 11575, Saudi Arabia