1. Department of Animal Production, Faculty of Agriculture, Jordan University of Science and Technology, Irbid, Jordan;
2. Department of Basic Medical Veterinary Sciences, Faculty of Veterinary Medicine, Jordan University of Science and Technology, Irbid, Jordan;
3. National Agricultural Research Center (NARC), Baq, Jordan;
4. Department of Sciences, FNAS Notre Dame University-Louaize, Beirut-Lebanon