1. Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
2. Department of Animal Resource, University of Salah al-Din, Erbil, Kurdistan Region, Iraq
3. Institute of Tropical Agriculture, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
4. Halal Products Research Institute, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
5. Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Science, Universiti Putra Malaysia, Serdang, Selangor, Malaysia