1Faculty of Veterinary Medicine, University Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.
2Institute of Tropical Agriculture, University Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.
3Department of Human Anatomy, Faculty of Medicine and Health Sciences, University Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.
4Department of Animal Science, University Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.
5Department of Animal Science, University of Mohaghegh Ardabili, P.O. Box: 179, Ardabil, Iran.
Email: [email protected]