المصدر: A. Malik1, 2, H. Wahid2,*, Y. Rosnina2, A. Kasim3 and M. Sabri4 1Department of Animal Science, Faculty of Agriculture, Islamic Kalimantan University, Banjarmasin, Indonesia 2Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia. 3Department of Animal Science, Faculty of Agriculture. Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia 4Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia