1. The Center for Veterinary Diagnosis, Faculty of Veterinary Science, Mahidol University , Salaya , Phutthamonthon, Nakhon Pathom 73170 , Thailand
2. Prasu-Arthorn Animal Hospital, Faculty of Veterinary Science, Mahidol University , Salaya , Phutthamonthon, Nakhon Pathom 73170 , Thailand
3. Institute of Nutrition, Mahidol University , Salaya , Phutthamonthon, Nakhon Pathom 73170 , Thailand
4. Department of Pre-clinical and Applied Animal Science, Faculty of Veterinary Science, Mahidol University , Salaya , Phutthamonthon, Nakhon Pathom 73170 , Thailand