1. Department of Pharmacology; Faculty of Veterinary Medicine; Kasetsart University; Bangkok Thailand
2. Eastern Marine and Coastal Resources Research and Development Center; Rayong Thailand
3. Department of Veterinary Sciences; University of Pisa; San Piero a Grado Italy
4. Faculty of Veterinary Technology; Kasetsart University; Bangkok Thailand
5. Department of Microbiology and Immunology; Faculty of Veterinary Medicine; Kasetsart University; Bangkok Thailand