Achariya Sailasuta(Chulalongkorn University, Bangkok (Thailand). Faculty of Veterinary Sciences); Sudarat Damrongwattanapokin(Department of Livestock Development, Bangkok (Thailand). National Institute of Animal Health); Damnoen Chaturawitwong(Charoenpokaphand Company, Bangkok (Thailand). Animal Health and Technical Service Organization); Sunnipa Suradhat(Chulalongkorn University, Bangkok (Thailand). Faculty of Veterinary Sciences); Praveena Kittikoon(Chulalongkorn University, Bangkok (Thailand). Faculty of Veterinary Sciences); Pornchalit Aussawacheep(Chulalongkorn University, Bangkok (Thailand). Faculty of Veterinary Sciences); Supot Wattanapunsak(Chulalongkorn University, Bangkok (Thailand). Faculty of Veterinary Sciences); Sawang Ketdangsakonwut(Chulalongkorn University, Bangkok (Thailand). Faculty of Veterinary Sciences); Sumittra Wattanodorn(Chulalongkorn University, Bangkok (Thailand). Faculty of Veterinary Sciences); Suppasawat Buranawej(Chulalongkorn University, Bangkok (Thailand). Faculty of Veterinary Sciences); Rachod Tantilertcharoen(Chulalongkorn University, Bangkok (Thailand). Faculty of Veterinary Sciences)