1. Research Group on Toxic Substances in Livestock and Aquatic Animals, Khon Kaen University, Khon Kaen, Thailand;
2. Department of Environmental Science, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand;
3. Department of Veterinary Medicine, Faculty of Veterinary Medicine, Khon Kaen University, Khon Kaen, Thailand;
4. Faculty of Applied Science and Engineering, Nong Khai Campus, Khon Kaen University, Nong Khai, Thailand