1. International Conference of the Agricultural Science Research Institute, Chungnam National University – Evaluation of enteric methane emission from growing and finishing pigs – Daehoon Kim

2. International Conference of the Agricultural Science Research Institute, Chungnam National University – Odor reduction effect of rice husk biochar addition in a bedded pack dairy barn – Jinho Shin

3. Korean Society of Livestock Environment – Evaluation of enteric methane emissions from growing and finishing pigs – Daehoon Kim

4. Korean Society of Odor Environment – Effect of dietary peat moss supplementation on ammonia, hydrogen sulfide, and methane emissions in sows – Yangjun Lee