• 19.
• 2016 Joint Annual Meeting (ASAS-ADSA-CSAS-WSASAS). ASAS-ADSA-CSAS-WSASAS (America). Effects of Forage or Concentrate Feeding, Separately or as a TMR, on Ruminal Methane Emission, Fermentation Characteristics, and Total Tract Digestibility (2016년 7월 19-23)
• 

• 18.
• 17th Asian-Australasian Association of Animal Production Societies Animal Science Congress. Asian-Australasian Association of Animal Production Societies (Japan). Diurnal changes in the methane concentration in the rumen headspace of cannulated cattle (2016년 8월 22-25)
• 

• 17.
• The 119th Japanese Society of Animal Science Conference. Japanese Society of Animal Science. Analysis of methane gas collected by syringe needle passed through ruminal cannula stopper (2015년 3월 28-30)
• 

• 16.
• The 16th AAAP Congress. Indonesian Society of Animal Sciences. Effect of Heat Treated Soybean Meal on Starch Disappearance in the Gastrointestine of Hanwoo Steers (2014년 11월 10-14)
• 

• 15.
• The 16th AAAP Congress. Indonesian Society of Animal Science. Effect of Caprylic Acid and β -Cyclodextrin Complex on Methane Production In Vitro and In Vivo (2014년 11월 10-14)
• 

• 14.
• Joint ISNH/ISRP international Conference 2014. Australian Society of Animal production. Effects of Palm Oil Supplementation on Fatty Acid Composition of Korean Native Cattle Meat (2014년 9월 8-12)
• 

• 13.
• Joint ISNH/ISRP International Conference 2014. Australian Scociety of Animal Science. Effects of Physically Effective Neutral Detergent Fibre Content on Dry Matter Intake,Digestibility, and Chewing Activity in Beef Cattle Fed Total Mixed Ration (2014년 9월 8-12)
• 

• 12.
• 견우자 추출물을 유효성분으로 함유하는 반추동물 메탄 저감용 사료첨가제 조성물 (2016년 8월)
• 

• 11.
• Comparison of methane production of Holstein steers fed forage and concentrates separately or as a TMR. Journal of the Korean Society of Grassland and Forage Science. (2016) 36:104-108. (Corresponding author)
• 

• 10.
• Energy balance and methane production of Hanwoo cows fed various kind of roughage. Journal of the Korean Society of Grassland and Forage Science. (2014) 34:283-287. (Corresponding author)
• 

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