* Education

- Ph. D, Agr University of Queensland

* Publications

-The Effect of Non-Structural Carbohydrate(NSC) and Rumen Degradable Protein(RDP) on Availabilities of Nutrient and Microbial      Yielas in Batch Culture. The 7th World Conference on Animal Production 2:64-65. Edmonton,Alberta,Canada.(1993) Maeng,W.J.,        Kim,D.S,,Lee,S.R.,Ahn,J.H. and Hwang, S.K.

-Effects of Level of Non-Structural Carbohydrates and Rrmen Digradanle Protein on Rumonal and Blood Parameters and Utiotzation    of Nutrients in Sheep. Proceedings of the Society of the Society of Nutritionl Physiology 3:46 (1994)  D.S Kim, M.B. Chang, j.s. Kim, J.H Ahn, S.R. Lee and W.J. Maeng. 

-Riding Youth introdution (2009. 12)

-International AgriculturalDevelopment Studies (2006. 05)

-Animal Nutrition (2004. 12) 

-Introduction to Animal Resources Science (2003. 8)