• Research on the various branching patterns of Aorta/Subclavian artery in wild animals

• Gross anatomical researches on the comparative anatomy

• PhD : Basic Veterinary Science, College of Veterinary Medicine, Jeonbuk National University

• MS : Basic Veterinary Science, College of Veterinary Medicine, Jeonbuk National University

• BSc : College of Veterinary Medicine, Jeonbuk National University

• 2000-2009 Professor in College of Veterinary Medicine, Kangwon National University

• 2002-2003 NIH(National Institute of Health), Visiting Fellow(U.S.A)

• 2006-2007 Chair of Department of Veterinary Medicine & Animal Hospital for Teaching, Kangwon National University

• 2009-Present Professor in College of Veterinary Medicine, Jeonbuk National University

• 2012-2014 Chair of Department of Preveterinary Medicine, Jeonbuk National Universtiy

• 2014-2016 Vice Dean in College of Veterinary Medicine, Jeonbuk National University

• 2016-2018 Director of Bio-safety Research Institute, Jeonbuk National University

• 2018-2020 Director of Honor Residential College in Jeonbuk National Univestiy

• 2020-2022 Dean in College of Veterinary Medicine, Jeonbuk National University

• Jang YJ, Jeong PS, Tae HJ, Park BY, Kim IS, Ahn D. Morphology of subclavian artery branching patterns in cats (Felis catus). J Vet Sci. 26(3):e35. 2025.

• Ahn DC, Jeong PS, Chang JH, Park BY, Tae HJ, Kim IS. Morphometric studies on the skeleton of hind limb of Korean native steers with postnatal development. Korean J Vet Serv. 48(2)131-142. 2025.

• Lee E, Jang YJ, Kim IS, Tae HJ, Sim J, Ahn D. Morphology of the aortic arch branching pattern in raccoon dogs (Nyctereutes procyonoides, Gray, 1834). J Vet Sci. 25(2):e32. 2024.

• Jang YJ, Park BY, Tae HJ, Sim J, Ahn D. Whole-exome sequencing analysis of patent ductus arteriosus in a Japanese macaque (Macaca fuscata). J Med Primatol. 53(1):e12686. 2024.

• Kang MC, Kwon J, Kim IS, Park BY, Tae HJ, Jang YJ, Sim J, Ahn D. Morphological and morphometric study of the scapulae of Korean wild deer. Sci Rep. 13(1):7620. 2023.

• Jang YJ, Sim J, Lee Y, Ahn D. Morphology of aortic arch branching patterns in the Eurasian Otter (Lutra lutra, Linnaeus, 1758). J Vet Med Sci. 85(4):399-406. 2023.

• Kim IS, Sim J, Cho JW, Kim B, Lee Y, Ahn D. Osteoporosis in an Asian small-clawed otter (Aonyx cinereus Illiger, 1815). J Vet Med Sci. 82(3):376-378. 2020.

• Sim JH, Shin S, Kim WK, Oh HS, Kim IS, Ahn D. Various branching patterns of the aortic arch in the Siberian roe deer (Capreolus pygargus Pallas, 1771) on Jeju Island. J Vet Med Sci. 81(2):160-164. 2019.

• Shin S, Sim JH, Kim JT, Oh HS, Tae HJ, Park BY, Kim IS, Ahn D. Branching patterns of the aortic arch in the Siberian roe deer (Capreolus pygargus Pallas, 1771). J Vet Med Sci. 80(1):128-132. 2018.

• Sim JH, Ahn D. Anatomy of the diaphyseal nutrient foramen in the long bones of the pectoral limb of German Shepherds. Korean J Vet Res. 54(3):179-184. 2014.

• Tae HJ, Park BY, Kim IS, Ahn D. Morphological Examination of the Obturator Notch and Canal in Cervidae. J Vet Med Sci. 76(5):767-771. 2014.

• Ahn D. Anatomical Study on the Diaphyseal Nutrient Foramen of the Femur and Tibia of the German Shepherd Dog. J Vet Med Sci. 75(6):803-808. 2013.

• Kim IS, Yang HH, Tae HJ, Na IJ, Leem HS, Ahn DC. Branching patterns of the subclavian arteries in German shepherd dogs. Anat Histol Embryol. 39(6):529-533. 2010.