by Kang, B.K, Kim, K.W, Kang, H.G, Park, I.C. (Chonnam National University, Kwangju (Korea Republic). College of Veterinary Medicine), Son, C.H. (Hormone Research Center, (Korea Republic).), Choi, H.S. (Hyosung Catholic University, Taegu (Korea Republic).), Shin, C.R. (Gil Animal Clinic, Seoul (Korea Republic).)
Published in Taehan Suŭi Hakhoe chi (01.06.1999)