^○Thuong Nguyen Thi¹, Ayumi Miyake², Yuji Tanabe², Takeshi Tsuruta¹, Naoki Nishino¹ (1.Okayama Univ., 2.Okayama Prefecture Livestock Research Institute)

^○Qui Nguyen Dang, Masumi Kanadani, Tsuruta Takeshi, Nishino Naoki (Okayama Univ.)

^○大和田 尚¹, 上野 豊², 武本 智嗣¹, 矢澤 慈人¹, 平野 和夫¹ (1.全農飼中研, 2.信州大農)