[1P-705] Assessment of nest-building behaviors in juvenile male mice exposed to social isolation stress

^○Yusuke Isozaki¹, Natsuki Takegahara², Misa Iwasaki¹, Takahiro Kawase³, Takamitsu Tsukahara³, Masanori Tohno^4,5, Tsuyoshi Okayama^1,6,7, Atsushi Toyoda^1,2,7 (1.Grad. Sch. of Agri., Ibaraki Univ, 2.Dept. of Food Life. Sci., Col. of Agri., Ibaraki Univ, 3.Kyoto Inst. of Nutr. & Pathol. Inc, 4.Inst. of Livest. & Grassl. Sci., NARO, 5.Genet. Resour. Cent., NARO, 6.Dept. of Region Compr. Agri., Col. of Agri., Ibaraki Univ, 7.Unit. Grad. Sch. of Agri. Sci., Tokyo. Univ. of Agri. and Tec)