PROBLEM TO BE SOLVED: To provide a floor material that simultaneously satisfies the comfort and growth potential of experimental animals and the efficiency of collection of their urine and feces.SOLUTION: A floor material 20 is installed on the bottom face of a breeding cage 1 for breeding experimental animals and has at least its surface composed of resin material. The floor material is provided with a floor face 21 used for the breeding of the experimental animals and multiple through holes 22 with their hole diameters defined on the basis of the size of feces of the experimental animals.COPYRIGHT: (C)2015,JPO&INPIT【課題】実験用動物の快適性及び成長性並びに糞・尿の採集効率性を同時に満足する床材を提供する。【解決手段】実験用動物を飼育するための飼育用ケージ1の底面に設置される、少なくとも表面が樹脂材料からなる床材20であって、前記実験用動物の飼育に供される床面21及び前記実験用動物の糞の大きさに基づいて穴径が規定される多数の貫通孔22が設けられる床材である。【選択図】図1
