PROBLEM TO BE SOLVED: To solve a problem that by a conventional rearing space, a pet must cross the interior of a room for going out to outdoor when the pet works at the outdoor, and disperses hairs, sebum (dandruff) and the feces and cadavers of acarids accompanying with them widely in all over the room to cause the onset of allergic diseases in a family living together.SOLUTION: The space installed in the lower direction of a housing shelf and having a closed back surface and side surface is provided by installing a surface material excellent in abrasion resistance and antifouling property such as a melamine plate etc., at the side surface, also installing an outer frame and a wicket door consisting of a window material of a semi-transparent soft resin, and fixed at the outer frame as freely openable and closable at the back surface, and since the pet can directly move to the outdoor without crossing the interior of the room, it is possible to keep the interior of the room clean.COPYRIGHT: (C)2011,JPO&INPIT【課題】従来の飼育空間では、ペットが室外で活動する際に室内を横切って室外に出なければならず、毛や皮脂(ふけ)及びこれにまつわるダニの糞や死骸を室内全体に広く発散させて同居家族にアレルギー性疾患を発生させる原因となる。【解決手段】収納棚の下方に設けられ後面と側面とが閉鎖された空間であって、前記側面には表面が耐摩耗性及び耐汚染性に優れたメラミン板等の面材が設けられ、後面には外枠と該外枠に開閉自在に固定した半透明の軟質樹脂の窓材からなるくぐり戸が設けられており、室内を横切ることなくペットが室外に直接移動でき室内を清潔に保持できる。【選択図】 図1