Problem to be solved: to provide a disinfecting technique capable of disinfecting a plurality of dairy cows continuously and disinfecting portions where hoof disease can easily occur in a hoof.The disinfectant device of the embodiment comprises a cover having at least a horizontal opening located at a position higher than the floor surface and corresponding to the back side of the hoof of the hind leg of the animal, which is placed on the floor where the animal is standing, and is covered with the cover, and the opening is directed toward the back of the hoof of the hind leg of the animal A first nozzle for spraying the disinfectant is provided.Diagram【課題】連続して多頭の乳牛を消毒することが可能であり、かつ蹄において蹄病が生じやすい部位を消毒可能な消毒技術を提供する。【解決手段】実施形態の消毒装置は、動物が立つ床に設置され、床面より高い位置かつ前記動物の後足の蹄の後ろ側に対応する位置に、少なくとも水平方向に開いた開口があるカバーと、前記カバーに覆われ、前記動物の後足の蹄の後ろ側に向けて前記開口を介して消毒液を噴霧する第１ノズルと、を備える。【選択図】図２
