PROBLEM TO BE SOLVED: To provide means for detecting easily a mounting behaviour or the like.SOLUTION: In a mounting behaviour detection system including a device on a mounting side fitted to a neck of one livestock, for emitting a transmission signal, and a device on a mounted side fitted on a some position between a back and a tail of another livestock, a mounting behaviour is detected based on a plurality of responses from the device on the mounted side.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】乗駕行動等を容易に検出する手段の提供。【解決手段】一の家畜の首に取り付けられ、発信信号を発する乗駕側装置と、他の家畜の背中から尾までいずれかの位置に取り付けられた被乗駕側装置とを含み、被乗駕側装置から複数回の応答に基づいて乗駕行動を検出する。【選択図】図1
