| 摘要 |
<p>A method and apparatus for indicating when a female stock animal has been ridden or mounted by another stock animal comprises providing indicator means which is mounted on a female animal to be monitored. The apparatus is directly engaged by the other stock animal during riding or mounting and pressure applied to a smoothly curved actuator causes release of a signalling element to provide a visually observable signal. The device is re-setable by simple manual intervention and can be transferred to another animal after use.</p> |
