In 2012, Swiss researchers fitted sheep with heart monitors to test whether collars could detect wolf panic, trigger a repellent and text the farmer

Swiss scientists have developed an innovative collar for sheep that identifies predator attacks by tracking heart rate changes during wolf simulations. The device activates a repellent and notifies farmers, providing a humane solution to the rising wolf populations in Europe. This venture highlights the role of wearable tech in safeguarding livestock and studying animal interactions with predators.
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