Swiss researchers have developed a new sensor system for cows that sends an SMS alert when reproductive conditions are optimal.

Academics and farmers in Switzerland have developed a new system for cattle that can detect when a cow is in heat. The NY Times reports that a sensor is implanted in the genitals to measure body heat and transmit the results to another sensor on the cow’s collar that tracks body motion (because cows in heat become restless). These results are combined using algorithms and can be consulted on a computer. The collar also features a SIM card so the farmer can pay to receive SMS alerts when the cow is ready for reproduction.

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