The data is sent from the sensors to a hub, where the cow's every movement is collated and analysed using complex behavioural algorithms.
From this, the system can tell the farmer via real time alerts delivered to his smartphone whether the cow is ill, or is in heat and ready to be inseminated.
"You can see in the system when a cow is beginning to be not so happy. The system can tell me two whole days before I can see with my own eyes if the cow is sick," says Mr Christensen.