As part of their research, AgResearch scientists have developed a custom-made apparatus that lets them ask cows to work for their needs.
The apparatus includes a moving rod, which guides the cows away from food and shelter, forcing them to walk back to the same place to access the food or shelter again.
AdvertisementSenior scientist Dr Lindsay Matthews said the device gives scientists an insight into the cow's subjective experiences.
He said they have tested the apparatus at a dairy farm near Hamilton, adding that this was the first time anyone had attempted to do this kind of research with a large operation of cows.
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