A bespoke era of calf husbandry will be investigated by Canadian researchers after trials suggested dairy calves are naturally optimistic or pessimistic. Calves can be either persistently optimistic and bold or fearful and pessimistic, concluded a University of British Columbia trial which looked at the behaviour of 22 Holstein calves. This is the first time the idea calves have a personality and display judgement bias has been supported by scientific research. Research leader Maria von Keyserlingk said considering each individual […]
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