Measuring positive emotions in cows: Do visible eye whites tell us anything?

Insight into the emotional lives of animals is of utmost importance to the welfare of the billions of animals in our care, yet little is known about how to measure these states. Scientific understanding of how to measure and interpret positive emotional states is particularly lacking, although recent years have seen a notable increase in […]

Looking into the eyes of a cow: Can eye whites be used as a measure of emotional state?

A number of studies have looked at whether the percentage of visible eye whites could be a reliable and dynamic tool for measuring emotional state in cattle. In this study we have built upon previous research to further test this measure with different stimuli and different types of emotional states in order to assess its […]