It’s well known that happy workers of the human variety are also productive workers, and farmers know that the same holds true for animals. However, because animals aren’t likely to reveal their emotional state on a psychiatrist’s couch, the current methods to measure animals’ wellbeing has largely focused on biological indicators of stress via blood tests or through studies of animal behavior. Now researchers are looking to use cognitive principles based on human psychological theories to assess animal emotions.
Read the full article: Does your turkey look happy? Quantifying farm animals' feelings