Clip: Season 7 Episode 12 | 4m 51s Video has closed captioning.
It’s generally thought in the dairy industry that a happy cow is a productive cow. But how can you tell if a cow is happy? That’s where scientists like Jennifer Van Os come in. Van Os is an animal welfare specialist with the University of Wisconsin who works with dairy producers to improve conditions for their herds.
Problems Playing Video? | Closed Captioning