Give a cow a brush, and watch it scratch that itch

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Peter Wall Institute Faculty Associate Marina von Keyserlingk was recently interviewed for an article in The New York Times about about why mechanical brushes are so important for the well-being of dairy cows. 

Von Keyserlingk, who studies animal welfare at UBC, explained how her team found that cows worked equally hard to open a weighted gate and rub on a brush, as they did to get to food.