Do cows with names make more milk?
Exploring stock managers’ perceptions of the human–animal relationship on dairy farms and an association with milk production
Cows that have names produce more milk than cows that don’t.
Ig Nobel 2009
Researchers surveyed hundreds of British dairy farmers about how they treat their cows. Farms where each cow had a name reported higher milk yields.
The likely explanation is that farmers who name their cows treat them more gently, and calmer cows produce more milk.
Call her Daisy. It helps.