from the New York Times 9th annual year in ideas

For dairy farmers, whether to name their cows may seem like a matter of taste. But it might not be. It could be a business decision. A study of several hundred British dairies published in the journal Anthrozoös in March compared responses to a survey about cow treatment with independently collected milk data and found that cows that have names make, in a given year, about 258 liters more milk per farm than anonymous ones — a bump of about 6 percent.