New Delhi, Sept. 15 -- Dairy is big business in New York, but the dairy industry is changing and so is the look of dairy farms.

Inside the Cornell Teaching Dairy Barn its breezy and comfortable. The barn is part of the Veterinary School.

Veterinarian and farm manager Blake Nguyen described the place like it's a bovine spa.

"In here we have shade," he said. "We have sprinklers. Fans, to keep the cows cool."

They have constant access to nutritionally-balanced food and back scratchers. They look like the big spinning brushes in a car wash.

Nguyen said they have fewer than 200 cows. That's the average size of a New York dairy farm. Everything at the Cornell barn is about making farming more efficient and profitable.

"In pretty much all ou...