text: A 60-cow platform is about 70 feet in diameter. Cows go onto the platform that is provided with 60 robot milkers. They are milked in 5 to 7 minutes, before exiting after a 9-minute rotation, or one every 10 seconds. Photo taken May 9, 2018, Lisbon, N.D. (Forum News Service/Agweek/Mikkel Pates