If you were to visit the University of Maine’s Witter Farm in the quiet hours before sunrise, you would see bleary-eyed students shuffle through their morning chores. At 4:30 a.m., students bring the farm’s dairy cows into a tie-stall barn for the first of their twice-per-day milking. The next will take place at 4:30 p.m., read more State’s third robotic milking barn under construction at UMaine’s Witter Farm