I'm guessing the rotary parlor isn't operational 24 hours. 550 goats a day, at 40 per round is about 14 rounds, so possibly 2 rounds per hour. Can you really milk 550 goats in 8 hours?
Until I played one of the Carmen games from 1995 with Lynn Thigpen, and I found a note left behind from one of her agents, I didn't realize that Carmen pays her people too Lol