More than 60 cows worth up to $2,000 each were stolen during an audacious theft in Ohio over the weekend. ​ The calves vanished between the hours of 10 p.m. Saturday and 6 a.m. Sunday from a converted cattle barn in Coldwater, around 70 miles from Dayton . Mercer County Sheriff Doug Timmerman told The Daily Standard he suspects the thieves were experienced with cattle and came equipped for the job. “We suspect it has to be somebody that's very familiar with handling cattle and have the equipment and means to be able to transport that, and not only that, but to care for them afterwards and to have an outlet for them once they leave there,” Timmerman said. Over 60 Holsteins worth up to $2,000 each were stolen from a farm in Coldwater, Ohio (stock) (Getty) The thieves would have needed “some pretty serious equipment” to pull off the heist, the sheriff explained, as a van would not have been enough to load the cattle.…