two cows have been stolen from the set of brad pitts latest film world war z the pair of fake fibreglass cows were taken by thieves from a field at the grangemouth oil refinery in falkirk scotland where scenes for the zombie movie are being shot the crooks managed to make off with the false animals despite a security guard being on duty at the time one resident who lives near the set site told the daily mirror newspaper these cows dont really look much like real animals so we have been wondering how they might be used they look like concrete but theyre made out of fibreglass and are not as heavy as they look brad is also shooting a number of sequences for the film in glasgow and he and his partner angelina jolie and their six children maddox 10 pax seven shiloh five zahara six and threeyearold twins vivienne and knox will be staying in a 16th century mansion while they are in scotland the lavish property is located in the ayrshire hills and boasts a 10acre garden where horses and pheasants roam freely and a lake where the family can go trout fishing in world war z which is based on the book by max brooks brad plays a un agent who travels the world interviewing survivors of a global zombie attack which occurred 10 years earlierthe 47yearold hollywood heartthrob is also producing the project source bang showbiz