Stuart McKeever, who farms in Ardee, Co Louth, told the Irish Farmers Journal that a one-year-old Limousin cross bullock worth up to €1,000 has been missing from his farm.
While Stuart said the animal initially broke out of a field, he has now reported it stolen to gardaí as it is still hasn't reappeared.
The farmer has offered a reward for the return of the bullock.
Anyone with information is asked to contact Stuart and Marion McKeever on 087-0525226 or Ardee garda station on 041-687 1130.