Ohio Rev. Code § 4951.47: Injury to domestic animal prima-facie evidence.

If any domestic animal receives any injury or is killed upon the right of way of an electric or street railway or interurban railroad, either by coming in contact with a moving car, or by reason of the electricity contained in or passing through a third rail of such railroad or railway, such injury or death is prima-facie evidence that the person or company operating said railroad or railway has failed to comply with the requirements of sections 4951.45 to 4951.47, inclusive, of the Revised Code.