Ohio Revised Code Title IX. Agriculture Animals Fences § 959.20

(A) “Work animal” includes a horse, pony, mule, donkey, mare, ox, bull, gelding, or other animal used or intended to be used for a work purpose.

(B) “Work purpose” means the performance by a work animal of some work or labor, including showing, performing, or being used in any exhibition, show, circus, rodeo, or similar use.

(C) “Owner” includes any person, firm, association, or corporation owning or having a proprietary interest in or possession, custody, or charge of a work animal.

No person shall directly or indirectly or by aiding, abetting, or permitting the doing thereof put, place, fasten, use, or fix upon or to any work animal used or readied for use for a work purpose, twisted wire snaffles, unpadded bucking straps, unpadded flank straps, electric or other prods, or similar devices.

The commission or performance of any act prohibited by this section is the act of the owner of the work animal upon or to which such act was done.