Utah Code § 4-25-206: Animals running at large -- Prohibition -- Limited exception.

(1) Except as provided in Subsection (2), no person who owns or is in possession of a stallion, jack, or ridgeling over 18 months old, or a ram over three months old, shall permit the animal to run at large within the limits of, or on the summer range of, any town or settlement.

(2) Two-thirds of the voters of any county or isolated part of a county may elect through an election to make this section ineffective in all or part of the county during part of the year.