Utah Code § 18-1-2: Dogs acting together -- Actions -- Parties -- Judgment.

Where any injury has been committed by two or more dogs acting together and such dogs are owned or kept by different persons, all such persons may be joined as defendants in the same action to recover damages therefor, and the amount found by the court or jury as damages for such injury shall be apportioned among the several defendants found liable and judgment shall be entered severally against them for the amount so apportioned.