N.J. Stat. Ann. § 5:15-5

5. The assumption of risk set forth in section 3 of this act shall be a complete bar of suit and shall serve as a complete defense to a suit against an operator by a participant for injuries resulting from the assumed risks, notwithstanding the provisions of P.L.1973, c.146 (C.2A:15-5.1 et seq.) relating to comparative negligence. Failure of a participant to conduct himself within the limits of his abilities as provided in section 3 of this act shall bar suit against an operator to compensate for injuries resulting from equine animal activities, where such failure is found to be a contributory factor in the resulting injury.