not quite significantp = 0.055
There was a transient increase in RR intervals at 180 minutes compared to 90 ( p = 0.032, df = 5), 120 ( p = 0.040, df = 5), and 135 minutes ( p = 0.038, df = 5) in ATF horses; however, the increase was not quite significant when compared to the control ( p = 0.055, df = 5).