During the morning and afternoon, control cows had higher (Pb0.05) respiration rate and rectal temperature compared to all cooled cows. This difference was more extreme when C cows (97.85 and 112.07 bpm) were compared with cows in group AM+PM(89.19 and 106.8 bpm; Table 3). Rectal temperatures during the morning were higher in the C group (39.53 °C) than in the AM+PM group (39.17 °C), but there were no differences in rectal temperature during the afternoon in these two groups (C group 39.96 and group AM+PM 39.91 °C). Moreover, RR and RT during the morning were higher (Pb0.05) in the AM group (95.8 bpm and 39.65 °C, respectively) compared to the PM group (92.1 bpm and 39.32 °C, respectively).