When riders arrived after round,

all riders teams tried keep the horses quiet to reach the hart rate under 64 per min and after this, they should asked for veterinary check to control the condition horse and especially showed in trot.
When horse successfully passed this veterinary check, could continue in competition within 30 min after entrance to veterinary check on next round. During time of cooling and waiting for start in next round team could offer feeds and drinking water.
After first round were not eliminated any horse.