Lesson on stress in Bison. Their stress level will rise and not lower when being released. The signs of stress went from .5 to 5. After level 4 the bison are in danger. Several rules were not to look into the chute. Use a instrument to move them twice to three times, and then use a different tool. Direction of running the flag will help with the bison direction of movement. A great video and instruction on bison stress.
After watching the podcast of Crostimbers bison, he has a cow that had never recovered of able to have a calf for 2 years.