I trained them that way.
That must have been either the "slow" cow, or the impatient one. Most of them (or they mostly) use the kid-gates. Usually we have to do no more than walk out of the building before recess, if they are in the yard, and the cow will start heading for the nearest kid gate. They know exactly where every one of the gates are.
On occasion, I have been really glad for those soccer backstops! Or the Principal holding the door open for me.
"Some assembly required" for the youngster mooses..
