I think it depends on the horse as mine is 2 1/2yo is so not ready and you can see it. He still has the look of a baby. But thats just my horse, and my thinking, my neighbor on the other hand thinks, If its 2 it is ready to be broken in a ridden like its a 10 yo then when its 3 its ready to start jumping. OMG the neighbors place is a circus.
Here is my 2 1/2 yo
:rolleyes