It really depends on the breed of horse, but most reach their full height by 2-3 years old. After that their skeleton and muscular systems continue to develop until 3-4 years old and mentally they mature at about 6 years old.
Horse
no
No, horse's eyes do not grow. Horses are born with eyes the same size as they will be all through their life into adulthood.
a fast horse
horse
a mustang horse can go up to 200 miles per hour but will max out at a hundred seventy ----
Horse
As fast as the horse can run.
both of them are fast
Horse.
Running birds e.g. Ostrich can run fast comparable to horse in a desert .
it like a human,the horse grow with good food and age.
as fast as it wants to or 60 miles an hour but it need to be a good horse to run fast
Just as fast as any other horse! Not as fast as a thourobred or a quarter horse but pretty fast!
a stanardbred or thoroughbred mix would make a nice fast horse.
Yes; and they grow naturally in horse manure anyway.
There is no answer because they just grow to fast!