older
30 or older
A horse is never too old but the older they are the higher chance of death in birth. A horse is never too old but the older they are the higher chance of death in birth.
If you are a beginner to horseback riding it is best to start with a older horse. One that has already been trained for what you are wanting to do.
A young male horse is called a "colt". (older is a "stallion") A young female horse is called a "filly". (older is a "mare")
Any female horse 5 or older is called a mare.
Seniority means age - the older a horse the more senior they are.
The best horse to start with would be an older horse (like 10-15 or older )experienced in what you want to do.It also depends on the trainer,rider/owner, and environment around it.
A "nag"
A year after it was born.
no
He was older than his sisters and the older brother died from a horse accident making him the older kid.