When to Geld a Colt?

As soon as you know that you are not going to keep your colt to breed, there is no reason to wait until he demonstrates stallion-like behavior or becomes aggressive or hard to manage. That's one reason why the most popular age range for gelding horses is between six and twelve months or before one year of age.

What age is best to geld a colt?

Any colt can be gelded from as early as a week old, provided he has both testicles descended and if you can find a vet willing to geld that young. Many vets prefer to wait until the colt is several months old as they feel they will handle the anaesthetic better.

What age should you geld a horse?

The horses, so horses reach sexual maturity, or puberty, at 18 to 24 months. Most people want to, if they know they're not keeping the horses as stallions they want to, geld before then. I would say a year. Six to 12 months is kind of what most vets will do because it's actually a lot easier the younger they are.