To find out if castrated horses on Howrse are permanent, I recommend you:
* Check the official Howrse website or game information: They will have the most up-to-date information on the game's features.
* Look for in-game resources: The game may have a help section, FAQs, or forums where you can find information about castration.
* Ask the Howrse community: Many players discuss the game on forums or social media groups. You might find the answer there.
Please remember that game features can change without notice, so it's always best to consult official sources for the most accurate information.