If he isn’t showing any behavioral issues (lucky you!), the main reason to neuter would be in case you ever want to bond him with another rabbit in the future. If you think there’s a chance of future bonding, then neutering now would be a good idea.
Issues might pop up in the future as well. Sometimes if the bun is older when neutered, they are already locked into the annoying behaviors, but as long as you neuter not long after you notice them they usually do still improve.
So it’s really your call! You can always decide to neuter later if needed. I know it’s been hard in many areas to get appointments for neutering though, so it could be good to just do it now since you have the opportunity.
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The answers provided in this discussion are for general guideline purposes only. The information is not intended to diagnose or treat your pet. Seek the advice of your veterinarian or a qualified behaviorist.