When to nuder?

Hi i'm Ella remember me,havent been on in awile.Anyway Pumpkind had her beautilfull kitties & 99% sure that they R all boy's,they R 5 months old & have been fighting alot(they were born Oct 5).Just wanted to know when, my grandma says she got her cat Snaks nuderd at about 6.When should We?

They can all be neutered now. Kittens can be spayed and neutered as of 12 weeks. Please also have Pumpkind spayed.