Do you have to know or take any biology cles to be a leopard gecko breeder?

Hi I really enjoy leopard geckos, I have own a pair of leopard geckos for a while now and have fallen inlove with this lilttle critters, I own two females and was thinking about purchasing a male to breed them, I have decided to be a leopard gecko breeder, as a hobby, do you need a special license or do you have to take any cles to be a leopard gecko breeder