Lots of breeding nowadays is done via artificial insemination, so size really doesn’t matter!
My sister is the happy owner of a lab/pug cross. Basically looks like a sawn-off lab. I’m still brainstorming the marketing name: Truncated Pugrador? Concealed Carry Labrapuggle?
He’s a sweetheart.
Incidentally, if you’ve never Google-searched Corgi crosses, get ready to spend 20 minutes laughing your tits off. They invariably look like a Corgi dressed as another breed for Halloween.