Small type of herdi dog
A herd dog?  Like an Australian Shepherd?
Yes similar to prenga is albanian professional being.
I'm not understanding everything you're saying.  A prenga is a type of dog? 
He owned a herd dog, prenga was an nfl player.
Oh okay!  I was getting confused. I've never heard of Prenga until now.  
The owners of herd dogs refer to them as dwarf dogs in some situations.
Are they much smaller than other dogs?
Yes similar to the “canis lupus dingo” these dogs are shorter.