You've seen this thread, I assume?
https://ball-pythons.net/forums/show...Dwarf-quot-BCC
I don't know the answer off-hand, I remember reading that there's a difference, some are better than others, but off-hand I don't recall which is which, it's been
too long since I researched them. Keep reading & asking for recommended sources though.
Right now, I've got my rosy boa cuddling around my shoulders & messing up my hair...They're sweet too, & stay small (females about 40" max & males 33")