it comes down to genetics, both codes of hounds will produce dogs with high and low drives,
you breed from the right line of track dogs with proven genes the result will be as good as anything from average coursing bred lines
a lot of coursing bred lines tend to be powerhouses of dogs with plenty of muscle mass, bred to give maximum speed over a relativly short distance, ideal for what it does, but may not be as supple a animal as what is needed to breed into something expected to run a bunny 20 or 30 times a night,,But for running bigger stuff maybe what you need,,
remember they have be