Well my personal preference would always be a dog, a big strong FAST type, not necessarily big meaning a dog with bull in it, just big, powerful dog that can shift through the gears.
But my youngest lurcher at the moment happens to be a bitch, she was the only one in the litter, and I was given what I got, the breeding was from two good dogs, a few were after the pups, and I happened to be 5th in line out of us mates, the rest wanted the dogs.
I'll see how she goes, but I’d rather kennel dogs any day over bitches and I'm already having my doubts, I prefer dogs general strength and they see