The whippet has been bred for many years as a purpose built rabbit dog. So why ruin the bloodline by crossing out? Crossing them with a terrior of any sort reduces the speed, reduces the common sense, makes them as hard mouthed as hell, which is ok if you are rabbiting for a bit of fun. But 90% of my rabbits go to the butchery trade. They sure do not want mangled bunnies. Terroirs by their very nature are noisy creatures, thats what they were bred to do. As for whippets not handling rough ground, ask Mike Brown, they spend half their days running up and down mountains. There is a world of diff