If you are after just foxes from what i have seen and expereinced, the smaller dogs that are quick on the turn seem to do it best. My mate has one that is 27' to the shoulder i think, and he is awsome. However out west on the open flats i got too watch some deerhounds work, I think they are in a league of there own. The way they hunt and chase is awsome, and the way they hit and kill is definatley a sight too see.
The one thing I have learnt from my Staghound is that they need plenty of time, so i can only imagine that the deerhound would take longer. I found it best to give her the