Try this site. Good information on traing a dog on cats.
http://www.biggamehoundsmen.com/forum/v ... f=9&t=4167Other than that, put your dogs nose in some cat tracks and get after it. Walk the track with him/her on a lead. Eventually they get it figured out. Helps to have some stock out of cat dogs. I had a plott "coon" hound who never did worth a darn on coons, but loved treeing bobcats.
Goodluck!