hi i'm a mexican hunter, i work with many different dogs, but i'm having trouble to catch hare, there is nobody who breeds lurchers in mexico, so i want to make my own, the prpblem here is that running dogs, whippet greyhound galgo español borzoi saluki, afgan are very expensive dogs, but i do have a border collie, dutch shepherd, and australian cattle dog bitches as well as pitbulls bull terriers and more terriers, so i want to know if crossing running dogs over shepherd or bull bitches i can get good lurchers... or if i need to get a running dog bitch... thankyou very much... i want to use