I joined this site seeking information and advice and I have received considerable, considered and thoughful replies, thank you. Playing Devil's advocat for a moment, I appreciate the difference in power and possibly, the reliance of sight between a Lurcher against an E.S. Spaniel but if I can stop a Spaniel at full charge, that has just put a Pheasant or rabbit up, off the end of his nose, by use of a whistle then why could it possibly be so different with a Lurcher? Surely conditioning mentally, a dog, will be very much the same for both breeds, so long as intelligence and biddability are