An adult dog,properly trained and entered,seldom needs to be physically disciplined,a sharp slap now and then lets certain dogs know they have crossed the line.I owned an ignorant,bad tempered,mean b****rd once,most people would have culled the brute,my mates would,nt let their dogs in the motor if he was in it.I never took the dog out without an old fibreglass car aerial with me,he tried his luck on innumerous occasions and felt the aerial,he then behaved impeccably,he was probably the most frustrating mutt ive ever had the displeasure of owning,but was the best hunting dog ive ever owned.I h