As you must know, once a male smells that scent, nothing and no amount of training or recall will bring him back to you
I think Sammy's behaviour is at the extreme end of the spectrum; he obviously is particularly sensitive to the smell of a bitch (and pretty clever) to be able to distinguish the difference between an in-season bitch and other dogs from 400 yards, and become totally deaf as a result
Molo wouldn't even notice a dog at that distance (I appreciate that he is at the other end of the spectrum to Sammy, though
).
I have chatted about this with other friends/walkers, I think it is fair to say that Sammy's behaviour is not the "norm" for entire dogs - would other COL'ers agree?
I think its important to say that for the benefit of new dog owners who may be reading this thread; it is not inevitable that a male puppy will behave like Sammy if he stays entire as an adult
The only time I have seen such a dramatic change in this type of behaviour of a matured dog is when he did "catch" a bitch - Sammy is well past adolescence, isn't he??
I'm not being critical - but if he has been walked by someone else, or gone out of sight for a few minutes, can you be sure? From what you describe of the number of off-lead bitches you encounter, it may be possible that he got the chance, iyswim