I like to see it by a year, maby not consistantly but enough to make me feed them for another yr.
As long as the conditions are good for tracking....my good dog is having trouble finishing tracks in this Tx. heat. They sure did well after this wknd rain though
I have seen a good gyp that quit a few pigs around a yr while my pups stuck with them, at this point she has as much bottom as any of them