Sometimes they're just not up to par and choose they're days of hunting, some will fly in a stop but won't go in with the lights off, and some pass game as they don't like what's coming, I've known of some dogs that picked their hunts, but as it was with hounds they still got some sport but when coming into heat, could dig a bear with her, back out of season she switched back to picking her hunts, fecking odd ball