I will say this -Every single dog that ive had ,seen work ,of any breed ,type has good olfactory senses .It goes hand in hand with work .Cant find ,cant work .You must learn to have a bit of patience when at a big place .We know nothing of what goes on once you release the terrier underground and to state otherwise is to purely guess .
No two encounters are the same ,luckily and in case you havnt noticed, quarry smells different at different times of the year ,even to the human nose .What is needed in a terrier is perseverance ,somtimes confused with a lack of nose .A big place takes some wor