I know what you're saying but like krawnden says, is it slow or thorough?
If a spaniel or spaniel cross is working the same cover my terrier is, with the same result and quicker then spot on. But if it's working the cover quicker and missing stuff then that's no good around here as game is pretty thin on the ground.
I aren't saying yours miss stuff, maybe that extra size allows them to make more of a disturbance and vacant whatever is at home? But you've got 2 bushers to my 1 terrier remember.
The bull cocker works a lot faster than my terrier, he's in, makes a disturbance and bac