Some of the prior comments are unrealistic...

80%+ of us live in urban areas. Most of us work 40 hours per week. There NO nearby wild birds -- one has to drive many miles to find any wild birds. If one wants to train and maintain a bird dog, pen-raised birds are the only choice.

Even those living on farms or in villages probably use pen raised birds for their dog training.

ALL field trials use pen-raised birds.

We live in 2013, not 1940. The Missouri quail population is down 90% from the 1960's. Most of the upland birds we shoot are pen-raised, except for doves. Get over it !!!