Nice to see someone else hunting the Jagdterrier on here!!! Great dogs but , like most terriers, they can be a little pigheaded and too smart for their own good.
Try this site:
http://jagineb.proboards104.com/index.cgi
I'm not sure, but if I recall correctly you have to sign up to view. These are the hardcore Jagdterrier man and some of the members are the original guys from over in europe. BTW, ask them what they think of Knitehunt kennals.
IF I were looking for a hog dog my short list would be the jagdterrier, the blackmouth cur and the Catahoula dogs.
Don't limit your choices to the bird dogs. Do some research and you will find out how great and vercitile these dogs can be.
CB