here is another group to join as the owner of the group is a nutritionist for animals and very knowledgeable - She went to Guelph University in Canada - here is the link -
K9Kitchen : dog diets raw cooked allergies disease
as you can tell alot of us like yahoogroups as they are a great support and the people on them have dogs with the same issues and see specialists all over the world so you can learn from what is working for their dogs