What I think we must all remember is that just as humans dog's needs differs slightly from dog to dog. You'll very soon see if the 2 cups are the right amount of food for him during the winter while he is a little less active. For me, as a South African, it is strange as it never gets that cold...
I can't wait for the photos. In South Africa it is not traditional and the only "Ginger Bread" houses I know are the real houses in Germany. Please post lots.
From my experience I agree with the proses of elimination is the only way to get at the reason for an allergy in animals as well as in humans. Sorry, no short cuts here!
Clever Dog!! She is obviously "fooling" the other dogs by appearing scared or uninterested and then she lunges. As to how to train her otherwise, I really think it will be helpful to figure out the exact circumstances that triggers this behavior, then the people more knowledgeable than me will...