Need a little dose of vitamin K-9? Dogs big and small will be bounding about Cow Palace this weekend as the Golden Gate Kennel Club Dog Show trounces through. From affenpinschers to whippets, all your favorites will be strutting their stuff as they vie to win Best in Show. Traditional obedience trials entertain alongside a doggy fashion show and the always-exciting flyball contest. Pet-centric exhibitors and vendors will be on hand to entice dog owners with the latest tools of the trade and plenty of treats for your best friend.