ROTT N CHATTER, January 1993, Volume 1 Number 6 VON WILLE...WHO ??? VON WILLEBRAND'S DISEASE..................... QUESTION: Why should vWD be important? ANSWER: vWD is the most common inherited bleeding disorder in Rottweilers. In fact, Rottweilers are one of the 57 known breeds of dogs that have vWD in their familial backround and one of the 44 of which are also affected with thyroid disease. This disease is beginning to increase in Rottweilers. If that phrase is beginning to sound familiar, it should. QUESTION: So what if a Rottweiler is only a carrier, what are the implications? ANSWER: The Rottie is not only predisposed to developing clinical symptoms but will pass this predisposition on to off-spring. Unually a dog will ive out a relatively problem free life, though if he/she is placed under stress, bouts of bleeding may become worse. According to W. Jean Dodds, DVM, one of the foremost noted authorities on this disease and other related diseases, some of the clinical symptoms of vWD are bloody stool; bruising; nosebleeds; bleeding gums, vagina or penis; prolonged heat cycle with bleeding or after whelping; excessive bleeding from umbilical cords at birth; bleeding excessively from cut toenails, or after tail docking, or dewclaw removal; limping, as in panosteitis and even fading puppies or neonatal death can be possible symptoms. One dog had bloody diarrhea after receiving a modified live vaccination. Others may exhibit some blood in their urine after they've been given a MLV. Remember in previous articles about the little Thyroid gland? Guess what, folks. Most dogs that have vWD will also eventually develop an underactive Thyroid (hypothyroid) and from there the complexities are only just beginning, as we have already learned. Our Rottweilers could be carriers of vWD and we won't know it unless we specifically test for it. We had better stop breeding without adequately testing for hereditary diseases, or before we know it, there will be no such thing as a healthy Rottweiler in the gene pool. Want a shocker? Dr. Dodds has stated that 15-45% of our Rottweilers are probably carrying the gene for vWD! Do you plan on breeding a bitch or studing a dog? Have you tested for this disease yet, and, if not, why not? Can you say your really love this great breed and then not do absolutely everything in your power to save its' downfall? These are hard questions... how say you? jan cooper, EDITOR