Which of the following is not a disease that affects dogs?

• A. Black Leg
• B. Distemper
• C. Hepatitis
• D. Rabies

Answer: (A)

Black leg is a disease that affects cattle, caused by Clostridium chauvoei, and dogs are not typically susceptible to this condition. In contrast, distemper is a common viral disease in dogs affecting multiple body systems, infectious canine hepatitis is caused by canine adenovirus-1 and targets dogs, and rabies is a fatal viral infection that can affect dogs and many other mammals. Because the others are known canine diseases and Black leg is a cattle disease, the one that is not a disease affecting dogs is Black leg.