If your senior dog has stopped barking or changed his vocalizations, this may be a call for a visit to your veterinarian. Several different problems could lead to a loss of your dog’s voice. Physical Problems An inflammation affecting the throat and/or vocal cords can cause discomfort when barking. If the vocal cords lose their flexibility, the dog may be unable to make a sound when barking. A short-term voice loss may be caused by a bacterial infection. A cancer in the throat or vocal cords can have the same results — discomfort when barking or even permanent loss of … Continue reading →