Your Dog, Cat and Exotic Pet health care provider. At Derrydale Animal Hospital we take the time to ensure that our patients receive the care they deserve and their families are well informed and a proactive part of that care. Derrydale Animal Hospital was founded July 7th, 1986 by Dr. Zaharachuk. We know that your pet is an important part of your family. At Derrydale we treat every patient as an individual. We ensure that your pet always receives the highest level of compassionate medical and surgical care. Our highly qualified doctors and technicians can help your pet live a long healthy, happy life. Call us today.