Have you noticed changes in your pet's activity level or how much he is eating or drinking? (poughkeepsiejournal.com)
For this reason, it is important to take notice of changes in pet behavior and maintain regular veterinary check - up exams. (lyndenvet.com)
At home, watch for subtle changes in your pet's body weight, appetite, water intake, urination and bowel habits, general attitude and activity level. (salmoncreekvetclinic.com)