Abstract: Three clinical cases of canine acute renal failure in a pet hospital were diagnosed and analyzed by medical history investigation, clinical features observation, hematological indices determination, urine specific gravity test and imaging examination. The clinical symptoms of the diseased dogs were mainly composed of depression, anorexia or loss of appetite, vomiting, diarrhea, abnormal urine volume, etc; the increased total number of white blood cells in the blood of the diseased dogs was observed, and the indices of serum creatinine, urea nitrogen and inorganic phosphorus were higher than their corresponding upper limit of the standard value; the urine specific gravity of the diseased dogs was decreased; imaging examination demonstrated that two clinical cases had no change in renal volume but the other one had enlarged kidney.

Key words: canine, acute renal failure, diagnosis, treatment