GPT and liver disorder: Biochemical abnormalities were observed in canine patients with liver disease, including altered serum alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), gamma-glutamyl transpeptidase (GGT), bile acids, bilirubin, cholesterol, triglyceride, albumin, and coagulation profiles [5].