GPT and metabolic disease: Parameters most likely to be affected by dehydration (BUN, Na+, Cl-) were higher among animals that died or were euthanized than among those that were released or transferred, as were parameters that may have been increased due to systemic or metabolic disease or exertional rhabdomyolysis due to restraint or exhaustion prior to stranding (AST, ALT, bilirubin, P).