Babymax, it may not be a liver shunt, but what you are describing sounds like it could be MVD...If his numbers are not normal after 3 repeats but have gone down with low protein food, he may have hepatic microvascular dysplasia. Please join the liver shunt and mvd group on yahoo groups just so you can get more info on MVD...Here's the link:
http://pets.groups.yahoo.com/group/L...d_MVD_Support/