Well, Liam's ALT was back up again at 976. The vet now wants to do a liver biopsy. Have any of you had experience with this? He's had an ultrasound and some sort of neuroscan where they injected stuff into him to see if it showed a liver shunt. Everything came back ok; no sign of a liver shunt. I'm at a loss for what to do. Several thousand dollars in and I know nothing more than I did when his first batch of blood work came back abnormal