Question 22 / 25:
The following is from a 5 yr old horse with history of anorexia and emaciation.
PCV: 43 (normal)
CK 830 (470 normal)
AST 350 (300 normal)
SDH 4 (normal)
ALP 710 (290 normal)
GGT 72 (17 normal)
Serum Bilirubin 10.5 (normal 2.1)
What is the most likely differential?