<<Disclaimer: Verify this information before applying it to your situation.>>

Given the following references (which I don't remember being
discussed here before), maybe you could do your pet a favor and put
him on a gluten free diet.  We're going to try our Golden Retriever
once the 80 pound bag of Science Diet runs out.


 Hall EJ. Batt RM. Dietary modulation of gluten sensitivity in a
naturally occurring enteropathy of Irish setter dogs.  Gut.
33(2):198-205, 1992 Feb. #

Lowe NM. Hall EJ. Anderson RS. Batt RM. Jackson MJ. A stable isotope
study of zinc kinetics in Irish setters with gluten-sensitive
enteropathy. British Journal of Nutrition. 74(1):69-76, 1995 Jul. #

Hall EJ. Carter SD. Barnes A. Batt RM. Immune responses to dietary
antigens in gluten-sensitive enteropathy of Irish setters.  Research
in Veterinary Science. 53(3):293-9, 1992 Nov. #