[Bobby dog]

Hi Pitlove:
If you are going to move on to another food it sounds like he is making progress!!

Yes, Aimee has written about the meticulous process manufacturers of Rx diets practice to ensure there is no cross contamination of ingredients. Maybe she’ll pop in with more info.

Here’s a site with a good explanation on proper elimination diets:
http://www.veterinarypartner.com/Content.plx?A=2499