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Reply To: 13 Y.O. Jack Russell Terrier and Dry Kibble

October 22, 2013 at 1:19 pm #26854 Report Abuse
theBCnut
Member

It sounds like he has an intolerance to some ingredient in the food. I would try to find a food that is very different to try, different protein and different carb sources. My almost 12 yr old JRT has intolerance issues with grains and chicken.