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Reply To: Is Diamond Natural Senior Dog Kibble exact same good as COSTCO Kirkland Mature D

March 31, 2019 at 11:08 am #133675 Report Abuse
anonymous
Member

If your dog is doing well on a particular food I would stay with it.

No one can guarantee that the foods have the exact same ingredients as cross contamination occurs at the manufacturing sites.
I don’t think it is worth trying to save a few bucks, just my opinion.