It’s healthier to have a varied diet and to not become dependent on just one food. Recipes change and then dogs have trouble adjusting to the new formulation when only given one food long term. After your dog has been switching often, he shouldn’t have a problem with it. Give him probiotics with each meal. Why would you want him to only eat one food every day of his life? Different meats have different amino acid profiles to offer. I can’t leave food out at my house because a have pet vacuum cleaners. It sounds like he is not interested in his dry food or his treats. Time for a change. Mine LOVE to eat! Any food, any form, any time.
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