Grain-free pet foods are no healthier, vets say

<img width="150" src="https://i0.wp.com/www.denverpost.com/wp-content/uploads/2017/08/pet-food-ec84628c-81d5-11e7-902a-2a9f2d808496.jpg?w=620&crop=0%2C0px%2C100%2C9999px" alt="The author call the dental chews …” data-src=”https://i0.wp.com/www.denverpost.com/wp-content/uploads/2017/08/pet-food-ec84628c-81d5-11e7-902a-2a9f2d808496.jpg?w=620&crop=0%2C0px%2C100%2C9999px” data-srcset=”https://i0.wp.com/www.denverpost.com/wp-content/uploads/2017/08/pet-food-ec84628c-81d5-11e7-902a-2a9f2d808496.jpg?w=620&crop=0%2C0px%2C100%2C9999px 620w,https://i0.wp.com/www.denverpost.com/wp-content/uploads/2017/08/pet-food-ec84628c-81d5-11e7-902a-2a9f2d808496.jpg?w=310&crop=0%2C0px%2C100%2C9999px 310w”> Jenna Gallegos, The Washington PostThe author

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