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(AP) — In this Tuesday, Oct. 1, 2013, photo, dog food pellets, brown, are moved down a conveyor belt as chicken breast meat, white, and vegetables, orange, are added shortly before packaging at Freshpet, in Bethlehem, Pa.

Freshpet uses fresh meat, poultry and vegetables in a pricey, preservative-free product that requires refrigeration. Sales exceed $100 million. (AP Photo/Matt Slocum)

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