Meat by-product
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prescription diet product line), Purina (both Purina One and Purina Pro Plan), Iams and Eukanuba. Ingredients listed as "meat, beef, chicken, and/or poultry by-products" on pet food labels are not required to include actual meat, and "rendered meat" on labels can refer to any rendered mammal meat, including dogs and cats.[citation needed]
A new category of pet food typically marketed as holistic, wellness, organic, ultra healthy, and/or simply premium pet food often emphasizes the use of human-grade meat sources only, with no animal meat by-products.