Barked: Thu Sep 22, '11 7:20am PST |
 |  |  |  | Something to keep in mind, pedigree has meat and bone meal along with animal fat which are unidentified protein sources and can come from anywhere, including euthanized shelter animals. In EPA document 'Emissions Factors and Policy Applications Center, Chapter 9: Food and Agricultural Industries, Section 9.5 Introduction to Animal & Meat Products Preparation' is the section 9.5.3 Meat Rendering Plants.
"Meat rendering plants process animal by-product materials for the production of tallow, grease, and high-protein meat and bone meal. Plants that operate in conjunction with animal slaughterhouses or poultry processing plants are called integrated rendering plants. Plants that collect their raw materials from a variety of offsite sources are called independent rendering plants. Independent plants obtain animal by-product materials, including grease, blood, feathers, offal, and entire animal carcasses, from the following sources: butcher shops, supermarkets, restaurants, fast-food chains, poultry processors, slaughterhouses, farms, ranches, feedlots, and animal shelters."
http://www.epa.gov/ttn/chief/ap42/ch09/final/c9s05-3.pdfEdited by author Thu Sep 22, '11 7:22am PST
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