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eBook
Colorado State University

Colorado State: Pathophysiology of the Digestive System

For Students 9th - 10th
A site on the disorders of the digestive system and on the similarities and differences between the digestion of birds and ruminants.
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Handout
University of Guelph

Department of Animal and Poultry Science: Digestive System

For Students 9th - 10th
The main focus here is on the comparative anatomy of animals raised for meat. Beware of the photographs, as they are dissection photos.