National Pork Board The website of the National Pork Board has a plethora of information for consumers, producers, professionals, and academia.
USDA Photo Library USDA has a photo library that may be of interest in many areas of agriculture.
Veterinary Anatomy This site consists of a collection of gross anatomy drawings and dissections of farm animals and companion animals, organized by region of the body. Many are from classical texts, now out of print.
Veterinary Pathology This is a comprehensive collection of over 10,000 veterinary pathology images of diseased or injured organs and tissues, most with annotations.