1. Emerging Infectious Diseases of Animals: an Overview / Corrie Brown. 1 2. Biosafety Classification of Livestock and Poultry Animal Pathogens / J. Scott Rusk. 13 3. Agroterrorism, Biological Crimes, and Biological Warfare Targeting Animal Agriculture [et al.]. 23 4. Xenotransplantation / Laurie G. O'Rourke. 59 5. New Fruit Bat Viruses Affecting Horses, Pigs, and Humans / Peter T. Hooper. 85 6. Understanding the Ecology and Epidemiology of Avian Influenza Viruses: Implications for Zoonotic Potential / David E. Swayne. 101 7. Transmissible Spongiform Encephalopathies / Linda A. Detwiler, Richard Rubenstein, Elizabeth S. Williams. 131 8. Brucellosis in Terrestrial Wildlife and Marine Mammals / Jack C. Rhyan. 161 9. Leptospirosis / Carole Bolin. 185 10. Enterohemorrhagic Escherichia coli in Ruminant Hosts [et al.]. 201 11. The Global Epidemiology of Multiresistant Salmonella enterica Serovar Typhimurium DT104 [et al.]. 217 12. Bartonellosis / Craig E. Greene, Duncan C. Krause. 245 13. Plague / James R. Swearengen, Patricia L. Worsham. 259 14. Reemergence of Tuberculosis in Animals in the United States / Diana L. Whipple, Mitchell V. Palmer. 281