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FAD

FAD. Simon J. Kenyon Ross University. Learning Objectives. Understand the global context of FADs and their importance Recognize the clinical signs of important FADs Know what to do if you encounter an unusual disease that is possibly and FAD. FAD Myths.

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FAD

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  1. FAD Simon J. Kenyon Ross University

  2. Learning Objectives • Understand the global context of FADs and their importance • Recognize the clinical signs of important FADs • Know what to do if you encounter an unusual disease that is possibly and FAD

  3. FAD Myths • FADs are a problem for large animal veterinarians • FADs look like the pictures • USDA/APHIS/VS doesn’t like false alarms • It can’t happen to me

  4. Jan - Jan 2010 - 2011

  5. Some recent cases • Screwworm, Sept 2007, Mississippi • Avian Influenza HPAI, 2004 - H5N2 Texas, H7N3 British Columbia • Exotic Newcastle Disease 2003 – California, Texas • BSE, 2003 - 2007 – imported and US bred cattle • Monkey Pox, multi-state, June 2003 • Bluetongue – Montana, Wyoming 2007

  6. Monkey Pox • Imported Gambian Giant Rat • Prairie Dogs • Humans

  7. Screwworm Image from “The Gray Book”, University of Georgia

  8. Screwworm Screwworm - Third instar larvae, Cochliomyia hominivorax

  9. Recent Outbreaks Exotic Newcastle Disease – California 2002-2003 Moynihan Report on Collaborative Networks, 2005 “On average 40 new employees joined the task force daily”

  10. www.EDEN.lsu.edu

  11. Opportunities for Veterinarians • Initial Accreditation Training Course • USDA/APHIS/VS and State Animal Health Depts. • Animal Surveillance Emergency Response Teams (ASERT) • Purdue’s Graduate Certificate Program in Veterinary Homeland Security

  12. FMD - Cattle

  13. Vesicles or blisters on tongue, dental pad, or teats

  14. FMD

  15. Hogs and other species – vesicles on coronary band

  16. Hog - Vesicle on snout

  17. Swine Vesicular Disease Vesicular Stomatitis Foot and Mouth Disease Vesicular Exanthema Clinical Comparisons: Snouts

  18. FMD

  19. Swine Vesicular Disease

  20. Sheep – disease may be very mild

  21. Public Information

  22. FMD Issues • Early Diagnosis • Time from diagnosis to slaughter • Models • Vaccination • Carcass disposal • Societal change

  23. Canada Canada Mexico Mexico South America Puerto Rico North Carolina Live Animal Shipments • Beef Cattle Swine Goats Dairy Cattle Live animals are shipped to a total of 27 states, Puerto Rico, Mexico, Canada and South America! Sheep and Lambs Poultry

  24. Diff. Diagnosis of Vesicular Dis.

  25. Airborne Spread? “O Lausanne 1965”

  26. National Animal Health Laboratories Network (NAHLN) 2003

  27. Proposed Biosafety Level 4 sites • Flora, Mississippi • Athens, Georgia • San Antonio, Texas • Butner, North Carolina Manhattan, Kansas

  28. African Horse Sickness

  29. African Horse Sickness

  30. African Horse Sickness

  31. African Horse Sickness

  32. African Horse Sickness

  33. Avian influenza • Natural Host: Waterfowl (ducks, geese etc.) • Domestic species affected • Chickens, ducks, geese, turkeys, guinea fowl, quail and pheasant • Some pet birds Low Pathogenicity (LPAI) High Pathogenicity (HPAI)

  34. Type A Influenza • 16 H (hemagglutinin antigens) and 9 N (neuraminidase antigens) • All subtypes can be found in birds, but only subtypes H5 and H7 have caused severe outbreaks of disease in birds

  35. Avian Influenza

  36. Symptoms of HPAI • A lot of birds affected • Dead birds • Very sick birds • Coughing and sneezing • Swollen combs and wattles • Discolored and swollen joints • Diarrhea

  37. Avian Influenza

  38. Avian Influenza Cyanotic Comb

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