PEDV: What Can Producers Do To Reduce Their Risk? - Dr. Lisa Becton, Director of Swine Health Information, National Pork Board, from the 2014 Minnesota Pork Congress, January 14-15, Minneapolis, MN, USA. More presentations at http://www.swinecast.com/2014-minnesota-pork-congress

1. PED Update
Lisa Becton, DVM, MS, DACVPM
Dir. Swine Health Information
National Pork Board

2. Current Status of PED
• PED continues to be a major health challenge for U.S.
producers
• Since it was first diagnosed in May of 2013, there have been a
total of 2084 cases reported:
– CASE reports are different than SITE reports.
– IA = 770; OK = 272; NC = 301; MN = 217; KS = 143
– Data can be found at www.aasv.org

3. PED case #’s/month (as of Dec 28th, 2013)
States
OH, IN, IA
CO, MN, PA, OK, MO, SD, IL, MI
KS, NY, NC
TN, TX
WI
# of PED cases for Minnesota - 2013
120
100
KY, MD
80
NE, CA, WY
# cases
January
February
March
April
May
June
July
August
September
October
November
December
Case #'s
0
0
0
12
103
197
122
119
173
252
394
712
60
40
20
0
Jan
Feb
Mar April May June
July
Aug Sept
Oct
Nov
Dec

4. National Pork Board Focus
• Assist in the investigation of source of the virus
• Research on PEDv and impact for US producers
• Development and communication of producer
information/resources
• Containment/management strategies
– Work with USDA and develop next steps for emerging
disease response
– Other needs?

5. PEDv Research Efforts
• Since June of 2013, the Board has approved $>1
million for use for PEDv since June 2013
– Additional $$$ from State Associations
• 2013 research focus:
– Study of how PEDv effects pigs
– Development of diagnostic tests for PEDv
– Development of methods to grow the virus (vaccine and test
development)
– Survivability in feed, water, manure, slurry, and in trailers
– Methods to kill PEDv/PRRS

6. 2013/2014 PEDv research focus
• Fall 2013 – Focus on formation and duration of
sow immunity after infection
– What level of immunity is needed for full protection?
– How do we measure sow status and response to feedback?
• Spring 2014 – Focus on continued management
strategies and surveillance for PEDv
– How do we continue to develop/validate diagnostic tests to provide
information on disease status?
– Seed-money for vaccine development
– Evaluate effectiveness of biosecurity interventions

7. PEDv – what do we know so far?
(All research information is posted at www.pork.org/PEDV )
• PEDv spread = fecal/oral
– Transmits through contaminated manure; anything in
contact with PEDv + manure can be a potential source of
infection
• Rapid spread especially in high density areas!
• Virus survives under different conditions:
– Survive in cold conditions
– Can survive in dry and slurried feed
– Can survive in slurry, feces, water

8. PEDV Research Results
• Fecal shed peaks at 5-6 days post infection and
most animals stop shedding virus after 21 days
• Virus is NOT shed in the respiratory tract and not
aerosolized…BUT, does it move in the wind on
dust particles?
• Virus can be killed at 160°F for 10 minutes OR
maintaining them at room temperature (68F) for at
least 7 days. (This is without cleaning or disinfection)

9. Biosecurity Guidelines
• PED is a complex virus to deal with, so create
barriers between farm/pigs and potentially
contaminated areas
• Line of Separation: is defined as the line between
the area that is to be used by the non-farm
personnel and the area to be used by farm
personnel
– Applies to ANY service (transport; manure haulers
etc.)

10. Identify the “Line of Separation”

11. Examples of the Line of Separation

12. PED Resources
• www.pork.org/PED
• Resources include: biosecurity updates,
newsletters and research updates

13. PED Manure Hauling Guidelines
13

14. PED Transportation Guidelines
14

15. Other PED Resources
• Recommendations available for:
–
–
–
–
–
–
–
Exhibit Organizer Biosecurity
Exhibitor Biosecurity
Positive in Breeding Herd
Positive in Nursery/Grow-Finish
Line of Separation
Create Clean Crossing
Additional resources…

16. Ongoing Lessons from PED
Preparation for the Next Disease Events
Issues
1. Data confidentiality - Premises ID and permission
to use for disease analysis
2. Housing of data, analysis and reporting
3. Cooperation of VDLs when acting as a business
center
4. PRV Control Board model for emerging diseases
5. Rapid Response Teams for outbreak investigation

17. Questions?
This message funded by America’s Pork Checkoff Program.