PEDv Update

Dec 27, 2013

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  • Infective Material, Concepts and Procedures for Intentional Sow Herd Exposure to Porcine Epidemic Diarrhea Virus -- The authors describe a field-based strategy to enhance sow herd immunity to PEDv in herds suffering a recent outbreak. (Provided to AASV 12/24/2013 by the authors: Drs Schwartz, Henry, Tokach, Potter, Davidson and Egnor)

  • Number of New Cases Reported -- Weekly aggregate update of new cases. Starting with the report for diagnostics conducted during the week of 6/17/13, the National Animal Health Laboratory Network (NAHLN) has taken over collecting the data and compiling the report from all labs conducting PED testing. 119 new cases were reported during the week of 12/15/2013 bringing the total number of new cases reported to 1764. One-third of the reported cases are in Iowa. Slightly over half of the cases with a known farm type or age class have been in nursery or grow-finish herds. The number of states reporting at least one confirmed case of PEDv remains at 20 as no new states reported a confirmed case during the week. Last updated: 12/25/13 for the week of 12/15/13.

  • The results of a National Pork Board funded study indicates that Stalosan F is not effective at inactivating PED virus in swine feces on metal surfaces. These findings indicate that producers should not expect to kill the PED virus with the use of Stalosan F disinfectant powder in a hog trailer that has not been properly washed. Thorough washing, disinfecting, and drying of hog trailers between loads of pigs should be accomplished whenever possible. The effectiveness of Stalosan F disinfectant in trailers that have been properly washed is unknown. The entire study may be viewed on the NPB web site.

Source: AASV

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