Feed Additives to Mitigate the Risk of Virus-contaminated Feed

The introduction of Porcine Epidemic Diarrhea Virus (PEDV) in 2013 into the US swine industry pointed toward feed ingredients as the likely route of introduction. Subsequent research trials have documented viruses can survive in feed ingredients and complete feed for transoceanic shipping (30 and 37 days) and transcontinental shipping (23 days.)

Authors of the transoceanic trial concluded:
1. Viruses can survive in feed, but survival is variable and depends on specific properties of each virus
2. Certain feed ingredients or feed products present a better matrix for virus survival than others
3. Select ingredient matrices seemed to enhance the survival of multiple viruses.

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Publication Date: 05/2022

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