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The purpose of this chapter is to review the literature on the risk of feed for animals, the protocols developed to reduce this risk, and the global response to this new information. As much of the published literature on feed risk has centered on viral diseases of pigs, the chapter will primarily focus on swine but will also reference recent work in poultry This chapter serves as a comprehensive document to raise awareness to the risk of viral transmission through plant-sourced animal feed, facilitate learning, improve the accuracy of risk assessments and to identify knowledge gaps for future studies.
- 1 Introduction
- 2 Background: tracking transmission of porcine epidemic diarrhea virus
- 3 Tracking the transmission of other viruses
- 4 Understanding the role of feed in virus transmission
- 5 Assessing feed risks for swine and other livestock species
- 6 Current strategies to mitigate feed risks
- 7 Mechanical reduction: flushing and sequencing
- 8 Heat treatment
- 9 Chemical mitigation
- 10 Extended storage
- 11 Managing imported feed
- 12 Conclusion and future trends
- 13 Where to look for further information
- 14 References