Alkaline stabilization of manure slurry inactivates porcine epidemic diarrhea virus
Erin E. Stevens, BSc; Daniel N. Miller, PhD; Bethany A. Brittenham, MS; Sarah J. Vitosh-Sillman, DVM, Diplomate ACVP; Bruce W. Brodersen, DVM, PhD; Virginia L. Jin, PhD; John D. Loy, DVM, PhD, Diplomate ACVM; Amy M. Schmidt, PhD, PE
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Hydrated lime manure treatment was evaluated to determine porcine epidemic diarrhea virus (PEDV) susceptibility to alkaline stabilization. At pH 10, PEDV decreased (quantitative polymerase chain reaction) and lost infectivity (swine bioassay). Although ammonium decreased above pH 9 (up to 25%), alkaline stabilization managed to control potential infection from manure sources.
Keywords: manure, porcine epidemic diarrhea, pH, hydrated lime
Cite as: Stevens EE, Miller DN, Brittenham BA, et al. Alkaline stabilization of manure slurry inactivates porcine epidemic diarrhea virus. J Swine Health Prod 2018;26(2):95-100.
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