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Table 2 Weibull model kinetic parameters of Porcine Epidemic Diarrhea Virus survival in ingredients after thermal treatment

From: Survival of porcine epidemic diarrhea virus (PEDV) in thermally treated feed ingredients and on surfaces

Temperature 60 °C 70 °C 80 °C 90 °C
Ingredienta Delta (min)b Adj. R2 Delta (min)b Adj. R2 Delta (min)b Adj. R2 Delta (min)b Adj. R2
CF 3.8 ± 1.2 0.72 1.1 ± 1.3 0.88 1.5 ± 1.6 0.84 2.0 ± 2.2 0.84
SBM 3.3 ± 2.3 0.83 1.3 ± 5.0 0.83 1.7 ± 1.8 0.68 2.0 ± 2.1 0.85
C 3.4 ± 3.2 0.85 3.3 ± 4.5 0.75 2.2 ± 1.5 0.90 1.7 ± 1.6 0.89
DDGS 2.5 ± 1.7 0.84 2.2 ± 2.4 0.87 1.3 ± 1.4 0.87 2.1 ± 1.7 0.87
PM 4.9 ± 4.3 0.89 1.4 ± 5.0 0.76 2.0 ± 2.4 0.85 2.0 ± 1.7 0.83
SDPP 3.6 ± 3.4 0.86 2.1 ± 1.8 0.86 2.3 ± 1.6 0.85 2.1 ± 3.1 0.87
BM 2.0 ± 6.0 0.83 3.5 ± 4.4 0.81 1.5 ± 2.8 0.84 0.64 ± 0.3 0.84
MM 3.0 ± 2.6 0.85 2.0 ± 1.6 0.89 2.1 ± 1.2 0.90 2.1 ± 0.9 0.84
MBM 6.0 ± 2.5 0.88 2.4 ± 1.4 0.84 2.3 ± 1.0 0.85 0.9 ± 0.9 0.75
P-Value 0.75   0.50   0.98   0.78  
  1. a CF complete feed, SDPP spray dried porcine plasma, MM meat meal, MBM meat and bone meal, BM blood meal, SBM soybean meal, C corn, PM vitamin-trace mineral premix, DDGS Corn distillers dried grains with solubles
  2. bAverage of 6 replicates, Delta values indicates the time to achieve 1 log reduction