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Table 6 Summary of results of PCR (+)/VI (−) LA-treated or MCFA-treated control feed ingredients from batch 4 tested by swine bioassay

From: Modeling the transboundary risk of feed ingredients contaminated with porcine epidemic diarrhea virus

Ingredienta

Treatment

Ct of inoculum

Clinical signs & rectal swabs

PCR testing of small intestine

Soybean meal-conventional

LA

31.44

negative

negative

Soybean meal-organic

LA

22.38

negative

negative

Vitamin D

LA

38

negative

negative

Lysine

LA

17.83

negative

negative

Choline chloride

LA

33.70

negative

negative

Soybean meal-conventional

MCFA

23.78

negative

negative

Soybean meal-organic

MCFA

17.75

negative

negative

Vitamin D

MCFA

20.60

negative

negative

Lysine

MCFA

20.33

negative

negative

Choline chloride

MCFA

21.24

negative

negative

(−) control

Saline

38

negative

negative

  1. a: Ingredients were selected based on the recovery of viable PEDV in their non-treated equivalent samples