Table 6.

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

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

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