Skip to main content

Advertisement

Table 4 Summary of results of PCR (+)/VI (−) feed ingredients tested by swine bioassay

From: An evaluation of porcine epidemic diarrhea virus survival in individual feed ingredients in the presence or absence of a liquid antimicrobial

Ingredient Samples pooled for inoculum Ct of inoculum Clinical signs/rectal swabs PCR testing of small intestine
Corn 7, 14, 30 DPI 23.44 Negative Negative
VTM-sow 7, 14, 30 DPI 24.82 Negative Negative
VTM-nursery 7, 14, 30 DPI 26.39 Negative Negative
VTM-finisher 7, 14, 30 DPI 26.38 Negative Negative
Choice white grease 14, 30 DPI 23.21 Positive Positive
Hydrolyzed intestinal mucosa 7, 14, 30 DPI 24.38 Negative Negative
Soy oil 7, 14, 30 DPI 34.15 Negative Negative
Threonine 30 DPI 28.27 Negative Negative
Limestone 14, 30 DPI 28.07 Negative Negative
Plasma 7, 14, 30 DPI 22.95 Negative Negative
Purified plasma 7, 14, 30 DPI 23.46 Negative Negative
Choline chloride 7, 14, 30 DPI 18.01 Positive Positive
LA -treated 7, 14, 30 DPI 31.06 Negative Negative
(−) Control saline >38 Negative Negative