Table 2 Summary of feed ingredients which contained viable PEDV as detected by virus isolation
Ingredient | Mean | Mean | Mean | Mean |
|---|---|---|---|---|
Ct/FFU titer | Ct/FFU titer | Ct/FFU titer | Ct/FFU titer | |
Day1 PI | Day 7 PI | Day 14 PI | Day 30 PI | |
SBM | 16.24/225,000 | 16.51/170,000 | 17.48/10,000 | 15.72/15,360 |
DDGS | 23.17/17,500 | 23.29/9600 | 21.71/80 | 18.65/40 |
RBCs | 19.70/160,000 | 21.18/25,000 | 21.61/3540 | 19.53/500 |
Meat & bone meal | 17.44/25,325 | 18.95/25,600 | 19.76/1920 | 16.04/1320 |
Choice white grease | 18.46/700 | 19.66/140 | 24.60/negative | 22.60/negative |
Lysine HCL | 18.08/40 | 19.42/40 | 20.09/40 | 15.83/40 |
D/L Methionine | 21.60/20,000 | 21.16/12,800 | 21.44/350 | 18.06/240 |
Threonine | 29.31/40 | 28.27/40 | 27.98/40 | 23.55/negative |
Limestone | 27.49/40 | 27.06/40 | 27.37/negative | 23.17/negative |
(+) Control complete feed | 22.87/750 | 20.81/500 | 18.40/640 | 18.75/150 |
(−) Control complete feed | >38/negative | >38/negative | >38/negative | >38/negative |
Virus stock | 16.34/200,000 | 17.35/200,000 | 18.40/12,800 | 18.95/5120 |