TABLE 1.
Strain | Mean titer (log10 TCID50/mL) at hpi |
||||||
---|---|---|---|---|---|---|---|
12 | 24 | 36 | 48 | 60 | 72 | 84 | |
With trypsin | |||||||
r-Satt | 1.83 C | 1.58 C | 2.16 B | 2.08 C | 2.25 C | 3.17 B | 3.33 B |
r-Spar(530–936 aa)att | 2.75 AB | 2.92 AB | 3.67 A | 3.75 B | 3.75 B | 5.00 A | 4.42 A |
r-SparAEatt | 2.00 BC | 2.58 B | 3.50 A | 4.17 AB | 4.50 A | 4.83 A | 4.50 A |
r-Spar(605, 633, 891)att | 3.25 A | 3.42 A | 3.25 A | 4.33 A | 4.67 A | 4.5 A | 4.42 A |
Without trypsin | |||||||
r-Satt | 3.67 A | 4.67 A | 5.83 A | 6.25 A | 6.75 A | 6.92 A | 6.25 A |
r-Spar(530–936 aa)att | 2.42 B | 2.92 B | 3.58 B | 4.00 B | 4.33 B | 4.50 B | 5.00 B |
r-SparAEatt | 2.17 B | 2.25 C | 3.17 B | 3.33 BC | 3.50 C | 3.75 C | 3.92 C |
r-Spar(605, 633, 891)att | 2.00 B | 2.42 BC | 2.92 B | 2.92 C | 3.00 C | 3.42 C | 3.83 C |
Titers are expressed as the mean values (log10 TCID50 per milliliter) from three parallel tests. Values marked with the same letter (A, B, or C) are not significantly different (P > 0.05); otherwise, the difference is significant (P < 0.05).