Table 1.
ELISA titers from birds vaccinated with adeno-F at high dose before and after challenge with the three different NDV isolates. Birds found dead or euthanized are highlighted in black and birds displaying any clinical signs are highlighted in dark gray. Positive sera at 18 days dpv and at 11 dpc by ELISA test using 1/500 or 1/100 dilutions are highlighted in green. ELISA was tested using 1/500 dilution at 11 dpc.
18 dpv | 11 dpc | |||
---|---|---|---|---|
Challenge Virus | Bird Tag | Titer (1/100) | Titer (1/500) | Titer (1/500) |
CA02 | 30 | 1283 | 104 | 16,480 |
31 | 779 | 0 | 15,545 | |
32 | 147 | 0 | 16,932 | |
33 | 3451 | 1128 | 15,453 | |
34 | 1155 | 197 | NS | |
35 | 809 | 394 | 16,274 | |
36 | 1291 | 389 | 16,214 | |
37 | 1674 | 482 | NT | |
38 | 2006 | 126 | 16,622 | |
39 | 2442 | 1008 | 16,377 | |
40 | 418 | 263 | NS | |
41 | 478 | 42 | 15,436 | |
42 | 711 | 201 | NS | |
43 | 3842 | 729 | 15,268 | |
44 | 1200 | 214 | 16,856 | |
45 | 1246 | 274 | 16,089 | |
46 | 613 | 0 | NS | |
47 | 297 | 0 | 14,779 | |
48 | 917 | 44 | 13,397 | |
49 | 290 | 69 | 17,900 | |
Mean | 1252 | 283 | 15,974.8 | |
EG14 | 70 | 147 | 11 | 15,464 |
71 | 0 | 27 | NS | |
72 | 1125 | 0 | 13,903 | |
73 | 1396 | 125 | 13,827 | |
74 | 1373 | 687 | 14,110 | |
75 | 1109 | 21 | 13,713 | |
76 | 79 | 60 | NS | |
77 | 3195 | 860 | 14,716 | |
78 | 726 | 203 | NS | |
79 | 470 | 186 | 12,631 | |
80 | 282 | 219 | NS | |
81 | 34 | 93 | NS | |
82 | 102 | 246 | NS | |
83 | 681 | 76 | NS | |
84 | 1735 | 264 | 12,220 | |
85 | 147 | 7 | 16,078 | |
86 | 1321 | 49 | 14,879 | |
87 | 297 | 104 | 11,329 | |
88 | 1629 | 186 | 14,191 | |
89 | 2713 | 482 | 13,074 | |
Mean | 928 | 258 | 13,857 | |
TZ12 | 110 | 282 | 509 | 10,668 |
111 | 237 | 60 | NS | |
112 | 64 | 88 | 11,652 | |
113 | 0 | 181 | NS | |
114 | 214 | 4 | 12,837 | |
115 | 2134 | 111 | 15,360 | |
116 | 478 | 31 | 14,132 | |
117 | 3533 | 729 | 15,154 | |
118 | 0 | 0 | 5549 | |
119 | 1795 | 236 | 14,955 | |
120 | 0 | 44 | NS | |
121 | 290 | 0 | 14,550 | |
122 | 8390 | 2613 | 14,096 | |
123 | 689 | 471 | 16,013 | |
124 | 0 | 307 | NS | |
125 | 0 | 0 | NS | |
126 | 493 | 0 | 12,704 | |
127 | 2585 | 323 | 15,083 | |
128 | 1915 | 159 | 14,787 | |
129 | 403 | 142 | 17,590 | |
Mean | 1567 | 327 | 13,675 |
dpv: days post-vaccination, dpc: days post-challenge, NT: not tested, NS: non-surviving.