Protein | Challenge strain | No. of birds (day 0/35)a
|
---|
GtxA-C | 7990 | 20/19 |
GtxA-N | | 20/19 |
FlfA | | 20/17 |
Placebo | | 20/17 |
GtxA-C | IPDH 697-78 | 20/20 |
GtxA-N | | 20/20 |
FlfA | | 20/20 |
Placebo | | 20/15 |
GtxA-C | 12656-12 | 40/38 |
GtxA-N | | 40/39 |
FlfA | | 40/36 |
Placebo | | 40/35 |
- Immunization with one of three recombinant proteins was done at day 0 and 14, followed by challenge with a G. anatis strain at day 35.
-
a A total of 25 birds showed feather pecking behavior and were removed from the study between day 14 and day 35, in order to prevent development cannibalism among the birds.