|
ILTV strains
|
Proportion of chickens infected with ILTV (%)*
|
|---|
|
Eye drop
|
In-contact
|
Shared airspace
|
Total
|
|---|
|
A20
|
7/7 (100)a
|
7/7 (100)a
|
4/15 (27)bA
|
18/29 (62)A
|
|
Serva
|
8/8 (100)
|
8/8 (100)
|
16/16 (100)B
|
32/32 (100)B
|
|
Class 9
|
8/8 (100)
|
8/8 (100)
|
15/15 (100)B
|
31/31 (100)B
|
|
Total
|
23/23 (100)
|
23/23 (100)
|
35/46 (76)
|
81/92 (88)
|
|
Factor
|
P value
|
|
ILTV strain
|
< 0.0001
|
|
Mode of exposure
|
0.0019
|
- Proportion of birds becoming infected with ILTV following exposure to A20, Serva and Class 9 ILTV by eye drop inoculation, contact with inoculated birds or sharing an airspace with inoculated in the 21 dpe.
- *As defined in “Materials and methods” section.
- abDifferent lowercase superscripts indicate significant differences within rows.
- ABUppercase superscripts indicate a significant differences within columns for each ILTV strain. (P < 0.05).
