Table 3.
Detection of BTV RNA and anti-BTV antibodies in tissues and milk from ewes.
Sheep | Virus | Spleen | Mesenteric Lymph nodes | Milk (on day of parturition) | Anti-BTV abs in milk |
---|---|---|---|---|---|
1 |
Control |
N.D. |
N.D. |
N.D. |
NEG |
2 |
|
N.D. |
N.D. |
N.D. |
NEG |
3 |
|
N.D. |
N.D. |
N.D. |
NEG |
4 |
|
27.31 |
- |
34.63 |
+ |
5 |
BTV-2 wt |
30.07 |
- |
- |
+ |
6 |
|
23.14 |
31.03 |
29.76 |
+ |
7 |
|
24.13 |
33.37 |
- |
+ |
8 |
|
26.36 |
- |
- |
+ |
9 |
|
27.59 |
31.6 |
- |
+ |
10 |
|
N.D. |
N.D. |
N.D. |
+ |
11 |
BTV-8 wt |
33.00 |
- |
- |
+ |
12 |
|
28.81 |
32.03 |
- |
+ |
13 |
|
28.56 |
35.10 |
- |
+ |
14 |
|
30.42 |
34.12 |
- |
+ |
15 |
|
30.59 |
33.04 |
- |
+ |
16 |
|
30.13 |
32.65 |
−1 |
+ |
17 |
BTV-8 rg |
35.51 |
31.99 |
- |
+ |
18 |
|
29.66 |
- |
- |
+ |
19 |
|
28.32 |
33.98 |
- |
+ |
20 |
|
29.84 |
- |
- |
+ |
21 |
|
26.19 |
- |
- |
+ |
22 |
|
28.31 |
32.86 |
- |
+ |
23 |
BTV-2 rg |
32.13 |
- |
- |
+ |
24 |
|
30.48 |
- |
- 1 |
+ |
25 |
|
28.66 |
- |
- 1 |
+ |
26 |
|
28.38 |
- |
35.08 |
+ |
27 |
|
26.72 |
33.11 |
- |
+ |
28 | 26.68 | - | - | + |
1: Milk samples collected on later days contained low levels of BTV RNA but it may be that the milk was contaminated by blood from the ewe.