TABLE 2.
Proportions of total small-ruminant populations in the five divisions of The Gambia and overall heartwater seroprevalence rates
| Division | No. of sites | % of total livestocka
|
% of seropositive animals (total no. sampled)
|
Probabilityb | |||
|---|---|---|---|---|---|---|---|
| Sheep | Goats | Total | Sheep | Goats | |||
| Western Division | 12 | 10.9 | 11.9 | 11.5 | 88.1 (160) | 44.1 (295) | <0.001 |
| Lower River Division | 5 | 7.9 | 11.8 | 10.2 | 63.1 (111) | 21.9 (32) | <0.001 |
| North Bank Division | 3 | 12.7 | 23.5 | 19.0 | 40.6 (69) | 59.0 (100) | 0.019 |
| Central River Division | 5 | 43.5 | 34.8 | 38.4 | 29.3 (188) | 4.8 (166) | <0.001 |
| Upper River Division | 3 | 25.0 | 18.0 | 20.9 | 32.4 (111) | 2.3 (86) | <0.001 |
a
Deduced from reference 1.
b
Probability determined by comparing differences between the proportions of seropositive sheep and seropositive goats in a division (a P value of 0.05 or less is significant).