Table 1. Horses tested by competitive ELISA for Theileria equi on index ranch of equine piroplasmosis outbreak in southern Texas, USA, 2009.
Ranch division | No. positive/no. tested (%) |
---|---|
A* | 213/281 (75.8) |
B | 36/36 (100) |
C | 10/10 (100) |
D |
33/33 (100) |
Total | 292/360 (81.1) |
*Division A contained all younger stock. Infection rates among younger animals were lower. The other 3 divisions contained mostly horses used for working cattle.