Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content

Volume 17, Number 10—October 2011

Dispatch

Equine Piroplasmosis Associated with Amblyomma cajennense Ticks, Texas, USA

Glen A. ScolesComments to Author , H. Joel Hutcheson, Jack L. Schlater, Steven G. Hennager, Angela M. Pelzel, and Don P. Knowles
Author affiliations: US Department of Agriculture and Washington State University, Pullman, Washington, USA (G.A. Scoles, D.P. Knowles); US Department of Agriculture, Ames, Iowa, USA (H.J. Hutcheson, J.L. Schlater, S.G. Hennager); US Department of Agriculture, Fort Collins, Colorado, USA (A.M. Pelzel)

Main Article

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.

Main Article

TOP