| the geographic distribution and ecological preferences of the american dog tick, dermacentor variabilis (say), in the u.s.a. | equine piroplasmosis (ep), caused by two parasitic organisms, theileria equi and babesia caballi, is a tick-borne disease of recent concern in horses in the u.s.a. outbreaks of ep have been detected in florida, missouri, kansas and texas. in 2009, ep transmission in texas occurred through the adults of two tick species, amblyomma mixtum [formerly known as amblyomma cajennense (fabricius, 1787)] koch (ixodida: ixodidae) and dermacentor variabilis (say) (ixodida: ixodidae), the american dog tick ( ... | 2015 | 25684582 |
| outbreak of equine piroplasmosis in florida. | a 7-year-old quarter horse gelding was hospitalized in ocala, fla, because of lethargy, fever, anorexia, and swelling of distal aspects of the limbs. a tentative diagnosis of equine piroplasmosis (ep) was made on the basis of examination of a blood smear. the case was reported to the florida state veterinarian, and infection with babesia equi was confirmed. the subsequent investigation included quarantine and testing of potentially exposed horses for b equi and babesia caballi infections, tick s ... | 2012 | 22332629 |