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american canine hepatozoonosis. an emerging disease in the new world.hepatozoon canis was first described from dogs in 1905 in india and rhipicephalus sanguineus was identified as the vector. dogs on the texas gulf coast were recognized in 1978 to have hepatozoonosis, and it was thought that h. canis had entered the new world. later, it was realized that american canine hepatozoonosis (ach) is more debilitating than its old world counterpart, often resulting in death. when the malady and parasite were characterized, a new species, h. americanum, was described, in ...200011193705
diversity of hepatozoon species in naturally infected dogs in the southern united states.hepatozoon americanum is a protozoan that causes american canine hepatozoonosis (ach) in the southern united states; hepatozoon canis, the causative agent of canine hepatozoonosis in africa, asia, europe, and south america, has not previously been definitively identified in dogs in the united states. to characterize the diversity of hepatozoon spp. in domestic dogs from oklahoma, blood samples collected from dogs residing in an endemic area of the state, clinical cases presented to veterinarians ...200818485602
genetic diversity of hepatozoon spp. in coyotes from the south-central united states.to better define the strains and species of hepatozoon that infect coyotes in the south-central united states, whole blood and muscle samples were collected from 44 coyotes from 6 locations in oklahoma and texas. samples were evaluated by a nested polymerase chain reaction (pcr) using primers amplifying a variable region of the apicomplexan 18s rrna gene as well as histopathology (muscle only) for presence of tissue cysts. hepatozoon spp. infections were identified in 79.5% (35/44) of coyotes te ...201322924920
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