incidence of brown dog ticks, rhipicephalus sanguineus, at a kennel in okayama prefecture.twenty two adult dogs suffered from tick infestation at a kennel in okayama prefecture in the summer of 1994. four of them had been introduced from u.s.a. some dogs showed pyoderma, anemia, neutrophilia or eosinophilia. neither babesia gibsoni nor hepatozoon canis was detected on the smear samples of peripheral blood. the ticks detected were morphologically identified as rhipicephalus sanguineus. this case was a rare incidence of the tick in the other areas of japan than okinawa.19957548423
anaplasma marginale infection in a japanese black cow 13 years after eradication of rhipicephalus (boophilus) microplus in okinawa, october 2007, a 15-year-old japanese black cow on ishigaki island, okinawa, japan, was diagnosed with anaplasma marginale infection based on clinical symptoms, blood examination, smear observation, 16s rrna and groel gene sequence analysis, and the result of a cf test. the cow was introduced into the farm from mainland japan as a calf in 1993, one year before the eradication of rhipicephalus (boophilus) microplus, the main vector of a. marginale in okinawa prefecture. it is possible that the ...200919135309
ixodid tick species recovered from domestic dogs in japan.the species of ixodid ticks (acari: ixodidae) recovered from domestic dogs in japan between september to november 2000 and april to june 2001 were identified. a total of 4122 ticks, including 1624 larvae, 1200 nymphs, 1016 females and 282 males were removed from 1221 dogs during these periods. haemaphysalis longicornis (neumann) was the most frequently found (40.3% of dogs), followed by h. flava (neumann) (16.1% of dogs), rhipicephalus sanguineus (latreille) (4.8% of dogs) and ixodes ovatus (neu ...200312680923
detection of ehrlichia platys dna in brown dog ticks (rhipicephalus sanguineus) in okinawa island, japan.thirty-two rhipicephalus sanguineus females collected from eight free-roaming dogs in okinawa island, japan, were examined for ehrlichial dna by 16s rrna-based pcr and subsequent sequencing. partial sequences of ehrlichia platys 16s rrna (678 to 679 bp) were detected in three ticks (9.4%) from two dogs. this is the first report of detection of e. platys in japan, and also the first report of detection in ticks.200011060094
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