Publications

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rickettsial infection in domestic mammals and their ectoparasites in el valle de antón, coclé, panamá.the present research evaluated the presence of rickettsia spp. on ectoparasites of horses and dogs (using pcr techniques), and their sera (using immunofluorescence assay) in el valle de antón town in panama. a total of 20 horses and 20 dogs were sampled, finding four species of ectoparasites on dogs (the ticks rhipicephalus sanguineus, amblyomma ovale, amblyomma oblongoguttatum, and the flea ctenocephalides felis), and two tick species on horses (amblyomma cajennense and dermacentor nitens). dna ...201021144663
ticks species (ixodida) in the summit municipal park and adjacent areas, panama city, panama.from september 2007 to september 2009, we studied the species of ticks present in the summit municipal park. ticks were extracted from zoo animals, free-living wild mammals and reptiles trapped, dead mammals on the roads and environment (ground and zoo burrows). a total of 2,649 ticks were collected: 2,167 immature stages (1,345 larvae and 822 nymphs) and 482 adults. seventeen species were identified: ornithodoros puertorricensis (argasidae), amblyomma auricularium, a. cajennense, a. calcaratum, ...201020585838
detection and identification of rickettsial agents in ticks from domestic mammals in eastern panama.several outbreaks of rocky mountain spotted fever have occurred in recent years in colombian communities close to the border with panama. however, little is known about rickettsiae and rickettsial diseases in eastern panamanian provinces, the darien province and the kuna yala, located north of the endemic area in colombia. in 2007, 289 ticks were collected in several towns from dogs, horses, mules, cows, and pigs. dna was extracted from 124 dermacentor nitens, 64 rhipicephalus sanguineus, 43 amb ...200919645289
characterization of acaricide resistance in rhipicephalus sanguineus (latreille) (acari: ixodidae) collected from the corozal army veterinary quarantine center, panama.rhipicephalus sanguineus (latreille) were collected from the corozal army veterinary quarantine center in panama and characterized for resistance to five classes of acaricides. these ticks were highly resistant to permethrin, ddt, and coumaphos; moderately resistant to amitraz; and not resistant to fipronil when compared with susceptible strains. resistance to both permethrin and ddt may result from a mutation of the sodium channel. however, synergist studies indicate that enzyme activity is inv ...200111296838
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