First zootiological survey of hard ticks (Acari: Ixodidae) infesting dogs in northern Taiwan
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Hard ticks infesting canine hosts were determined for the first time in northern Taiwan. Between May 2010 and April 2011, a total of 9467 ticks were collected from 2025 dogs. They were identified based on pictorial keys of their morphological characteristics. These ticks belong to three genus and six species: Rhipicephalus sanguineus, R. haemaphysaloides, Haemaphysalis hystricis, H. lagrangei, H. formosensis and Ixodes ovatus. Rhipicephalus sanguineus was the most dominant species (92.5%), followed by H. hystricis (4.6%), R. haemaphysaloides (2.3%), I. ovatus (0.54%), H. lagrangei (0.04%) and H. formosensis (0.01%). The overall density was 4.7 ticks per dog (ranging from 1.8 to 20.8) and the highest seasonal prevalence was observed in September with an average density of 8.2 ticks per dog. Our results not only provide the first survey of hard ticks infesting dogs in northern Taiwan, but also highlight the possible impact of these tick species on human health.
KeywordsIxodidae Tick Canine Taiwan
This work was supported in part by grants from the Ministry of Science and Technology (MOST106-2314-B-037-031), Taipei and Kaohsiung Medical University Research Foundation (KMU-Q105001), Kaohsiung, Taiwan, ROC.
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