Horak I G, Fourie L J
Faculty of Veterinary Science, University of Pretoria, Onderstepoort.
Onderstepoort J Vet Res. 1992 Dec;59(4):275-83.
Four to 10 Dorper sheep on each of 12 farms in the Cape Province and 3 farms in the Orange Free State were examined for adult ixodid ticks at approximately 2- to 4-weekly intervals over periods varying from 4 to 18 months, commencing during January, February or April 1989. The farms in the Cape Province were located in the north-west, south-west and south of the province. Those in the Orange Free State were situated in the north-east and in the south. The sheep in the Cape Province harboured 10 species of ixodid ticks and the seasonal abundances of Ixodes rubicundus, Rhipicephalus evertsi evertsi, Rhipicephalus gertrudae and Hyalomma truncatum were determined. The animals in the Orange Free State were infested with 7 tick species and the seasonal abundances of I. rubicundus, R. evertsi and Hyalomma marginatum rufipes were determined.
1989年1月、2月或4月开始，在开普省的12个农场和奥兰治自由邦的3个农场，以大约每2至4周为间隔，对每个农场的4至10只杜泊绵羊进行检查，检查成年硬蜱，持续时间从4个月到18个月不等。开普省的农场位于该省的西北部、西南部和南部。奥兰治自由邦的农场位于东北部和南部。开普省的绵羊身上寄生着10种硬蜱，并测定了红硬蜱、埃氏扇头蜱、格氏扇头蜱和截形璃眼蜱的季节丰度。奥兰治自由邦的动物感染了7种蜱，并测定了红硬蜱、埃氏扇头蜱和边缘璃眼蜱的季节丰度。
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