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  • Title: Cross-sectional survey of ticks (Acari: Ixodidae) in sheep from an area of the southern Italian Apennines.
    Author: Rinaldi L, Otranto D, Veneziano V, Milillo P, Buono V, Iori A, Di Giulio G, Cringoli G.
    Journal: Exp Appl Acarol; 2004; 33(1-2):145-51. PubMed ID: 15285146.
    Abstract:
    A cross-sectional survey of ticks was conducted on 197 ovine farms with animals pasturing in an area (3971 km2) of the southern Italian Apennines. The farms were selected to be uniformly distributed throughout the study area using Geographical Information System (GIS). Ticks were collected from 309 (31.4%) out of the 985 sheep sampled, belonging to 92 (46.7%) out of the 197 farms included in the study. The following tick species were found (farm prevalence): Dermacentor marginatus (37.6%), Haemaphysalis punctata (29.4%), H. sulcata (2.5%), H. parva (2.0%). H. inermis (0.5%), Ixodes gibbosus (2.0%), I. ricinus (0.5%), Rhipicephalus sanguineus group (1.0%), and R. bursa (0.5%). A point distribution map (PDM) was drawn by GIS in order to display the distribution of each tick genus in the study area. The general trends of the PDM show that Dermacentor marginatus and Haemaphysalis spp. were widely and homogeneously spread throughout the study area, whereas Rhipicephalus spp. and Ixodes spp. were present only in a few concentrated zones of the study area in accordance to their biological and ecological characteristics.
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