Abstract
A sample of 110 lactating dairy cows was examined to describe the attachment sites of female Ixodes ricinus ticks and to assess whether counts on one or two body areas can predict infestation and its level. Seventy per cent of the cows were infested by I. ricinus and the average tick burden on the infested cows was 15, ranging from 1 to 136. Preferred attachment sites were the axilla, udder/groin, neck, dewlap and flank. Udder/groin and axilla carryied respectively 35.3% and 44.1% of the total tick burden. To predict infestation (yes/no), sensitivity of counts on axilla, on udder/groin and on both areas was respectively, 76.6%, 80.6% and 94.8%. Total burden prediction equations based on count on axilla and udder/groin are presented.
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L'Hostis, M., Diarra, O. & Seegers, H. Sites of attachment and density assessment of female Ixodes ricinus (Acari: Ixodidae) on dairy cows. Exp Appl Acarol 18, 681–689 (1994). https://doi.org/10.1007/BF00051535
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DOI: https://doi.org/10.1007/BF00051535