Zorloni, A.Penzhorn, Barend LouisEloff, Jacobus Nicolaas2010-05-262010-05-262010-02Zorloni, A, Penzhorn, BL & Eloff, JN 2009, 'Extracts of Calpurnia aurea leaves from southern Ethiopia attract and immobilise or kill ticks', Veterinary Parasitology, vol. 168, no. 1-2, pp. 160-164. [http://www.sciencedirect.com/science/journal/03044017]0304-401710.1016/j.vetpar.2009.10.026356097810007005589445J-7222-2013http://hdl.handle.net/2263/14129Calpurnia aurea extracts are used in southern Ethiopia to protect stock against ticks. Acetone, hexane and water leaf extracts of C. aurea collected in southern Ethiopia were tested for repellent/attractant and acaricidal properties on unfed adult Rhipicephalus pulchellus ticks. In contrast to many other plant species evaluated, C. aurea extracts did not have repellent properties, but rather had a slight attractant capacity. With 20% and 10% acetone extracts, all ticks were either killed or their mobility severely compromised after 1 μl of extract was topically applied on the abdomen. At a 5% concentration, 85% of ticks were still affected. A 10% aqueous solution also had a marked effect. The results prove the efficacy of the traditional use of this extract and may lead to a product that can be used commercially to protect animals against tick infestation, under subsistence as well as industrialized conditions.enElsevierCalpurnia aureaRhipicephalus pulchellusHexaneAcetoneRepellency bioassayToxicity bioassayTraditional useMedicinal plants -- South AfricaMateria medica, VegetableTicks -- ControlInsect baits and repellentsPostprint Article