30Nov 2015

In vitro evaluation of the acaricidal effect of three essential oils extracted from aromatic local plants on Rhipicephalus (Boophilus) microplus ticks in Benin.

  • University of Abomey (UAC), Polytechnic School of Abomey- Calavi (EPAC) Production and Animal Health Department, Applied Biology Research Laboratory (LARBA) 01 Po.Box: 2009 Cotonou, Benin.
  • National Institute for Scientific Research, Research Center of Agonkanmey (CRA / INRAB), Abomey-Calavi, Benin.
  • Laboratory of Study Research and in Applied Chemistry. Polytechnic School of Abomey- Calavi, University of Abomey- Calavi.
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Acaricidal activity, of essential oils extracted from the leaves of Chenopodium ambrosioides; Ocimum canum and Citrus aurantium in Benin, was tested in vitro on Rhipicephalus (Boophilus) microplus cattle tick using the test contact. The results showed that all these oils have a positive effect on Rhipicephalus (Boophilus) microplus. However, the effect of Chenopodium ambrosioides essential oil was stronger than that of the two other plants: 100% mortality at (0.25?l/cm2) compare to 60% (0.25?l/cm2) for Ocimum canum and 43% for (0.25?l/cm2) Citrus aurantium respectively. The value of LD50 obtained was: 0.02?l/cm2, 0.06?l/cm2, and 0.75?l/ cm2 for Chenopodium ambrosioides, Ocimum canum and Citrus aurantium essential oil respectively. Analysis of the variance of the daily cumulative mortality data in relation to the dose of essential oil used showed significant differences at 5% threshold. Thus, the use of Chenopodium ambrosioides’ essential oil as an alternative control method of Rhipicephalus (Boophilus) microplus could be consider as for the development of cattle breeding in Benin.


[K. J. ADINCI, R. E.YESSINOU, S .B. ADEHAN, M. YOVO, S. AHOUNOU, P. SESSOU, C. ADOLIGBE, P. F. DOSSOU, S. Y. AVOCEGAMOU, A. K. I. YOUSSAO, M. N. ASSOGBA, G. A.MENSAH., S. FAROUGOU (2015); In vitro evaluation of the acaricidal effect of three essential oils extracted from aromatic local plants on Rhipicephalus (Boophilus) microplus ticks in Benin. Int. J. of Adv. Res. 3 (11). 1514-1520] (ISSN 2320-5407). www.journalijar.com


Dr. Philippe SESSOU


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