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Jacques DT, Safiou A, Jédirfort H, et al. In Vitro effect of the ethanolic extract of Tephrosia Vogelii on Rhipicephalus Sanguineus in Abomey-Calavi. Avicenna J Phytomed. 2015;5(3):247-59
Jacques, D. T., Safiou, A., Jédirfort, H., & Souaïbou, F. (2015). In Vitro effect of the ethanolic extract of Tephrosia Vogelii on Rhipicephalus Sanguineus in Abomey-Calavi. Avicenna journal of phytomedicine, 5(3), 247-59.
Jacques, Dougnon Tossou, et al. "In Vitro effect of the ethanolic extract of Tephrosia Vogelii on Rhipicephalus Sanguineus in Abomey-Calavi." Avicenna journal of phytomedicine vol. 5,3 (2015): 247-59.
Jacques DT, Safiou A, Jédirfort H, Souaïbou F. In Vitro effect of the ethanolic extract of Tephrosia Vogelii on Rhipicephalus Sanguineus in Abomey-Calavi. Avicenna J Phytomed. 2015 May-Jun;5(3):247-59. PMID: 26101758; PMCID: PMC4469961.
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Avicenna J Phytomed. 2015 May-Jun;5(3):247-59.

In Vitro effect of the ethanolic extract of Tephrosia Vogelii on Rhipicephalus Sanguineus in Abomey-Calavi.

Avicenna journal of phytomedicine

Dougnon Tossou Jacques, Adéhan Safiou, Houessionon Jédirfort, Farougou Souaïbou

Affiliations

  1. Research Laboratory in Applied Biology , Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, 01BP2009 Abomey-Calavi, Republic of Benin.

PMID: 26101758 PMCID: PMC4469961

Abstract

OBJECTIVES: Ticks are vectors of several diseases, of which many are zoonosis transmissible to humans. The use of Tephrosia leafs' extract as a low cost acaricide is spreading among farmers in central Kenya.

MATERIALS AND METHODS: The present study's aim is to inventory endogenous control methods against dogs' ticks among which Rhipicephalus sanguineus, in the Municipality of Abomey-Calavi. From September to October 2013, a survey was made on forty randomly selected breeders and ticks samples were collected on forty dogs. The web platform, www.epicollect.net, was used for the survey. In total, 77.5% (n=40) of examined dogs were infested with ticks.

RESULTS: Three species of ticks were identified: Rhipicephalus sanguineus, Haemaphysalis leachi, and Amblyomma variegatum. They were found on 77.5%, 17.5%, and 15% of examined dogs, respectively. The numerical abundance of the three species was 87.06%, 11.9%, and 1.03%, respectively. The average number of ticks per animal was 16.83±5.04, 2.3±1.64, and 0.2±0.08 for Rhipicephalus sanguineus, Haemaphysalis leachi, and Amblyomma variegatum, respectively. Farmers used manual diptank (67.5%), plant ash (37.5%), petroleum (12.5%), motor oil (2.50 %), and sea water (7.5%) to fight against ticks.

CONCLUSION: The phytochemical screening of the leafy stem's powder of Tephrosia vogelii revealed the presence of catechol tannins, saponins, sugars, leuco-anthocyanins, polyterpenes, and sterols. A 100% larval mortality was observed at the concentration of 20% the ethanolic extract of the leafy stem of Tephrosia vogelii. The LC50 of this ethanolic extract against Rhipicephalus sanguineus larvae was equal to 2.6%.

Keywords: Abomey-Calavi; Dog; Rhipicephalus sanguineus; Tephrosia vogelii

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