Botanical and Ethnoveterinary Surveys of Two Acacias (&amp;lt;i&amp;gt;Acacia raddiana&amp;lt;/i&amp;gt; and &amp;lt;i&amp;gt;Acacia nilotica&amp;lt;/i&amp;gt;) Exploited in Small Ruminant Rearing in Sahelian Area of Burkina Faso

Zabré, Geneviève

doi:10.11648/j.avs.20170505.11

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AVS

2017

DOI: 10.11648/j.avs.20170505.11

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Botanical and Ethnoveterinary Surveys of Two Acacias (<i>Acacia raddiana</i> and <i>Acacia nilotica</i>) Exploited in Small Ruminant Rearing in Sahelian Area of Burkina Faso

Geneviève Zabré¹

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Comparison of thein vitroanthelmintic effects ofAcacia niloticaandAcacia raddiana

et al. 2017

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Gastrointestinal nematodes are a major threat to small ruminant rearing in the Sahel area, where farmers traditionally use bioactive plants to control these worms, including Acacia nilotica and Acacia raddiana. The main aim of this study was to screen the potential anthelmintic properties of aqueous and acetone extracts of leaves of these two plants based on three in vitro assays: (1) the egg hatch inhibition assay (EHA); (2) the larvae exsheathment inhibition assay (LEIA) using Haemonchus contortus as a model; and (3) an adult mortality test (AMT) applied on Caenorhabditis elegans. For the EHA, only A. raddiana was effective with IC50 = 1.58 mg/mL for aqueous extract, and IC50 = 0.58 mg/mL for acetonic extract. For the LEIA, all extracts inhibited the exsheathment of larvae compared to the controls, and the aqueous extract of A. nilotica was more larvicidal with IC50 = 0.195 mg/mL. In general, all responses to the substances were dose-dependent and were significantly different from the control group (p < 0.05). For the AMT, the extracts of the two Acacia species were effective but A. raddiana showed greater efficacy with 100% mortality at 2.5 mg/mL and LC50 = 0.84 mg/mL (acetonic extract). The addition of polyvinyl polypyrrolidone (PVPP) to the extracts suggested that tannins were responsible for blocking egg eclosion and inducing adult mortality but were not responsible for exsheathment inhibition. These results suggest that the leaves of these Acacia species possess ovicidal and larvicidal activities in vitro against H. contortus, and adulticidal effects against C. elegans.

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Comparison of thein vitroanthelmintic effects ofAcacia niloticaandAcacia raddiana

et al. 2017

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Botanical and Ethnoveterinary Surveys of Two Acacias (<i>Acacia raddiana</i> and <i>Acacia nilotica</i>) Exploited in Small Ruminant Rearing in Sahelian Area of Burkina Faso

Cited by 1 publication

References 11 publications

Comparison of thein vitroanthelmintic effects ofAcacia niloticaandAcacia raddiana

Comparison of thein vitroanthelmintic effects ofAcacia niloticaandAcacia raddiana

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