COMPARATIVE ASSESSMENT OF TOXICOLOGICAL AND BIOCHEMICAL EFFECTS OF EMAMECTIN BENZOATE ON THE AIR-BREATHING FRESHWATER SNAIL (Biomphalaria alexandrina EHRENBERG) AND ITS COMPETITOR SNAIL SEMINOLE RAMS-HORN (Helisoma duryi WETHERBY)

Theodor Bilharz Research Institute

Bibliographic Information

Authors: Albogami B.; Sharshir F.A.; Ali R.E.M.; Taha E.K.A.; Rakha O.; Alnshrty F.S.; Abdelkader M.N.; Hassan M.M.; Awad M.F.; Mwabvu T.; Elnabawy E.M.

Journal: Applied Ecology and Environmental Research

Publisher: Corvinus University of Budapest

Publication Date: 2025

Volume / Issue: Volume 23 / Issue 3

Pages: 3861–3876

ISSN: 15891623

DOI: 10.15666/aeer/2303_38613876

Scopus: View on Scopus

Document Type: Article

Access: All Open Access; Gold Open Access

Authors and Affiliations

Albogami B., Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia, High Altitude Research Centre, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia; Sharshir F.A., Department of Economic Entomology, Faculty of Agriculture, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt; Ali R.E.M., Medical Malacology Department, Theodor Bilharz Research Institute, Corniche El Nile St., Warrak El-Haddar, Giza, Imbaba, 12411, Egypt; Taha E.K.A., Department of Economic Entomology, Faculty of Agriculture, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt; Rakha O., Department of Economic Entomology, Faculty of Agriculture, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt; Alnshrty F.S., Medical Malacology Department, Theodor Bilharz Research Institute, Corniche El Nile St., Warrak El-Haddar, Giza, Imbaba, 12411, Egypt; Abdelkader M.N., Department of Economic Entomology, Faculty of Agriculture, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt; Hassan M.M., Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia, High Altitude Research Centre, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia; Awad M.F., Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia, High Altitude Research Centre, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia; Mwabvu T., High Altitude Research Centre, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia, School of Biology and Environmental Sciences, University of Mpumalanga, Private Bag X 11283, Mbombela, 1200, South Africa; Elnabawy E.M., Department of Economic Entomology, Faculty of Agriculture, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt

Abstract

This study was conducted to assess the selective toxicity of emamectin benzoate (EMB) on the intermediate host for the parasite of schistosomiasis disease, B. alexandrina and its bio-control agent seminole rams-horn (H. duryi) as a non-target organism in relation to schistosomiasis control. Also, the biochemical effects of EMB and the effect on eggs' hatchability of these snails were compared. LC10, LC25, and LC50 for both adult snails were determined. In addition, the effects of the sub-lethal concentrations on glucose, albumin, total protein, total lipids, and steroid sex hormones were determined in homogenated snail tissue. LC50 and LC90 values for B. alexandrina were 3.30 vs 6.12 ppm and for H. duryi were 4.80 and 8.00 ppm, respectively after 24 hrs of exposure. 1, 3, and 7 days old eggs of H. duryi exhibited significantly higher percentage of hatchability than those of B. alexandrina when exposed to EMB for 48 hrs. Additionally, eggs of H. duryi displayed significantly higher values for glucose, albumin, total protein, total lipids, testosterone, and 17β-estradiol than B. alexandrina when exposed to sub-lethal concentrations of EMB. It could be concluded that EMB had a highly toxic effect on B. alexandrina if compared to H. duryi. © 2025, ALÖKI Kft., Budapest, Hungary.

Keywords

biological control; freshwater; predators; Schistosoma mansoni; snails

Citation Information

Scopus Citations: 0

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