Impact of carbamide perhydrate on the snail bulinus truncatus, the intermediate host of schistosoma haematobium
Bibliographic Information
Authors: Dokmak H.-A.A.S.; El-Emam M.A.; Mossalem H.S.; El-Tayeb T.A.; Khalil M.T.
Journal: Egyptian Journal of Aquatic Biology and Fisheries
Publisher: Egyptian Society for the Development of Fisheries and Human Health
Publication Date: 1 May 2021
Volume / Issue: Volume 25 / Issue 3
Pages: 85–99
ISSN: 11106131
DOI: 10.21608/ejabf.2021.172770
Scopus: View on Scopus
Document Type: Article
Access: All Open Access; Gold Open Access
Authors and Affiliations
Dokmak H.-A.A.S., Medical Malacology Department, Theodor Bilharz Research Institute, Egypt; El-Emam M.A., Medical Malacology Department, Theodor Bilharz Research Institute, Egypt; Mossalem H.S., Medical Malacology Department, Theodor Bilharz Research Institute, Egypt; El-Tayeb T.A., National Institute for Laser Enhanced Science (NILES), Egypt; Khalil M.T., Faculty of Science, Ain Shams University, Cairo, Egypt
Abstract
Control of the snail Bulinus truncatus is an essential component in elimination of the parasite Schistosoma haematobium in Egypt. Carbamide perhydrate, as a disinfectant and bleaching agent in cosmetics and pharmacioticals, was bio-assayed against B. truncatus snails. It was toxic to these snails with LC90 of 138.54 ppm after 24-h of exposure. It caused significant detrimental effects on the total protein content, the activities of AST, ALT and ALP enzymes and the levels of steroid sex hormones in the tissues of treated snails, which in turn reflected negatively on their fecundity (Mx) and reproductive rate (R0). The reduction rate of R0 for snails treated with LC25 was 76.66%. Moreover, this compound exerted obvious histological changes in the digestive and hermaphrodite glands of treated snails, where secretory and digestive cells in the digestive gland were swelled and ruptured in addition to degeneration of connective tissues, ova and sperms in acini of the hermaphrodite gland. So, carbamide perhydrate exerted harmful effects to B.truncatus snails, as it negatively affected their biological and physiological activities as well their productivity, hence minimize or diminish the snail population available for the transmission of S. haematobium. Therefore, this compound could be suggested as an effective and safe component in schistosomiasis control program. © 2021, Egyptian Society for the Development of Fisheries and Human Health. All rights reserved.
Keywords
Biochemical parameters; Bulinus truncatus; Carbamid perhydrate; Molluscicidal
Citation Information
Scopus Citations: 5
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