The detection of Schistosoma bovis in livestock on Pemba Island, Zanzibar: A preliminary study

Schistosoma bovis is a parasitic trematode of ungulates transmitted by freshwater snails in Sub-Saharan Africa causing bovine intestinal schistosomiasis that leads to chronic morbidity and significant agricultural economic losses. The recently reported occurrence of Bulinus globosus infected with S....

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Autores principales: Tom Pennance, Shaali M. Ame, Amour Khamis Amour, Khamis Rashid Suleiman, Jo Cable, Bonnie L. Webster
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Publicado: Elsevier 2021
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spelling oai:doaj.org-article:c7fc030908db47ecb6a24c20c85eef382021-11-04T04:44:07ZThe detection of Schistosoma bovis in livestock on Pemba Island, Zanzibar: A preliminary study2667-114X10.1016/j.crpvbd.2021.100056https://doaj.org/article/c7fc030908db47ecb6a24c20c85eef382021-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2667114X21000509https://doaj.org/toc/2667-114XSchistosoma bovis is a parasitic trematode of ungulates transmitted by freshwater snails in Sub-Saharan Africa causing bovine intestinal schistosomiasis that leads to chronic morbidity and significant agricultural economic losses. The recently reported occurrence of Bulinus globosus infected with S. bovis for the first time on Pemba Island (Zanzibar, United Republic of Tanzania) is a cause of concern for livestock/wildlife health and complicates the surveillance of Schistosoma haematobium. To confirm that local cattle are infected with S. bovis, fresh faecal samples were collected from six adult cows surrounding two schistosomiasis transmission sites in Kinyasini, Pemba Island. Schistosome eggs were concentrated, egg hatching stimulated and miracidia were individually captured and identified by analysis of the partial mitochondrial cytochrome c oxidase subunit 1 (cox1) and the partial nuclear internal transcribed spacer region (ITS1+5.8S+ITS2). Two S. bovis miracidia were collected from one faecal sample with two cox1 haplotypes, one matching cox1 data obtained from S. bovis cercariae, collected previously at the same site in Pemba, the other matching S. bovis cox1 data originating from coastal Tanzania. The findings conclude that S. bovis transmission has been established on Pemba Island and is likely to have been imported through livestock trade with East Africa. Increasing the sensitivity of non-invasive diagnostics for bovine schistosomiasis, together with wider sampling, will enable a better assessment on the epidemiology of S. bovis on Pemba Island.Tom PennanceShaali M. AmeAmour Khamis AmourKhamis Rashid SuleimanJo CableBonnie L. WebsterElsevierarticleSchistosomiasisSchistosomesSchistosoma bovisBovidCattleUngulateInfectious and parasitic diseasesRC109-216ENCurrent Research in Parasitology and Vector-Borne Diseases, Vol 1, Iss , Pp 100056- (2021)
institution DOAJ
collection DOAJ
language EN
topic Schistosomiasis
Schistosomes
Schistosoma bovis
Bovid
Cattle
Ungulate
Infectious and parasitic diseases
RC109-216
spellingShingle Schistosomiasis
Schistosomes
Schistosoma bovis
Bovid
Cattle
Ungulate
Infectious and parasitic diseases
RC109-216
Tom Pennance
Shaali M. Ame
Amour Khamis Amour
Khamis Rashid Suleiman
Jo Cable
Bonnie L. Webster
The detection of Schistosoma bovis in livestock on Pemba Island, Zanzibar: A preliminary study
description Schistosoma bovis is a parasitic trematode of ungulates transmitted by freshwater snails in Sub-Saharan Africa causing bovine intestinal schistosomiasis that leads to chronic morbidity and significant agricultural economic losses. The recently reported occurrence of Bulinus globosus infected with S. bovis for the first time on Pemba Island (Zanzibar, United Republic of Tanzania) is a cause of concern for livestock/wildlife health and complicates the surveillance of Schistosoma haematobium. To confirm that local cattle are infected with S. bovis, fresh faecal samples were collected from six adult cows surrounding two schistosomiasis transmission sites in Kinyasini, Pemba Island. Schistosome eggs were concentrated, egg hatching stimulated and miracidia were individually captured and identified by analysis of the partial mitochondrial cytochrome c oxidase subunit 1 (cox1) and the partial nuclear internal transcribed spacer region (ITS1+5.8S+ITS2). Two S. bovis miracidia were collected from one faecal sample with two cox1 haplotypes, one matching cox1 data obtained from S. bovis cercariae, collected previously at the same site in Pemba, the other matching S. bovis cox1 data originating from coastal Tanzania. The findings conclude that S. bovis transmission has been established on Pemba Island and is likely to have been imported through livestock trade with East Africa. Increasing the sensitivity of non-invasive diagnostics for bovine schistosomiasis, together with wider sampling, will enable a better assessment on the epidemiology of S. bovis on Pemba Island.
format article
author Tom Pennance
Shaali M. Ame
Amour Khamis Amour
Khamis Rashid Suleiman
Jo Cable
Bonnie L. Webster
author_facet Tom Pennance
Shaali M. Ame
Amour Khamis Amour
Khamis Rashid Suleiman
Jo Cable
Bonnie L. Webster
author_sort Tom Pennance
title The detection of Schistosoma bovis in livestock on Pemba Island, Zanzibar: A preliminary study
title_short The detection of Schistosoma bovis in livestock on Pemba Island, Zanzibar: A preliminary study
title_full The detection of Schistosoma bovis in livestock on Pemba Island, Zanzibar: A preliminary study
title_fullStr The detection of Schistosoma bovis in livestock on Pemba Island, Zanzibar: A preliminary study
title_full_unstemmed The detection of Schistosoma bovis in livestock on Pemba Island, Zanzibar: A preliminary study
title_sort detection of schistosoma bovis in livestock on pemba island, zanzibar: a preliminary study
publisher Elsevier
publishDate 2021
url https://doaj.org/article/c7fc030908db47ecb6a24c20c85eef38
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