Population Dynamics, Diversity and Distribution of Freshwater Snails in Zobe Dam, Dutsin-Ma, North-Western Nigeria

Auta, Timothy; Alkali, Emmanuel; Michael, Elaigwu Audu

doi:10.9734/ajee/2018/v8i430078

Cited by 4 publications

(1 citation statement)

References 11 publications

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“…. In North-Western Nigeria, 788 (47.94%) L. natalensis, 492 (29.93%) B. trophicus and 364 (26.14%) B. forskalii(37), were reported. This similarity might be due to the abundancy and occurrence of snail species were largely in uenced by water quality.Similarly, in Kpong Head Pond, Ghana a total of 1,034 snails were collected throughout the study period.…”

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A Cross Sectional Assessment on Distribution of Snail and Risk Factors of Schistosoma Mansoni Infection in Proximity to Water Contact Points in Gorgora Town, Western Dembia District, Northwest Ethiopia.

Abere¹,

Worku²,

Genetu³

et al. 2020

Preprint

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Background: Schistosomiasis is one of the great neglected tropical diseases with socio-economic and health problem worldwide. In Ethiopia numerous studies reported S. mansoni is high among school-age and preschool age children. Though intensive prevalence studies are conducted the snail distribution and infectivity status and human infection rate dynamics in Ethiopian context remains poorly understood. Thus the purpose of the current study was to assess distribution of snail and risk factors of Schistosoma mansoni infection in proximity to water contact points in Gorgora town, Western Dembia District, Northwest Ethiopia. Method: A Community based cross-sectional study was conducted in Gorgora Town from March to May 2020. A total of 385 study participants were selected by systematic random sampling technique. Stool sample was collected and examined by Kato-Katz technique. Malacological survey was done from sampling sites showing signs of human activity near Lake Tana shoreline. Live snails collected in plastic bucket containing water and weed were transported within four hours to the University of Gondar, Medical parasitology laboratory for identification and determination of infection. Data was entered with EPI Data version 4.4.2.1. Data analysis was carried out using SPSS version 20.0 and STATA version 15.0. p-value ≤ 0.05 was reported as statistically significant. Spatial distribution analysis was done using ArcGIS system for Geographical Information System (GIS). Result: The overall prevalence of S. mansoni infection was 36.6% (CI: 32-41.9) with intensity of 30.5%, 27.0% and 42.6% for light, moderate, and heavy, respectively. Among the different fresh water snails collected on the basis of shell morphology 546(%) were Biomphalaria pfeifferi, 310(28.1%) were Bulinus spp, 101(9.1%) were Lymnaea, and 147(13.3%) were Bivalve. Schistosome infection in Biomphalaria spp. was 0.0%. Swimming frequency and proximity to water body were observed to be the most associated risk factor to S. mansoni infection. Conclusion: The study showed that S. mansoni is an ongoing health problem in Gorgora. Different fresh water snails with a potential of transmitting diseases of human and veterinary importance that requires attention had been identified. Longitudinal and molecular study on Biomphalaria pfeifferi infection rate as well as susceptibility to schistosome infection is recommended.

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confidence: 97%

A Cross Sectional Assessment on Distribution of Snail and Risk Factors of Schistosoma Mansoni Infection in Proximity to Water Contact Points in Gorgora Town, Western Dembia District, Northwest Ethiopia.

Abere¹,

Worku²,

Genetu³

et al. 2020

Preprint

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The diversity of fresh water snail fauna in Kiri dam, Adamawa State, North Eastern Nigeria

Meshack

Aliyu

Suleiman

et al. 2020

GSC Biol. and Pharm. Sci.

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Freshwater Snails are crucial in assessing the ecological status of water bodies, besides their economic, public and veterinary health importance. Hence, the need to study the occurrence, and diversity of freshwater snails in Kiri dam where there is paucity of such information becomes imperative. Accordingly, this study was carried out between December, 2016 and July, 2018. Snails were searched for in the five contact sites identified using long handle metal scoop nets in accordance with standard procedure. Snails recovered were examined for natural infections. Eleven (11) different fresh water snail species were encountered including Bulinus globosus, Bulinus truncatus, Biomphalaria pfeifferi, Lymnaea natalensis, Lanistes ovum, Lanistes varicus, Pila ovata, Melanoides maculata, Melanoides tuberculata, Bellamya unicolor and Gabiella tchadiensis of the eleven different snail species examined, only Bulinus globosus Bulinus truncatus and Biomphalaria pfeifferi shed schistosome cercariae. The other 8 species did not have any natural infections. The study revealed that Kiri Dam harbours diverse species of fresh water snails including those of public health importance. The presence of naturally infected snails indicates that the people engaging in various activities in the dam, are predisposed to infections harboured by these snails.

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Wet Season Water Quality and Zooplanktons Community of Jibia Lake, Katsina State, Nigeria

Auta,

Alexander,

Bichi

2023

Asian J. Biol. Sci

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Population Dynamics, Diversity and Distribution of Freshwater Snails in Zobe Dam, Dutsin-Ma, North-Western Nigeria

Cited by 4 publications

References 11 publications

A Cross Sectional Assessment on Distribution of Snail and Risk Factors of Schistosoma Mansoni Infection in Proximity to Water Contact Points in Gorgora Town, Western Dembia District, Northwest Ethiopia.

A Cross Sectional Assessment on Distribution of Snail and Risk Factors of Schistosoma Mansoni Infection in Proximity to Water Contact Points in Gorgora Town, Western Dembia District, Northwest Ethiopia.

The diversity of fresh water snail fauna in Kiri dam, Adamawa State, North Eastern Nigeria

Wet Season Water Quality and Zooplanktons Community of Jibia Lake, Katsina State, Nigeria

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