Population density of Indoplanorbis exustus in Barpeta district of Assam, India

Bulbul, KH; Das, Meena; Islam, SK Shaheenur; Sarmah, Prabhat Chandra; Tamuly, Shantanu; Borah, Probodh; Hussain, J.

doi:10.5958/0974-0813.2020.00017.0

Cited by 2 publications

(5 citation statements)

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“…The highest infection rate observed in monsoon season might be due to abundance of I. exustus snails and their rapid multiplication and dispersion. The rainy season is suitable for the survival I. exustus snails (Bulbul et al 2020a, Bulbul et al 2020b) and the parasite itself (Bedarkar et al 2000). Furthermore, rain splashes might help in dispersion of faecal matter containing eggs and miracidia to the snail habitats.…”

Section: Prevalence Of Hepato-intestinal or Visceral Schistosomosismentioning

confidence: 99%

Prevalence and associated risk factors of Schistosoma indicum infection in cattle of Assam, India

Bulbul

Das

Islam

et al. 2022

Indian J of Anim Sci

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The hepato-intestinal schistosomosis, a chronic debilitating infection caused by Schistosoma indicum is one of the major helminthic problems which cause considerable reduction in production and productivity, and economic losses in Assam, India. Hence their accurate diagnosis by traditional and molecular methods is the key to its management. A total of 420 faecal samples and liver and intestinal mesenteries from different slaughter houses of Assam were collected and examined during March 2015 to February 2016 to record the prevalence of visceral schistosomosis. It was observed that prevalence rate of schistosomosis was found to be more in mesenteric and hepatic portal vein examination (12.38%) than the faecal examination (4.52%). The 28S RNA gene (28S) and mitochondrial cytochrome c oxidase subunit 1 (COI) gene of morphologically identified adult S. indicum was amplified with amplicon sizes 590 bp and 372 bp, respectively which could be used as molecular marker for diagnosis S. indicum infection. However, based on worm pair detection, the study showed an increasing incidence of schistosomosis from the month of May onward reached highest peak in July and gradually decline to lowest point in April, while coprological examination showed the highest peak in August and the lowest in March. The risk factors include age, breed and management systems of the cattle. Therefore, this study emphasizes on employing both conventional and molecular techniques to detect the various risk factors of S. indicum infection in cattle for successful control measures.

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Section: Prevalence Of Hepato-intestinal or Visceral Schistosomosismentioning

confidence: 99%

Prevalence and associated risk factors of Schistosoma indicum infection in cattle of Assam, India

Bulbul

Das

Islam

et al. 2022

Indian J of Anim Sci

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“…The oviposition strategies of the freshwater snails follow the mechanisms to avoid desiccation and water loss by the egg capsules and continuous availability of the water for the developing embryos. In many instances, the oviposition of the snails associated with the macrophytes substantiate the proposition that prevention of water loss and continuous availability of the water to the egg capsules are two vital factors required for the development of the embryos and the successful hatching of the juveniles (Bulbul et al 2020(Bulbul et al , 2022. In a comparative study, I. exustus was found to lay a greater number of egg capsules when compared with Radix rufescens (Lymnaea acuminata).…”

Section: Discussionmentioning

confidence: 68%

“…However, the preference of macrophytes for oviposition remains to be explored further to highlight the propagation of the population of the freshwater snail I. exustus. This may further be viewed in the context of the reproduction (Bulbul 2020) and the global distribution of the snail I. exustus (Liu et al 2010). Besides, given that many freshwater snail species are capable of using the macrophytes as oviposition sites, it remains to be seen how the co-occurring snail species (Pande et al 2020) are able to evade competition.…”

Section: Discussionmentioning

confidence: 99%

“…This is particularly relevant for the snail I. exustus recognized for the transmission of schistosome parasites to various domesticated animals (Bauri et al 2015;Bulbul et al 2021). The snail is abundant in several different places in India (Raut et al 1992;Bulbul et al 2020) and elsewhere with dense vegetation being the main factor in the concerned habitats. The egg capsules of I. exustus were found in the different ramified parts of the water hyacinth (E. crassipes).…”

Section: Discussionmentioning

confidence: 99%

“…Following the record of the morphological data, the various plant parts were checked for the presence of egg capsules. Subsequently the number of egg capsules and eggs laid were noted (Bulbul et al 2020). The number of egg capsules was recorded separately for stems, leaves and bulbs.…”

Section: Methodsmentioning

confidence: 99%

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Water hyacinth (Eichhornia crassipes) as an oviposition site for the disease transmitting snail Indoplanorbis exustus (Deshayes 1833) (Gastropoda: Planorbidae): implications in snail management

Sarkar,

Pal,

Saha

et al. 2023

Zoology and Ecology

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The water hyacinth (Eichhornia crassipes) is an invasive species in freshwater ecosystems with potential to alter habitat features and macroinvertebrate community composition. Many freshwater snails are associated with the water hyacinth for food and refuge. In the present study, an assessment of the water hyacinth as an oviposition site of the freshwater snail Indoplanorbis exustus was conducted through evaluation of the field collected plants. Apparently, the bulbous part of the water hyacinth was preferred over the leaves and the stems in terms of the egg capsules and eggs per egg capsule oviposited by I. exustus. A logistic regression indicated significant differences in the preferred oviposition sites by the snail. Owing to the invasion of the water hyacinth, the oviposition and further colonization by the snail I. exustus may be facilitated

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Population density of Indoplanorbis exustus in Barpeta district of Assam, India

Cited by 2 publications

References 0 publications

Prevalence and associated risk factors of Schistosoma indicum infection in cattle of Assam, India

Prevalence and associated risk factors of Schistosoma indicum infection in cattle of Assam, India

Water hyacinth (Eichhornia crassipes) as an oviposition site for the disease transmitting snail Indoplanorbis exustus (Deshayes 1833) (Gastropoda: Planorbidae): implications in snail management

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