Effect of mercuric chloride on terrestrial slug<i>Semperula maculata</i>and histopathology of reproductive organs: a comprehensive study

Londhe, Sunil; Patil, Sandip; Kamble, Nitin

doi:10.1080/02772248.2015.1046680

Cited by 6 publications

(3 citation statements)

References 34 publications

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“…During reproductive phase, animals were found in courtship activity, egg laying, hatching and embryological development. Experimental slugs were found buried under moist soil in courtship behavior similar to that of their natural habitat 26 . We observed that, number of eggs, its size, was notably different with that of morphological and physiological differentiation.…”

Section: Resultsmentioning

confidence: 99%

Assessment of Reproductive and Regenerative Potency In Some Selected Molluscan Species

2020

JCBSC

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Reproduction is physiological mechanism to show the regenerative potency among the animals. Present work focus on reproductive and regenerative potency in selected molluscan species under maintained laboratory conditions. Molluscs were selected for differences with their special accent on mode of fecundity, fertilization, embryological development and hatching process. Some of the molluscs were hermaphrodite. Animals were collected from two different ecosystems viz; terrestrial and freshwater. Under the laboratory conditions, three molluscan species-Semperula maculata (terrestrial slug), Macrochlamys indica (terrestrial snail) and Bellamya bengalensis (freshwater snail) were comparatively studied for their regenerative capabilities regarding egg laying capacity, hatching etc,. The oviparity type of reproduction was found in terrestrial molluscs, Semperula maculata and Macrochlamys indica, while mechanism of viviparity was observed in aquatic snail Bellamya bengalensis. Present study highlights differences in eggs, embryonic development and adults with their survivility. Study was discussed with the comparative account of embryological steps among the aquatic and terrestrial molluscs. Total data was interpreted for capabilities of regenerative potency and developmental biology in molluscan species regarding their better survivility in the ecosystem to maintain food chain.

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Section: Resultsmentioning

confidence: 99%

Assessment of Reproductive and Regenerative Potency In Some Selected Molluscan Species

2020

JCBSC

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“…Indeed, the study of Wandan et al showed that exposure to high doses of the pesticide endosulfan do slightly negatively affect the weight of Achatina achatina snails which also belong to the Achatinadea group [ 50 ]. Other studies on different land snails have shown a correlation between snail growth and exposure to certain heavy metals like copper and lead [ 49 , 51 , 52 ]. Another hypothesis that can explain the low weight and size of snails from the high pesticide areas is that these areas also have more human activity, and the collection of snails for consumption is also higher.…”

Section: Discussionmentioning

confidence: 99%

Impact of pesticides exposure on Archachatina marginata snails in four Cameroon monomodal rainforest sites

Enangue Njembele,

Seppo Njembele,

Dicka kwambe

et al. 2024

PLoS ONE

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Cameroon monomodal rainforest zone has a strong agricultural activity and is therefore exposed to pesticides. Furthermore, the area possesses climatic factors that favor the growth of Achatinadea snails known as African giant snails, a delicacy for the local population. The present study aimed to evaluate pesticides contamination (less vs more exposed areas) through assessment of exposure and impact on Achatinadea snails. Achatinadea snails were collected within intensive agricultural areas (Njombe and Kribi rural) and in areas with less agricultural activity (Ebodje and Dibombari). Collection was performed at night between July and September 2020 using an adapted square kilometer method. Type, number, weight, and size of the collected snails were analyzed and compared using Welsh’s One-way Analysis of variance (ANOVA). After removing the soft part from the shell, the presence of pesticides was determined using mass spectrometry. Histological analysis of kidney and ovo-testis was performed using eosin-hematoxylin staining. Results showed that the main variety of snails collected are Archachatina marginata. In areas with less agricultural activity, snails are bigger than those from more agricultural areas heavily using pesticides. Furthermore, pesticides detection showed that glyphosate, but not metalaxyl, is present in animals coming from all the collection sites. Cypermethrin was found in all the samples except in those from Dibombari. Histology revealed that the structure of the kidney and ovo-testis of snails from more exposed areas is impaired. In conclusion, this study revealed that some pesticides are transferred to snail and impair the structure of important organs.

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“…Biomagnification of any toxicant released into environment made a way into aquatic and terrestrial media, indirectly cause lethal damage to animals and disturbs ecobalance (Londhe et al, 2015). Since 1948, water soluble, salty white boric acid powder is being utilized as pesticides and also ordinarily applied as insecticides, fungicides, algaecides and miticides or acaricides (See et al, 2010;Sabbour et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Boric acid toxicity in some selected molluscan species

J.S¹,

S.S²,

N.A³

2021

IJBEI

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: Survivability of animals is correlated with their fecundity and fertility success. Widespread use of enormous organic and inorganic ingredients as pesticides, molluscicides and insecticides contaminate ecosystems leading to hazardous effects on the life cycle of animals, their biological processes and reproduction. Present work aimed for toxicity assessment of boric acid against some selected molluscan species through evaluation of their mortality by determination of LC50. For toxicity assessment three different molluscan species were used. By applying standard procedure, LC50 was estimated at different concentrations of boric acid for different exposure periods. This study indicated that freshwater snail Bellamya bengalensis was more sensitive for boric acid, whereas slug, Semperula maculate was least sensitive against boric acid after different period of exposure.

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Effect of mercuric chloride on terrestrial slugSemperula maculataand histopathology of reproductive organs: a comprehensive study

Cited by 6 publications

References 34 publications

Assessment of Reproductive and Regenerative Potency In Some Selected Molluscan Species

Assessment of Reproductive and Regenerative Potency In Some Selected Molluscan Species

Impact of pesticides exposure on Archachatina marginata snails in four Cameroon monomodal rainforest sites

Boric acid toxicity in some selected molluscan species

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