Behavioural and Some Physiological Assessment of Glyphosate and Paraquat Toxicity to Juveniles of African Catfish, Clarias gariepinus
The impact of acute exposure of Clarias gariepinus juveniles to commonly used herbicides, glyphosate and paraquat was evaluated through changes in fish behaviour and mortality. Juveniles of the African catfish were exposed to varying acute concentrations of glyphosate and paraquat. The fishes respon...
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| Veröffentlicht in: | Pakistan journal of zoology 2017-02, Vol.49 (1), p.175 |
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| creator | Isaac, Ayanda Opeyemi Joshua, Oniye Sonnie Jehu, Auta |
| description | The impact of acute exposure of Clarias gariepinus juveniles to commonly used herbicides, glyphosate and paraquat was evaluated through changes in fish behaviour and mortality. Juveniles of the African catfish were exposed to varying acute concentrations of glyphosate and paraquat. The fishes responded, exhibiting different behavioural abnormalities like hyperactivity, abnormal swimming, restlessness, loss of equilibrum and haemorrhage. Observation of opercular ventilation count (OVC), tail fin movemant rate (TMR) and air gulping index (AGI) showed a marked difference between control and exposed fishes, indicating that the herbicides negatively impact on these parameters. These behavioural and morphological anomalies became more pronounced with increasing concentrations of the herbicides. Mortality was also observed to be concentration dependent.After 96 h of exposure, the 96hr LC50 for paraquat was found to be 0.07mg/L while that of glyphosate was found to be 0.530mg/L. The result revealed that glyphosate and paraquat have the ability to induce unusual behaviours in fish and can therefore serve as reliable indicators of toxicity in environmental impact assessment programmes. |
| doi_str_mv | 10.17582/journal.pjz/2017.49.1.155.181 |
| format | Article |
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Juveniles of the African catfish were exposed to varying acute concentrations of glyphosate and paraquat. The fishes responded, exhibiting different behavioural abnormalities like hyperactivity, abnormal swimming, restlessness, loss of equilibrum and haemorrhage. Observation of opercular ventilation count (OVC), tail fin movemant rate (TMR) and air gulping index (AGI) showed a marked difference between control and exposed fishes, indicating that the herbicides negatively impact on these parameters. These behavioural and morphological anomalies became more pronounced with increasing concentrations of the herbicides. Mortality was also observed to be concentration dependent.After 96 h of exposure, the 96hr LC50 for paraquat was found to be 0.07mg/L while that of glyphosate was found to be 0.530mg/L. The result revealed that glyphosate and paraquat have the ability to induce unusual behaviours in fish and can therefore serve as reliable indicators of toxicity in environmental impact assessment programmes.</description><identifier>ISSN: 0030-9923</identifier><identifier>DOI: 10.17582/journal.pjz/2017.49.1.155.181</identifier><language>eng</language><publisher>Lahore: Knowledge Bylanes</publisher><subject>Abnormalities ; Catfish ; Chemical contaminants ; Clarias gariepinus ; Ecosystems ; Environmental assessment ; Environmental impact ; Environmental impact assessment ; Exposure ; Fish ; Fish behavior ; Glyphosate ; Health aspects ; Hemorrhage ; Herbicides ; Histopathology ; Hyperactivity ; Juveniles ; Laboratories ; Morphology ; Mortality ; Organic chemicals ; Organisms ; Paraquat ; Pesticides ; Physiology ; Pollutants ; Sharptooth catfish ; Swimming ; Toxicity ; Ventilation</subject><ispartof>Pakistan journal of zoology, 2017-02, Vol.49 (1), p.175</ispartof><rights>COPYRIGHT 2017 Knowledge Bylanes</rights><rights>Copyright 2017 Pakistan Journal of Zoology</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Isaac, Ayanda Opeyemi</creatorcontrib><creatorcontrib>Joshua, Oniye Sonnie</creatorcontrib><creatorcontrib>Jehu, Auta</creatorcontrib><title>Behavioural and Some Physiological Assessment of Glyphosate and Paraquat Toxicity to Juveniles of African Catfish, Clarias gariepinus</title><title>Pakistan journal of zoology</title><description>The impact of acute exposure of Clarias gariepinus juveniles to commonly used herbicides, glyphosate and paraquat was evaluated through changes in fish behaviour and mortality. Juveniles of the African catfish were exposed to varying acute concentrations of glyphosate and paraquat. The fishes responded, exhibiting different behavioural abnormalities like hyperactivity, abnormal swimming, restlessness, loss of equilibrum and haemorrhage. Observation of opercular ventilation count (OVC), tail fin movemant rate (TMR) and air gulping index (AGI) showed a marked difference between control and exposed fishes, indicating that the herbicides negatively impact on these parameters. These behavioural and morphological anomalies became more pronounced with increasing concentrations of the herbicides. Mortality was also observed to be concentration dependent.After 96 h of exposure, the 96hr LC50 for paraquat was found to be 0.07mg/L while that of glyphosate was found to be 0.530mg/L. The result revealed that glyphosate and paraquat have the ability to induce unusual behaviours in fish and can therefore serve as reliable indicators of toxicity in environmental impact assessment programmes.</description><subject>Abnormalities</subject><subject>Catfish</subject><subject>Chemical contaminants</subject><subject>Clarias gariepinus</subject><subject>Ecosystems</subject><subject>Environmental assessment</subject><subject>Environmental impact</subject><subject>Environmental impact assessment</subject><subject>Exposure</subject><subject>Fish</subject><subject>Fish behavior</subject><subject>Glyphosate</subject><subject>Health aspects</subject><subject>Hemorrhage</subject><subject>Herbicides</subject><subject>Histopathology</subject><subject>Hyperactivity</subject><subject>Juveniles</subject><subject>Laboratories</subject><subject>Morphology</subject><subject>Mortality</subject><subject>Organic chemicals</subject><subject>Organisms</subject><subject>Paraquat</subject><subject>Pesticides</subject><subject>Physiology</subject><subject>Pollutants</subject><subject>Sharptooth catfish</subject><subject>Swimming</subject><subject>Toxicity</subject><subject>Ventilation</subject><issn>0030-9923</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNotkFtLw0AQhfOgYKn9DwuCTybdSy6bxxi0KgUL1uewSWaTLWk2zW6K9d3_7Wo7A3NgOPPBHM-7JzggScTpcqensRddMOy-lxSTJAjTgAQkigLCyZU3w5hhP00pu_EWxuywqzCOKOUz7-cRWnFUDiA6JPoafeg9oE17Mkp3ulGVW2fGgDF76C3SEq2609BqIyz8-zdiFIdJWLTVX6pS9oSsRm_TEXrVgfk7yOToMD3KhZXKtA8o78SohEGNExhUP5lb71qKzsDionPv8_lpm7_46_fVa56t_YZE1PosiUKa1hQYx7SStcQxKyWtSzcYT2qWkBhwyVmcSlFDRaqohJSFVSkkYxzY3Ls7c4dRHyYwtrhEZwqXW5zyhCbEuYKzqxEdFKqX2o6icl3DXlW6B-leK7KQc4yTFEfsFxSIeSQ</recordid><startdate>20170201</startdate><enddate>20170201</enddate><creator>Isaac, Ayanda Opeyemi</creator><creator>Joshua, Oniye Sonnie</creator><creator>Jehu, Auta</creator><general>Knowledge Bylanes</general><general>AsiaNet Pakistan (Pvt) Ltd</general><scope>7QG</scope><scope>7SS</scope><scope>7XB</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M2P</scope><scope>M7P</scope><scope>P64</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>RC3</scope></search><sort><creationdate>20170201</creationdate><title>Behavioural and Some Physiological Assessment of Glyphosate and Paraquat Toxicity to Juveniles of African Catfish, Clarias gariepinus</title><author>Isaac, Ayanda Opeyemi ; Joshua, Oniye Sonnie ; Jehu, Auta</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g152t-375429d2e3802cfdf063bf2dbbf2387d3716e0b8369fadec1c5be934cbaf338e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Abnormalities</topic><topic>Catfish</topic><topic>Chemical contaminants</topic><topic>Clarias gariepinus</topic><topic>Ecosystems</topic><topic>Environmental assessment</topic><topic>Environmental impact</topic><topic>Environmental impact assessment</topic><topic>Exposure</topic><topic>Fish</topic><topic>Fish behavior</topic><topic>Glyphosate</topic><topic>Health aspects</topic><topic>Hemorrhage</topic><topic>Herbicides</topic><topic>Histopathology</topic><topic>Hyperactivity</topic><topic>Juveniles</topic><topic>Laboratories</topic><topic>Morphology</topic><topic>Mortality</topic><topic>Organic chemicals</topic><topic>Organisms</topic><topic>Paraquat</topic><topic>Pesticides</topic><topic>Physiology</topic><topic>Pollutants</topic><topic>Sharptooth catfish</topic><topic>Swimming</topic><topic>Toxicity</topic><topic>Ventilation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Isaac, Ayanda Opeyemi</creatorcontrib><creatorcontrib>Joshua, Oniye Sonnie</creatorcontrib><creatorcontrib>Jehu, Auta</creatorcontrib><collection>Animal Behavior Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Biological Science Collection</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Genetics Abstracts</collection><jtitle>Pakistan journal of zoology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Isaac, Ayanda Opeyemi</au><au>Joshua, Oniye Sonnie</au><au>Jehu, Auta</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Behavioural and Some Physiological Assessment of Glyphosate and Paraquat Toxicity to Juveniles of African Catfish, Clarias gariepinus</atitle><jtitle>Pakistan journal of zoology</jtitle><date>2017-02-01</date><risdate>2017</risdate><volume>49</volume><issue>1</issue><spage>175</spage><pages>175-</pages><issn>0030-9923</issn><abstract>The impact of acute exposure of Clarias gariepinus juveniles to commonly used herbicides, glyphosate and paraquat was evaluated through changes in fish behaviour and mortality. Juveniles of the African catfish were exposed to varying acute concentrations of glyphosate and paraquat. The fishes responded, exhibiting different behavioural abnormalities like hyperactivity, abnormal swimming, restlessness, loss of equilibrum and haemorrhage. Observation of opercular ventilation count (OVC), tail fin movemant rate (TMR) and air gulping index (AGI) showed a marked difference between control and exposed fishes, indicating that the herbicides negatively impact on these parameters. These behavioural and morphological anomalies became more pronounced with increasing concentrations of the herbicides. Mortality was also observed to be concentration dependent.After 96 h of exposure, the 96hr LC50 for paraquat was found to be 0.07mg/L while that of glyphosate was found to be 0.530mg/L. The result revealed that glyphosate and paraquat have the ability to induce unusual behaviours in fish and can therefore serve as reliable indicators of toxicity in environmental impact assessment programmes.</abstract><cop>Lahore</cop><pub>Knowledge Bylanes</pub><doi>10.17582/journal.pjz/2017.49.1.155.181</doi></addata></record> |
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| subjects | Abnormalities Catfish Chemical contaminants Clarias gariepinus Ecosystems Environmental assessment Environmental impact Environmental impact assessment Exposure Fish Fish behavior Glyphosate Health aspects Hemorrhage Herbicides Histopathology Hyperactivity Juveniles Laboratories Morphology Mortality Organic chemicals Organisms Paraquat Pesticides Physiology Pollutants Sharptooth catfish Swimming Toxicity Ventilation |
| title | Behavioural and Some Physiological Assessment of Glyphosate and Paraquat Toxicity to Juveniles of African Catfish, Clarias gariepinus |
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