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Effect of selected chemicals on inducing relaxation in the dog conch Laevistrombus canarium (Linnaeus, 1758)

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Relation http://eprints.cmfri.org.in/10304/
 
Title Effect of selected chemicals on inducing relaxation in the dog conch
Laevistrombus canarium (Linnaeus, 1758)
 
Creator Venkatesan, V
Kalidas, C
 
Subject Gastropods
 
Description Adult dog conchs Laevistrombus canarium (60.6±1.23 mm shell length) were subjected to selected potential relaxant
chemicals viz., magnesium chloride (MgCl2), magnesium sulphate (MgSO4), EDTA (ethylenediaminetetraacetic acid
disodium), 2-phenoxyethanol (PE), menthol (ME) and the time taken to induce relaxation and recovery were studied.
All the treatments were observed continuously for 30 min post-exposure. Among the selected relaxants, MgCl2 (30 g l-1)
successfully induced adequate relaxation in 24.5 min. Relaxed conch presented an extended mantle and exhibited slow
reaction to physical manipulation. Conchs exposed to all other treatments, retracted into their shells and did not show any
sign of relaxation during the exposure period.
 
Publisher Central Marine Fisheries Research Institute
 
Date 2014
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/10304/1/9_Venkatesan_IJF_61.4.pdf
Venkatesan, V and Kalidas, C (2014) Effect of selected chemicals on inducing relaxation in the dog conch Laevistrombus canarium (Linnaeus, 1758). Indian Journal of Fisheries, 61 (4). pp. 131-133.