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Larval settlement of the tropical abalone, Haliotis asinina Linnaeus, using natural and artificial chemical inducers

Stewart, Praphaporn, Soonklang, Nantawan, Stewart, Michael J., Wanichanon, Chaitip, Hanna, Peter J., Poomtong, Tanes and Sobhon, Prasert 2008, Larval settlement of the tropical abalone, Haliotis asinina Linnaeus, using natural and artificial chemical inducers, Aquaculture research, vol. 39, no. 11, pp. 1181-1189, doi: 10.1111/j.1365-2109.2008.01982.x.

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Title Larval settlement of the tropical abalone, Haliotis asinina Linnaeus, using natural and artificial chemical inducers
Formatted title Larval settlement of the tropical abalone, Haliotis asinina Linnaeus, using natural and artificial chemical inducers
Author(s) Stewart, Praphaporn
Soonklang, Nantawan
Stewart, Michael J.
Wanichanon, Chaitip
Hanna, Peter J.
Poomtong, Tanes
Sobhon, Prasert
Journal name Aquaculture research
Volume number 39
Issue number 11
Start page 1181
End page 1189
Publisher Wiley-Blackwell
Place of publication Oxford, England
Publication date 2008-08
ISSN 1355-557X
1365-2109
Keyword(s) Haliotis asinina
larval settlement
5-AVA
GABA
l-glutamic acid
MSG
Summary Many kinds of chemical and biological materials have been used as inducers of settlement of abalone larvae, as well as other species of marine gastropods, with responses being highly variable, even to the same chemical cue. The present study tested chemical inducers, γ-aminobutyric acid (GABA), δ-aminovaleric acid (5-AVA) and l-glutamic acid (GA) and the effects they have on larval settlement of Haliotis asinina. Additionally, a relatively inexpensive commercial substance, monosodium glutamate (MSG), was trialed. The datum provided shows all chemicals to be active inducers of settlement in this study, in order of effectiveness of 5-AVA, GABA, MSG to GA. Induction as adjudged from larval numbers settled was best at 6 h 62%, with 10−1 mM 5-AVA. At 24 h, induction was the highest at 78% when exposed to 10−2 mM 5-AVA. Larvae that were allowed to settle up to 72 h showed the highest numbers of settled larvae, and declined back to 60% when exposed to 10−2 5-AVA and 10−1 mM GABA respectively. Monosodium glutamate, although third in settlement standings would bypass the other chemicals, with regard to cost versus yield. The assessment of settlement surface, rough or smooth proved to be irrelevant, which had no significant impact on larval settlement.
Notes Published Online: May 5 2008
Language eng
DOI 10.1111/j.1365-2109.2008.01982.x
Field of Research 060805 Animal Neurobiology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2008, The Authors & Blackwell Publishing Ltd (journal compilation)
Persistent URL http://hdl.handle.net/10536/DRO/DU:30017223

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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