A nondestructive tool for the measurement of muscle strength in juvenile oysters Crassostrea gigas

被引：13
|
作者：
Poulet, SA [1 ]
Lennon, JF [1 ]
Plouvenez, F [1 ]
Jalabert, F [1 ]
Correc, G [1 ]
Cueff, A [1 ]
Lacoste, A [1 ]
机构：
[1] CNRS, Biol Stn, INSU, UPMC, F-29682 Roscoff, France
来源：
AQUACULTURE | 2003年 / 217卷 / 1-4期
关键词：
juvenile oyster; Crassostrea gigas; summer mortality; muscle diagnostic;
D O I：
10.1016/S0044-8486(02)00495-7
中图分类号：
S9 [水产、渔业];
学科分类号：
0908 ;
摘要：
A new tool, designed to measure the adductor muscle strength in juvenile oysters, is described. This instrument has been applied for the evaluation of muscle strength (F) in relation to dry weight of shell-free oysters, longitudinal (d1) and transversal (d2) diameters, and to sizes of the opaque (0) and translucent (t) portions of the adductor. Our results have established a link between summer mortality and correlation coefficient computed between (F) and dry weight values in juvenile oysters. The regression between (F) and dry weight values was linear in healthy oyster samples. It was not linear, or correlation coefficient was less significant, in samples presenting high mortality. During a 3-year survey in the Bay of Morlaix, France, >40 different stocks of oysters were tested with this tool, used for the diagnosis of healthy, resistant juveniles and recognition of weak specimens. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：49 / 60
页数：12
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