Individual variation in sea lice (Lepeophtheirus salmonis) infection on Atlantic salmon (Salmo salar)

被引：22

作者：

Glover, KA ^{[1
]}

Nilsen, F ^{[1
]}

Skaala, O ^{[1
]}

机构：

[1] Inst Marine Res, N-5817 Bergen, Norway

来源：

AQUACULTURE | 2004年 / 241卷 / 1-4期

关键词：

lepeophtheirus salmonis; Atlantic salmon; genetic; Salmo salar L;

D O I：

10.1016/j.aquaculture.2004.07.030

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

The same individually tagged Atlantic salmon were subject to two separate challenges with the sea louse, Lepeophtheirus salmonis, in a single tank. A multiple regression model was used to investigate the potential influence of individual variation in density of lice in challenge 1, weight of fish in challenge 2 and family of origin, on the observed variation in intensity of lice in challenge 2. The model gave an overall R-2=0.165, P<0.003. Decomposition indicated that the only variable exhibiting a significant influence on the observed variation in individual variation in intensity of lice in the second challenge was fish weight (P<0.006). These data demonstrate that an individuals relative infection level in the first challenge was a poor predictor of its relative infection in the second challenge. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：701 / 709

页数：9

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