Proof of concept: visual categorization of carotenoid pigmentation in Arctic charr (Salvelinus alpinus L) can predict stress response

被引：2
|
作者：
Backstrom, Tobias [1 ]
Brannas, Eva [2 ]
Nilsson, Jan [2 ]
Carlberg, Hanna [2 ]
Johansson, Kajsa [2 ]
Magnhagen, Carin [2 ]
机构：
[1] Univ Koblenz Landau, Inst Integrated Nat Sci, Univ Str 1, DE-56070 Koblenz, Germany
[2] Swedish Univ Agr Sci, Dept Wildlife Fish & Environm Studies, Umea, Sweden
来源：
JOURNAL OF FISH BIOLOGY | 2021年 / 98卷 / 04期
基金：
瑞典研究理事会;
关键词：
aquaculture; Arctic superior; carotenoid; net restraint stressor; pigmentation; RAINBOW-TROUT; BEHAVIOR; RESPONSIVENESS; ECOLOGY;
D O I：
10.1111/jfb.14633
中图分类号：
S9 [水产、渔业];
学科分类号：
0908 ;
摘要：
Carotenoid pigmentation in Salvelinus alpinus has been connected to stress responsiveness in earlier studies. This has, however, only been tested with time-consuming image analysis from photos. Here, we used quick visual categorization of carotenoid pigmentation to investigate the stress responsiveness of the extreme groups. The visually selected charr were then exposed to a net restraint stressor. Arctic charr with few spots also had a lower stress responsiveness compared to charr with many spots. Thus, visual selection could be used as a simple method within aquaculture.
引用
收藏
页码：1192 / 1195
页数：4
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