Slaughter of Atlantic salmon (Salmo salar L.) in the presence of carbon monoxide

被引：5
|
作者：
Bjorlykke, Gry Aletta [1 ,2 ]
Kvamme, Bjorn Olav [1 ]
Raae, Arnt J. [2 ]
Roth, Bjorn [3 ]
Slinde, Erik [1 ,4 ]
机构：
[1] Inst Marine Res, N-5817 Bergen, Norway
[2] Univ Bergen, Dept Mol Biol, N-5020 Bergen, Norway
[3] Nofima AS, Proc Technol Dept, N-4068 Stavanger, Norway
[4] Norwegian Univ Life Sci, Dept Chem Biotechnol & Food Sci, N-1432 As, Norway
来源：
FISH PHYSIOLOGY AND BIOCHEMISTRY | 2013年 / 39卷 / 04期
关键词：
Animal welfare; Atlantic salmon; Carbon monoxide; Neuroglobin; Saccus vasculosus; Slaughter; NEUROGLOBIN; EXPRESSION; COLOR; FISH; TUNA;
D O I：
10.1007/s10695-012-9747-5
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The different stunning methods for Atlantic salmon can still be improved with regard to animal welfare. Salmon exposed to carbon monoxide expressed no aversive reactions towards CO as such. CO exposed fish showed an earlier onset of rigour mortis and a faster decrease in muscle pH due to depletion of oxygen during the treatment. Exposure to CO did increase the level of cortisol compared to undisturbed control fish, but the increase was less than in the water only control group. Neuroglobin, a CO binding globin, was found in salmon brain and Saccus vasculosus, a richly vascularized sac connected to the fish brain. Binding of CO to neuroglobin during sedation might possibly improve animal welfare.
引用
收藏
页码：871 / 879
页数：9
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