2001
DOI: 10.1111/j.1095-8649.2001.tb00133.x
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Body temperature and seawater adaptation in farmed Atlantic salmon and rainbow trout during prolonged chilling

Abstract: The core temperature of the rainbow trout Oncorhynchus mykiss (3·5 kg) dropped to 1·0° C during the first 6 h of chilling at 0·5° C, remained stable until 24 h, and dropped significantly to 0·7° C after 39 h. Blood plasma osmolality increased and muscle moisture content decreased gradually with increasing chilling time. After 39 h of chilling, the rainbow trout experienced 40 mosmol l‐1 higher blood plasma osmolality and 2·8% less muscle moisture content compared with initial values. In the Atlantic salmon Sal… Show more

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Cited by 11 publications
(8 citation statements)
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“…In such cases, it may be necessary to examine the effect of the process on changes in stress hormone secretion or heart function. For example, cooling fish rapidly (as occurs in 'live chilling') leads to elevated plasma cortisol levels (Donaldson, 1981;Skjervold et al, 2001), indicating that it may be stressful, and over time to a disturbance of plasma osmolarity (Rorvik et al, 2001). Rapid live chilling results in a marked decrease in the muscle pH, that indicates increased muscle activity, and could be a sign of aversive activity (Skjervold et al, 2001).…”
Section: Assessment Of Aversion To a Stunning Or Killing Methodsmentioning
confidence: 99%
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“…In such cases, it may be necessary to examine the effect of the process on changes in stress hormone secretion or heart function. For example, cooling fish rapidly (as occurs in 'live chilling') leads to elevated plasma cortisol levels (Donaldson, 1981;Skjervold et al, 2001), indicating that it may be stressful, and over time to a disturbance of plasma osmolarity (Rorvik et al, 2001). Rapid live chilling results in a marked decrease in the muscle pH, that indicates increased muscle activity, and could be a sign of aversive activity (Skjervold et al, 2001).…”
Section: Assessment Of Aversion To a Stunning Or Killing Methodsmentioning
confidence: 99%
“…For example, cooling fish rapidly (as occurs in 'live chilling') leads to elevated plasma cortisol levels (Donaldson, 1981;Skjervold et al, 2001), indicating that it may be stressful, and over time to a disturbance of plasma osmolarity (Rorvik et al, 2001). Rapid live chilling results in a marked decrease in the muscle pH, that indicates increased muscle activity, and could be a sign of aversive activity (Skjervold et al, 2001). Considering the methodology used in these studies it is difficult to separate between the effect of cooling and the effect of low dose CO 2 .…”
Section: Assessment Of Aversion To a Stunning Or Killing Methodsmentioning
confidence: 99%
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