THERMAL RESPONSES IN CIRRHINA MRIGALA FRY

THERMAL RESPONSES IN CIRRHINA MRIGALA FRY

A study has been made of rates of mortality in Cirrhina mrigala fry exposed to elevated water temperatures ranging from 30 to 39° C. The medium lethal temperature was found to be 37·8° C. Significant differences in thermal responses were observed between fry and fingerlings. A high rate of mortality...

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Veröffentlicht in:Current science (Bangalore) 1973-03, Vol.42 (6), p.192-194
Hauptverfasser: BALANI, M. C., VISWANATHAN, R.
Format: Artikel
Sprache:eng
Schlagworte:
Acclimatization
Carp
Fingerlings
Fish
Life tables
Mortality
Observational research
Thermal shock
Thermal stress
Water temperature
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Zusammenfassung:A study has been made of rates of mortality in Cirrhina mrigala fry exposed to elevated water temperatures ranging from 30 to 39° C. The medium lethal temperature was found to be 37·8° C. Significant differences in thermal responses were observed between fry and fingerlings. A high rate of mortality was observed when fry were returned to non-lethal temperatures after being exposed to thermal shock at 38·0° C and 39·2° C.
ISSN:0011-3891