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Bibliography of the Maurice Lamontagne Institute


GUDERLEY, H., J.-D. DUTIL, D. PELLETIER, 1996. The physiological status of Atlantic cod, Gadus morhua, in the wild and the laboratory : estimates of growth rates under field conditions. Can. J. Fish. Aquat. Sci., 53: 550-557 .

The physiological status of Atlantic cod, Gadus morhua, starved or fed at high rations were compared with those of cod sampled in late spring and early fall in the Gulf of St. Lawrence. The white muscle of starved cod had lower lactate dehydrogenase activity, buffering capacity, and sarcoplasmic, myofibrillar, and total protein levels than did that of fed cod. Intestinal cytochrome C oxidase activity was also lower in starved than fed cod. Wild October cod had higher condition factors, hepatosomatic indices, white muscle lactate dehydrogenase activities, sarcoplasmic protein concentrations, and buffering capacities than June cod. The gonadosomatic index and myofibrillar protein concentrations were higher in June than October cod. The intestinal cytochrome C oxidase activity did not differ between cod captured in June and those captured in October. The growth rates predicted for the experimental cod from the established relationship between growth rate and white muscle lactate dehydrogenase activity agreed well with their actual rates. Estimations of growth rates of the wild cod suggests that in June the cod were losing mass, whereas in early October they were growing as quickly as the fed cod.

PELLETIER, D., P.U. BLIER, Y. LAMBERT, J.-D. DUTIL, 1995. Deviation from the general relationship between RNA concentration and growth rate in fish. J. Fish. Biol, 47: 920-922 .

PELLETIER, D., H. GUDERLEY, J.-D. DUTIL, 1993. Does the aerobic capacity of fish muscle change with growth rates?. Fish. Physiol. Biochem., 12: 83-93 .