Pathological changes induced byPomphorhynchus laevis Muller (Acanthocephala) in the gut of rainbow trout,Salmo gairdneri Richardson

1986 ◽  
Vol 72 (1) ◽  
pp. 105-114 ◽  
Author(s):  
S. T. Wanstall ◽  
P. W. J. Robotham ◽  
J. S. Thomas

1974 ◽  
Vol 31 (12) ◽  
pp. 1893-1898 ◽  
Author(s):  
Charlie E. Smith ◽  
Myron Brin ◽  
John E. Halver

Rainbow trout (Salmo gairdneri) fed a pyridoxine-deficient diet developed clinical signs of the deficiency after 8 wk of feeding. Erythrocyte and muscle glutamic pyruvic transaminase (GPT) concentrations were significantly depressed in deficient fish, while liver GPT was significantly elevated. Liver GPT was also elevated in starved trout suggesting the increase in enzyme concentrations was secondary to the deficiency. A normocyte, normochromic anemia, which responded favorably to pyridoxine, developed in pyridoxine-deficient trout. Microscopic lesions were found in gastrointestinal tract, kidney, liver, pancreas, and thymus of deficient fish.







1971 ◽  
Vol 28 (11) ◽  
pp. 1801-1804 ◽  
Author(s):  
R. W. McCauley ◽  
W. L. Pond

Preferred temperatures of underyearling rainbow trout (Salmo gairdneri) were determined in both vertical and horizontal temperature gradients. No statistically significant difference was found between the preferred temperatures by the two different methods. This suggests that the nature of the gradient plays a lesser role than generally believed in laboratory investigations of temperature preference.



1979 ◽  
Vol 20 (1) ◽  
pp. 25-37 ◽  
Author(s):  
Torill Bergsjø ◽  
Inger Nafstad ◽  
Kristian Ingebrigtsen


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