World Distribution of Brown Trout, Salmo trutta: Further Observations

1970 ◽  
Vol 27 (4) ◽  
pp. 811-818 ◽  
Author(s):  
Hugh R. MacCrimmon ◽  
T. Larry Marshall ◽  
Barra L. Gots

This note supplements the original paper by MacCrimmon and Marshall (J. Fish. Res. Bd. Canada 25: 2527–2548, 1968) in presenting modified and more complete information on the native range, attempted introductions, and present world distribution of the brown trout.

1968 ◽  
Vol 25 (12) ◽  
pp. 2527-2548 ◽  
Author(s):  
Hugh R. MacCrimmon ◽  
T. L. Marshall

During the past century the Eurasian and North African range of the brown trout, Salmo trutta L., has been extended to include discontinuous populations on all continents except Antarctica. Primary factors affecting the establishment of naturalized populations are water temperature, precipitation, and suitable spawning grounds. Any future major expansion in the world distribution of the brown trout, with the possible exception of Asia, is unlikely.


2011 ◽  
Vol 14 (3) ◽  
pp. 443-448 ◽  
Author(s):  
N. Kurhalyuk ◽  
H. Tkachenko ◽  
K. Pałczyńska

Resistance of erythrocytes from Brown trout (Salmo trutta m. trutta L.) affected by ulcerative dermal necrosis syndrome In the present work we evaluated the effect of ulcerative dermal necrosis (UDN) syndrome on resistance of erythrocytes to haemolytic agents and lipid peroxidation level in the blood from brown trout (Salmo trutta m. trutta L.). Results showed that lipid peroxidation increased in erythrocytes, as evidenced by high thiobarbituric acid reactive substance (TBARS) levels. Compared to control group, the resistance of erythrocytes to haemolytic agents was significantly lower in UDN-positive fish. Besides, UDN increased the percent of hemolysated erythrocytes subjected to the hydrochloric acid, urea and hydrogen peroxide. Results showed that UDN led to an oxidative stress in erythrocytes able to induce enhanced lipid peroxidation level, as suggested by TBARS level and decrease of erythrocytes resistance to haemolytic agents.


2021 ◽  
Vol 29 ◽  
pp. 100675
Author(s):  
Muhammed Atamanalp ◽  
Arzu Ucar ◽  
Esat Mahmut Kocaman ◽  
Gonca Alak

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