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Table 1.

Treatments and physical characteristics of brown trout used in the present study

NSeasonAcclimation temperature (°C)Total length (mm)Mass (g)Gonadosomatic index (% body mass)Condition factor
12 Winter 344.40±4.31 481.7±11.01 0.42±0.09* 1.70±0.12 
12  15 352.02±5.02 510.2±29.64 0.50±0.11 1.66±0.07 
12 Summer 355.54±5.52 494.0±14.33 0.44±0.08 1.60±0.05 
12  15 343.13±6.03 482.6±9.60 0.63±0.05* 1.55±0.06 
NSeasonAcclimation temperature (°C)Total length (mm)Mass (g)Gonadosomatic index (% body mass)Condition factor
12 Winter 344.40±4.31 481.7±11.01 0.42±0.09* 1.70±0.12 
12  15 352.02±5.02 510.2±29.64 0.50±0.11 1.66±0.07 
12 Summer 355.54±5.52 494.0±14.33 0.44±0.08 1.60±0.05 
12  15 343.13±6.03 482.6±9.60 0.63±0.05* 1.55±0.06 

Gonadosomatic index=100×[total gonad mass (g)]/[body mass (g)]%.

Condition factor=100 000×[body mass (g)/[fork length(mm)]3.

*

Significant difference between groups maintained at seasonal temperatures(P<0.05; N=12).

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