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RELATIONSHIP BETWEEN PARAMETERS OF “LIFE SPACE” AND GROWTH OF RAINBOW TROUT
Journal: Fisheries Science of Ukraine (Vol.13, No. 3)Publication Date: 2010-09-25
Authors : V. Podoprigora;
Page : 80-85
Keywords : “life space” volume; fish growth; temperature; mortality; rainbow trout; stress factors;
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Abstract
The main goal of the experiment was to discover the dependence of fish growth from the “life space” volume. The experiment was conducted at the temperature of 23?24 C in five equal series of aquariums (five aquariums of various volume in each group). Body mass and mortality of hatchlings were recorded. Parameters of “life space” were found to significantly affect growth of rainbow trout. Placed in optimal water volume, trout hatchlings better survive under the influence of other stress factors. The more the “life space” volume deviates from the optimum, the more stress is manifested, and vice versa.
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