Vliv původu a podmínek chovu lososovitých ryb na jejich nutriční hodnotu

The objective of this thesis is judging the influence of selected factors on nutrient value and exterior indicators of salmonids. These factors are enviroment, rearing con-ditions, nourishment and origin of fish. The context between factors and nutrient value was evaluated by literary sources. Practical part is based on data from feeding test. The feeding test was realised in farm Bušanovice on Autumn 2017. Three diferent feeds were fed to six groups of fish. Experimental feed with mineral component named Klinolipolit and two improted commercially produced feeds. I participated on the chemical analysis of the fish samples. The differences betwe-en groups of fish fed with different feeds was evalueted by results from chemical ana-lysis and data from weight and lenght measurement