Abstract

The nutritional composition and amino acid profile ofMoina macrocopawere studied using different types of yeast (Saccharomyces cerevisiaeandRhodotorula glutinis) as fodder substrates. The effective accumulation of carotenoids inMoina macrocopaduringR. glutinisyeast application was not accompanied by deterioration in the nutritional value of zooplankton. The content of total proteins and total lipids inMoinagrown onS. cerevisiaeandR. glutiniswas not significantly different. However, the use ofR. glutinisin the cultivation ofM. macrocopaled to the change in the ratio of proteinogenic amino acids in the studied cladocerans. In particular, the share of methionine, leucine and isoleucine significantly increased. It allowed to enhance the quality of protein in the fodder zooplankton, that is especially important in the feeding of fish fry.

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