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Juvenile European pikeperch, Sander lucioperca, were fed commercial feed (group C) or experimental feed supplemented with NuPro® nucleotide‐rich Saccharomyces cerevisiae yeast protein (extract obtained through a cell wall removal process) in doses of 20, 40 or 60 g kg−1 feed (groups N2, N4, N6) for 8 weeks. Growth, non‐specific immunity parameters, histological structure of the liver and intestine,...
The aim of the experiment was to determine the effect sorting had on the effectiveness of rearing juvenile pikeperch in recirculation systems. The fish were reared in three groups - small specimens (group S - average body weight (BW) 28.5 g), large specimens (group L - BW 49.6 g), and unsorted specimens (group U - BW 38.8 g). After eight weeks of rearing, the average specific growth rate (SGR) for...
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