THE EFFECTS OF SOME FODDER BIOADDITIVES ON THE PRODUCTION PERFORMANCES OF BROOK TROUT (SALVELINUS FONTINALIS M.)
2013
A. Barbu | A. Şara | M. Benţea | Ani Alina
The aim of this study was to follow the effects of Bio-Mos, NuPro and Sel-Plex on the production indices (the average body weight, SR, GR, FCR, total biomass and the survival percentage) of brook trout. The experiment was carried out during 21.August – 04.December 2008 at the trout farm ICAS Gilau, situated in Cluj County. Four batches were implied: a Control batch and three experimental batches (Bio-Mos 0.2 %, NuPro 2 % and Sel-Plex 0.03 %) each of them consisting of 250 brook trout juveniles. The experiment took place in four concrete tanks which offered the same rearing conditions (the same water quality, rearing density, feeding hours, food quantity). The experimental batches received 0.2 % Bio-Mos, 0.03% Sel-Plex and 2% NuPro, and at the end fish reached an average weight of 104.25 g/specimen and a survival rate of 91.6% for Bio-Mos batch, 93.55 g/specimen and a survival rate of 94.4% for Sel-Plex batch and 94.1 g/specimen and a survival rate of 89.2% for the NuPro batch comparatively to the Control batch where an average weight of 93.5 g/specimen and a survival rate of 86.8% were registered.
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