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The present study aimed to determine the dietary lysine requirement for tambaqui (Colossoma macropomum) juveniles, based on growth performance, whole‐body composition, haematological parameters and plasma metabolites. For that purpose, an 81‐day feeding trial was conducted with 150 tambaquis distributed in 15 aquariums (300 L) in a completely randomized design, with five treatments and three replicates...
This study aimed to evaluate the performance of Pyrrhulina larvae, Pyrrhulina brevis, under different photoperiods and feeding frequencies. A completely randomized design was used, with four replicates in a 5 × 2 factorial, with five photoperiods (6L:18D, 12L:12D, 16L:8D, 20L:4D, 24L:0D) and two feeding frequencies (two or four times a day). Four hundred larvae with an initial length of 4.6 ± 0.09 mm...
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