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Figure 3
Swim tunnel training prevented weight gain in zebrafish only moderately. (A): phase 1 training did not alter zebrafish body weight. Control: N = 12 fish; Training: N = 10 fish. Two-tailed unpaired t-test. (B): phase 2 training hardly prevented weight gain in normalfed and overfed zebrafish, respectively. Body weight increased after 4 weeks significantly in the OF-control group (p = 0.0461). After 8 weeks, body weight was increased in both the NF and OF-control group (p = 0.0090 and 0.0006, respectively) and in the training groups (p = 0.0161 and 0.0021, respectively). N = 6 fish per group. One-way ANOVA test or Kruskal-Wallis test. NF: normal feeding; OF: overfeeding. * p < 0.05, ** p < 0.01, *** p < 0.001.