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Table 1.

Comparison between gut motility of zebrafish larvae at 4 and 7 d.p.f. with regard to frequency of anterograde contraction waves, interval between contractions, distance travelled and velocity

Frequency (cycles min-1)Interval (s)Distance (μm)Velocity (μm s-1)
4 d.p.f. 1.16±0.15 (14) 54.8±7.9 (14) 591.0±43.8 (14) 49.5±5.5 (12) 
7 d.p.f. 1.05±0.09 (13) 56.9±4.4 (13) 719.9±33.2* (13) 27.8±3.6* (13) 
Frequency (cycles min-1)Interval (s)Distance (μm)Velocity (μm s-1)
4 d.p.f. 1.16±0.15 (14) 54.8±7.9 (14) 591.0±43.8 (14) 49.5±5.5 (12) 
7 d.p.f. 1.05±0.09 (13) 56.9±4.4 (13) 719.9±33.2* (13) 27.8±3.6* (13) 

d.p.f., days post fertilisation.

Values are means ± s.e.m. (number of animals in parentheses);*P<0.05 compared with 4 d.p.f.

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