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)
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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.