Skip to Main Content
Table 3.

Comparison between gut motility of zebrafish larvae before and after addition of tetrodotoxin or NaCl, at 4 days post fertilization with regard to frequency of retrograde 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.     
    C 2.58±0.35 (4) 17.7±1.6 (4) 300.6±39.1 (4) 17.6±2.9 (4) 
    TTX 0.52±0.18* (4) 24.2±4.7 (4) 248.4±34.0 (4) 15.9±3.7 (4) 
    C 1.01±0.40 (4) 34.1±6.2 (4) 246.3±29.0 (4) 50.0±27.2 (2) 
    NaCl 0.25±0.25 (4) ND ND ND 
Frequency (cycles min-1)Interval (s)Distance (μm)Velocity (μm s-1)
4 d.p.f.     
    C 2.58±0.35 (4) 17.7±1.6 (4) 300.6±39.1 (4) 17.6±2.9 (4) 
    TTX 0.52±0.18* (4) 24.2±4.7 (4) 248.4±34.0 (4) 15.9±3.7 (4) 
    C 1.01±0.40 (4) 34.1±6.2 (4) 246.3±29.0 (4) 50.0±27.2 (2) 
    NaCl 0.25±0.25 (4) ND ND ND 

d.p.f., days post fertilisation; C, control (before addition of substances); TTX, tetrodotoxin.

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

Close Modal

or Create an Account

Close Modal
Close Modal