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Table 2 Electrical stunning of rainbow trout: electrical parameters and stunning success in the laboratory study

From: Is humane slaughtering of rainbow trout achieved in conventional production chains in Germany? Results of a pilot field and laboratory study

Electric currentVoltage [V]Frequency
[Hz]
Stun Duration [s]Position of electrodesCurrent density
[A dm−2]
Stunning success
[n VOR/n total number of fish]
AC505030head/ tail0.13 ± 0.0022/14
505030top/bottom0.09 ± 0.0010/10
505030lateral0.23 ± 0.0030/10
505060head/ tail0.14 ± 0.0030/14
505060top/ bottom0.09 ± 0.0010/10
505060lateral0,24 ± 0.0070/10
5010030head/ tail0.14 ± 0.0050/10
5010030top/bottom0.10 ± 0.0010/10
5010030lateral0.23 ± 0.0030/10
5010060head/ tail0.14 ± 0.0030/10
5010060top/ bottom0.09 ± 0.0010/10
5010060lateral0,24 ± 0.0070/10
50100030head/ tail0.14 ± 0.0040/10
50100030top/bottom0.10 ± 0.0011/10
50100030lateral0.24 ± 0.0050/10
50100060head/ tail0.13 ± 0.0030/11
50100060top/ bottom0.10 ± 0.0021/10
50100060lateral0,25 ± 0.0040/10
DC50n.a.30head/ tail0.09 ± 0.0081/16
50n.a.30top/ bottom0.07 ± 0.0031/10
50n.a.30lateral0.18 ± 0.0051/11
50n.a.60head/tail0.11 ± 0.000/13
50n.a.30top/bottom0.07 ± 0.000/10
50n.a.60lateral0.18 ± 0.000/10
  1. Conductivity of the water: 600 μS/cm; voltage: 50 V, given are mean ± standard deviation
  2. AC alternating current, DC direct current; position of electrode: plate electrodes positioned at head and tail, top and bottom; lateral: at lateral sides of stunned rainbow trout