Table 4.
Stunning/killing methods and indicators of consciousness used for the minor slaughtered fish species in the surveyed fish-slaughter facilities.
Stunning/killing methods | Indicators of unconsciousness | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Thermal shock | Electric water bath | Percussion | Asphyxia in air | Electric dry system | Breathing | Eye movements | Coord. movements | Response to stimuli | Righting ability | |
Meager (n = 4) | 3 | - | - | - | - | 1 | 1 | 1 | - | - |
Trout perch (n = 3) | 3 | - | - | - | - | 3 | 3 | 2 | 3 | 3 |
Hybrid strip. Bass (n = 3) | 3 | - | - | - | - | 3 | 3 | 2 | 3 | 3 |
Royal perch (n = 2) | 2 | 1 | - | - | - | 2 | 1 | 1 | 1 | 1 |
Gray mullet (n = 2) | 1 | - | - | 1 | - | - | - | 1 | - | - |
Catfish (n = 2) | 2 | - | - | - | - | 2 | 2 | 1 | 2 | 2 |
Lavaret (n = 1) | - | - | 1 | - | - | 1 | 1 | 1 | - | 1 |
Danube salmon (n = 1) | - | - | 1 | - | - | 1 | 1 | 1 | - | 1 |
Pikeperch (n = 1) | 1 | 1 | - | - | - | 1 | - | - | - | - |
Tench (n = 1) | - | 1 | - | - | - | - | - | 1 | 1 | - |
Greater amb (n = 1) | 1 | - | - | - | - | - | - | - | - | - |
Sargo (n = 1) | 1 | - | - | - | - | - | - | 1 | - | - |
Turbot (n = 1) | 1 | - | - | - | - | 1 | - | 1 | 1 | - |