Hello out there!
I am a fish lover. I eat a lot of it.
I have been obsessed by images of killing thuna: Those big ocean beauties!
And have been wondering since years whether there isn’t a more humane way of ending their wordly journey?
Their gills make their circulatory system easily attainable to gaz solutions in water.
Probably even a weak CO2 solution in salty water could put them asleep???
Carbonarcosis in humans is a well known entity. This could be the result here, in fish.
Remains to see how tastes fish flesh after such treatment.
Well, advocates of fast killing are proposing aggressive measures because of lactic acidosis avoidance.
If so, chemists might propose other components, which would put fish asleep before killing them.