Need advice on humanely euthanizing rat pups.

[West Coast Jungle]

I CO2 everything I prekill. Animals just fall asleep that way. Even if they must remain in the CO2 chamber longer I cannot imagine them suffering more than freezing to death IMO

[West Coast Jungle]

I CO2 everything I prekill. Animals just fall asleep that way. Even if they must remain in the CO2 chamber longer I cannot imagine them suffering more than freezing to death IMO

I did that last post from my phone, I dont know why it has an angry face? and I can't edit it?