The title of the Carbon Monoxide method is labeled "CO2 Euthanasia", which is actually the chemical symbol for Carbon DIOXIDE, not Carbon MONOXIDE (CO), which is what the author meant. But the instructions do say Carbon Monoxide. Typo error in the title and the author should change that...
Yes I should've done that! Here's a few photos...two are of Pogo (my "yellow" Black Swedish) and the other is of Quackers (my other Black Swedish).
They are now 4 weeks old...they grow SO fast!
Even though this post was written 5 years ago I wanted to add my comment in case anyone in the future has this same question. I just hatched 9 ducklings out of 11 fertilized eggs that I bought from a very reputable local farm. Two of these eggs were Black Swedish. Well imagine my surprise when...