Agree with you on their last point. I'm not going to go through the trouble of separating them and scaring all of them badly just to figure out whose laying the eggs. I emailed Metzer's and I'll see what they say.
My Runner is a Blue Runner.
And with the Swedish/Rouen cross, I have 2 adult females and 1 young duck. The 2 adults lay white, so I'm assuming the younger one would lay white as well.
It must be that way. I found a 3rd green egg somewhere else today as well. Do you have any idea what breed would produce it? Here are my duck breeds that I have females of.
Swedish/Rouen cross
Pekin
Runner
Khaki Campbell
Buff
Here's my problem. I have 1 19 week old EE/RIR cross that just started laying green eggs. She has given me one a day. Until today. I found 2 green eggs today at the normal spot. It couldn't be a chicken because my only other chicken that could lay green eggs is only 13 weeks old. Could a duck...