sexing ducks

Does anyone know which hatcheries sex Muscovy? Strombergs does, but they are sold out.

Hi everyone, I wanted to post in this forum because it's become my bible as during isolation from COVID-19 I decided to hatch my own Welsh Harlequin eggs, and previously knew nothing about raising or hatching ducks. (I was always planning on getting ducks, isolation just seemed like the perfect...

So, I have a 6 week old Peking duck. When it was about 3 weeks or 4 weeks, she started having isolated quacks that were increasing as the day went by. This was much earlier than my previous ladies. But then she went back to baby tweets entirely, and as of a few days ago she sounds like a raspy...