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Discussion in 'Ducks' started by watchdogps, Sep 17, 2011.
We have four runner/muscovy crosses. They are a month old. When will we be able to tell sex and how?
Wow, I have no idea on a cross like that. If they are truly muscovy/runner crosses, though, they will most likely be sterile (i.e., they will lay eggs, but they won't be viable for hatching).
In Runner ducklings, you can tell between four and six weeks by the sound of their voices. Males will continue to peep for a while, while females will develop a deep ducky quack. The males will eventually develop a raspy, quieter version of the quack.
In Muscovies, you can tell by size difference and caruncling, though I'm not sure on age for that.
In a cross..... ??? I don't know. I don't think there are many folks on here who raise muscovy/mallard-derivative ducks, either, so I don't know who will be able to tell you. But I hope you'll pay attention and let us know what you learn. And maybe someone will be able to tell you. Good luck!