Breeding ducks

[Carleejade]

****Correct me if I am wrong:
I was told that Muscovys can mate with other breeds; however, their eggs will not be fertile?
True or False?

Are there other breeds that are this way???

I have an (approx 2 yr old) female Cayuga and her eggs have all not been fertile? She is in with other mixed breed females (all diff ages) and two (year old) males, a Pekin & Rouen.

 

[JacinLarkwell]

Muscovy and mallard descendants can mate and produce viable embryos, but those Mules cannot mate

 

[Reecehonour2021]

Hi there I have a Muscovy drake and 3 females one lavender and white and 2 chocolate will all the ducklings be black and white or will other colours come through?