Silver Appleyard Duckling Coloration

[gatrapper]

Hey Y'all,

I hatched out 5 silver appleyard duckings this week. 4 of the 5 have the typical black marking on their head and tails. One is completely yellow without any markings. Is this normal? What could have caused this?

 

[Isaac 0]

Could you post a picture?

 

[gatrapper]

Here’s a picture.

 

[Isaac 0]

I believe SA have white phases as well as dark phase types as well.

@Pyxis Might know for sure.

 

[Pyxis]

Silver appleyards can be carrying white. David Holderread had this to say on the topic:

"Due to the Silver Appleyard's genotype, it is common for them to produce some solid white offspring. The White Appleyard has identical physical and productive qualities as the Silver and is useful when a pure white duck is desired."

It means that both parents of the duckling are carrying the white gene.

 

[gatrapper]

Thank you for your help! @Pyxis and @MasterOfClucker