My duck isnt re-growing her adult feathers

[soupsi]

My Female Cayuga Duck is about a year old and has what i thought initially was molting but its been over 2-3 months and she hasnt regrown her adult plumage back. She also has what looks to be wet feather on her back between her wings and neck area. Vet's say she's all good after a bunch of tests. no sign of bumble foot. she is with a male but nothing dramatic and is under control (they're very calm together) and she is also laying eggs daily. she has brewers yeast mixed into her food with free range to a whole back yard and pool. please help me! should i be worried???

 

[cheezenkwackers]

My Female Cayuga Duck is about a year old and has what i thought initially was molting but its been over 2-3 months and she hasnt regrown her adult plumage back. She also has what looks to be wet feather on her back between her wings and neck area. Vet's say she's all good after a bunch of tests. no sign of bumble foot. she is with a male but nothing dramatic and is under control (they're very calm together) and she is also laying eggs daily. she has brewers yeast mixed into her food with free range to a whole back yard and pool. please help me! should i be worried???

Photos would help.

 

[CHlCKEN]

What are you feeding? Could be a protein deficiency.

It sounds to me like over-mating is a possibility here, though. If so, that could leave her remaining feathers too damaged to repel water. It would also explain the missing feathers. An over-mated bird is a stressed one, and a stressed bird is one who feather-picks. Is she alone with the male, or are there other hens?

 

[Jenbirdee]

Ditto what @Chicken said
And recommendation of at least 4 females for each male.
& yes tell us what she eats, she may need more protein.
You can also try giving her poultry vitamins - 2 good ones are “nutridrench” and “rooster booster poultry cell”