Please help! Why did yellow liquid come out of my duck’s vent while she was laying?

[Drowsy_808]

 

[Drowsy_808]

Is this normal? What could cause this?

A good amount of yellow liquid came out while she was laying. The liquid smelled
and looked like pee. There wasn't anything sticky in it and she's acting fine
though.

Her poop is usually dark brown because of her main feed and it's often dry. It's
been months since any yellow-ish liquid has come out of her vent. This is the first
time yellow, clear liquid has come out of her vent like this, so it's very worrying.
They say it could be a sign of liver disease.

She usually eats manna pro duck feed pellets along with tomatoes and eggs as
snacks. She's a year and few months old. She's currently sick with an infection,
lacks sunlight, and is in need of some additional vitamins so she isn't at her best
right now. We're bringing her to the vet again in a few days and she'll be getting
the lamp she needs soon. We're giving her the vitamins she needs right now.

She isn't very active or energetic, but she's pretty awake most of the time. She's
playful and enjoys making a mess. She eats well when it's her favorites, but she
can be picky and choose not to eat her main feed. She's always quick to eat her
snacks though. She drinks a lot.