Lethargic and gray smelling liquid from crop

[Chick14]

My chicken has been lethargic and tonight I picked her up and started massaging her crop. She started puking up gray smelly water. I am thinking sour crop.

 

[Wyorp Rock]

My chicken has been lethargic and tonight I picked her up and started massaging her crop. She started puking up gray smelly water. I am thinking sour crop.

It does sound like Sour Crop. I'd treat with Miconazole or Clotrimazole. Instructions on how to treat crop issues are in the article linked below.

https://www.backyardchickens.com/ar...w-to-know-which-one-youre-dealing-with.73607/