Just recently my oldest chicken hen was not emptying her crop over night and wasn’t feeling well. I started giving her a stool softener( 3 days) until she made full recovery . The stool softener hasn’t a laxative In it. Not sure if this would work for a duck but might be something to try? [USER=437550]@Isaac 0[what do you think? This is where I got the info. https://www.backyardchickens.com/ar...ntion-and-treatments-of-crop-disorders.67194/