Thankyou for that. I will definitely get some if we do hatch again. This poor little soul passed in the night. My husband was very upset as he'd been nursing him and really connected with it. I hadn't been able to get onto the computer to read your message, otherwise I would have tried to get hold of some, but I'm not sure it would have helped. We did try vegemite and water at someone else's suggestion. But it wasn't to be. All the other ducklings were huddling around him when we put them to bed. My husband thought they may have smothered him, but I like to think they were trying to protect him and keep him warm. They had a heat pad as well. He was found half under it this morning by my husband. It was a tough morning. But all the others are doing well and thriving so we have to look at the positives. Thank you for your advice. And I'll definitely get some for next time.