Thanks for the suggestions, reading up on bumble foot. I brought him in for a good swim in the warm bath tub today, he was a bit unsure at first but settled in and started enjoying himself.
I have a male pekin duck just under 1 year old who seemed to develop a swollen foot and he's not getting any better. He is eating blue seal layer pellets and for the last week and a half (since I noticed the bad foot) I have been supplementing him Niacin but he seems to be getting worse and not...