Hi everyone! I started out with 25 runner ducks that I raised on organic feed from ducklings, they all seemed to be doing great. They are about 4 1/2 months old now and I am having a devestating time just keeping them alive and can't find info on a situation like mine anywhere online. The ducks are literally dying off one at a time, every other day, or every few days. They will start off seeming a little wobbly on their feet, and within the day will be having seizures and usually die that night/the next morning. I have never had more than one duck die or show symptoms at the same time, which makes it hard for me to believe it is a disease. They have an enclosed acre or so that they range in with a pond, and they are fed grower pellets as well when they come in for the night. Does anyone have any idea what might be causing this? I would like to save a few of these ducks but can't find any answers, I am down to 15 in just a few weeks of this phenomena occuring and it is killing us to go out to dead and dying ducks all the time. As it is I have lost all of my drakes already and won't be able to hatch any new ones out if I eventually get this under control. Please help! Thanks so much.