Hope the Duramycin works better for you than it did for me. My Roo has been doing just what you describe, and the other 4 runny noses coughing etc. Yesterday was day 10 of Duramycin, 3 teaspoons to a gallon, fresh morning and early evening. Baby vitamins perked him up a bit, everyone else is normal energy and appetite, but no real change in symptoms. I got the Tylan injectible yesterday (Jeffers Livestock around $9, shipping $5 if order under $50,) going to try to build them back up with the probio's vitamins and such for 3 days, then use the Tylan.
Good Luck!
Good Luck!