It could be a respiratory disease mycoplasma (MG.) You may want to try antibiotics such as Tylan 50 injectable from feed stores. Dosage is 0.2 ml per pound given orally or by injection into the breast muscle, twice a day for 5 days.
I would also clean the eyes with saline and wiping out the gunk or crusts. Then apply some Terramycin eye ointment twice a day.
MG is a chronic disease that can comb back when they are stressed, such as during cold weather or during molt. All chickens in the flock should be considered carriers if this is MG.
I would also clean the eyes with saline and wiping out the gunk or crusts. Then apply some Terramycin eye ointment twice a day.
MG is a chronic disease that can comb back when they are stressed, such as during cold weather or during molt. All chickens in the flock should be considered carriers if this is MG.