You can not always see worms in their poop. My understanding if you do, than its really bad. Their feathers can look fine even having these bugs. You should treat them anyway. Rule it out.
Its great that you can send your bird of for necropsy. Let us know how the results turn out.
Have the birds been vaccinated against Merck's disease as a chicks?
Its great that you can send your bird of for necropsy. Let us know how the results turn out.
Have the birds been vaccinated against Merck's disease as a chicks?