I personally would integrate that broody back to the flock asap so she can be the one who does it while she is all crazy like still, if that is possible... though I don't know about probably waiting until after treatment is complete so you don't have to treat everyone, unless you want to...
@Eggcessive @Wyorp Rock @casportpony Any of you have the proper dosage level?
Sorry you are having trouble. Do not add vitamins while treating woth Corid since it works by blocking thiamine to SLOW the growth of the coccidia.
Change out your shavings, make sure they are dry. Mine were wetter...