X2. Dosing margin's are very wide for a reason. The nature of this medication and how it acts to control cocci protozoa growth would make it very hard to kill a bird with it. When a bird/birds die when being given Corid it's far more likely that the coccidiosis was already to far advanced for...
The active ingredient in Corid, amprolium, works by mimicking vitamin B, thereby starving the protozoa. It does not kill the cocci protozoa in the same way that antibiotic's kill bacteria. So if you also flood the bird with added vitamin B besides what it gets from it's normal feed at the same...
The liquid Corid is mixed at 2 teaspoons per gallon. Since Corid works by starving the cocci protozoa of thiamin it's best not to give added vitamins until after the course of treatment. But sick birds often will not drink enough on their own so get an eye dropper or a needless syringe and...