Since you originally stated that you're dealing with blackhead, treat for that first. Then worm your birds. A small "pea" size amount of the oxibendazole for your bantams will work.Should I treat them all with the metronidazole too? Also, what is the paste dewormer rate for bantams?
Are you sure that you're birds even have blackhead, and the one that died most likely died due to worms?
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