So, apparently my whole flock has Coccidiosis as many diseases become "if one gets it, they all get it". I've noticed a drop in egg production, but I am pretty sure they had it awhile. Only one or two is symptomatic really. I have a mixed flock of birds, peafowl, turkeys, guineas, chickens, ducks and geese, sometimes I have birds of prey or chukar or other kinds of birds. I read the best treatment is Corid, but that they can get a Vitamin B deficiency. I heard the Corid works by starving out the coccidia of Vitamin B and a shot is recommended of Vitamin B. Is oral Vitamin B (Like the liquid kind from Rooster Booster) the same, or will that react differently? I have a lot of birds and catching them all for 5 days straight isn't that easy and giving them a shot will be kind of costly. So what's the best way to go about this?