Has anyone used the Cocci vaccination?

[s6bee]

Well, I wish I knew about the vaccine and NOT feeding medicated chick feed before. I did give them the medicated feed and they were vaccinated at the hatchery. So that is a def. no, no? Shoot!
Well, now what?

Stephanie

 

[CarriBrown]

Wait a minute... There is a cocci vaccination???? I've lost 4 or 5 birds to that AND I've spend $100s on floats and vet visits.
Where do I get it, what is is called, and can I vaccinate my adult birds?