Coccivac-D2 is a live oocyst coccidiosis vaccine prepared from anticoccidial drug sensitive strains of six Eimeria species, formulated for breeder pullets and commercial layers. It gives replacement flocks broad, natural immunity to coccidiosis before they reach the laying house.Key Uses Active immunization against coccidiosis caused by E. acervulina, E. brunetti, E. maxima, E. mivati, E. necatrix, and E. tenella Formulated for parent stock and commercial pullets raised on litter or in cages Can be used in rotation with anticoccidial drugs to help restore coccidiostat sensitivity Produced using SPF birds for added biosecurity Given by hatchery spray at day of age or by feed spray around 4 days of age Administration NotesVaccinate only healthy chickens and avoid medicated water or disinfectants around the time of vaccination, since birds need droppings contact to reinfect and build immunity. Merck's label lists a 21 day pre-slaughter interval, but always confirm current withdrawal guidance with your veterinarian.
