Til passiv immunisering af slagtekyllinger gennem aktiv immunisering af kommende æglæggere (broiler breeders) for at reducere infektion med Ornithobacterium rhinotracheale serotype A, når denne er involveret.
For passive immunisation of broilers induced by active immunisation of female broiler breeders to reduce infection with Ornithobacterium rhinotracheale serotype A when this agent is involved.