European Union - English - EMA (European Medicines Agency)

intervet international bv - inactivated whole cell suspension of ornithobacterium rhinotracheale serotype a, strain b3263/91 - immunologicals for aves - chicken - 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. under field conditions passive immunity is transferred during lay for 43 weeks after the last vaccination of broiler breeders, resulting in a duration of passive immunity in broilers of at least 14 days after hatching.,