Live vaccines

• Usually applied by mass vaccination (e.g., coarse spray or drinking water)
• Usually inexpensive
• Induce local as well as systemic immunity
• Cause some vaccination reaction that is observed for a few days after application

IB Vaccines

• Live and inactivated vaccines to protect chickens against IB infection.

Live vaccine strains

Massachusetts strains

• Ma5 vaccine
  
  A mild vaccine that can be used as a single component. It can also be included in first vaccination in programs with IB 4/91 vaccines and inactivated vaccines for broad protection against different IBV serotypes.

Variant strains

• IB 4/91 vaccine
  
  Contains a strain of the 4/91serotype for specific protection against that IBV type. Combined with Ma5 and IB multi vaccines, broad protection is provided.
• IB Primo QX vaccine in Sphereon format
  
  The new vaccine has been developed to protect Breeders, Layers and Broilers from the IB QX strain and can be given from day-old onwards.
  
  Compatible with Nobilis^® IB Ma5 to complete the protectotype family – mix with Nobilis^® IB Ma5 before oculonasal or spray administration. (Simultaneous use with Nobilis^® IB Ma5).

Read why vaccines can protect against different IB serotypes – Serotypes and Protectotypes.