For the vaccination of 18-day-old chicken embryos by in ovo administration and of healthy 1-day-old chickens by subcutaneous route as an aid in the prevention of Marek’s disease (MD) and infectious laryngotracheitis (ILT).

For vaccination of 18-day-old embryos to aid in the prevention of infectious laryngotracheitis (ILT) and very virulent Marek’s disease (MD).

For the vaccination of 18-day embryonated eggs to aid in the prevention of very virulent Marek’s disease (MD) and Newcastle disease (ND).

For vaccination of healthy chickens 1 day of age by subcutaneous injection or 18 day embryonated eggs by the in ovo route to aid in the prevention of very virulent Marek’s disease.

For the vaccination of healthy chickens 1 day of age by subcutaneous injection or to 18-day-old embryonated eggs via in ovo to aid in the prevention of very virulent Marek’s disease.