NON-VIRULENT MYCOPLASMA SYNOVIAE AND VACCINE THEREOF

摘要

The present invention provides NAD-independent Mycoplasma synoviae of strain MS1 . The invention also refers to microbiological cultures comprising Mycoplasma syno viae of this strain. Next to this, the invention refers to live vaccines derived from th ese strains, for the protection of poultry against Mycoplasma synoviae infection. Furthermore, th e invention provides methods for the preparation of such vaccines. Also, the use o f NAD-independent Mycoplasma synoviae strains for the preparation of live vaccines for the protection of poultry against Mycoplasma synoviae infection is disclosed.