Vaccines comprising attenuated Mycoplasma bovis strains and method for the attenuation

摘要

The present invention relates to a newly attenuated mycoplasma vivo bacterial strain strained over 110 times. Furthermore, the present invention also relates to the use of said attenuated M. Immunogenic compositions comprising any live bacteria among the bovis bacterial strains, their preparation and M. For the treatment and prevention of vorbis infections and for use with other veterinary vaccines or medicaments.