| abstract |
Disclosed are a swine mycoplasmal pneumonia attenuated live vaccine and a use thereof. The present invention screens swine lung pathological materials having typical swine mycoplasmal pneumonia and having no other pathogenic infections, performs passaging to 100 generations by using newborn rabbit lung, then separates the swine mycoplasmal pneumonia strains, performs continuous passaging through a medium, and obtains, by screening, a plurality of strains of swine mycoplasmal pneumonia AN306 with deposit number: CCTCC M 2012431. Also disclosed is a swine mycoplasmal pneumonia vaccine formulation prepared on the basis of the attenuated strains, and the formulation contains live attenuated strains, pharmaceutically acceptable carriers or excipients, and may contain adjuvants and immunogens of other pathogens. |