? vaccine, use of a nonliving lawsonia intracellularis antigen, and method for reducing in a pig the release of lawsonia intracellularis bacteria associated with subclinical infection with lawsonia intracellularis?

摘要

The present invention relates to a vaccine comprising nonliving lawsonia intracellularis antigen and a pharmaceutically acceptable carrier for use in a method for reducing in a pig the negative impact on mean daily weight gain (adwg) associated with subclinical infection with lawsonia intracellularis. systemic administration of the vaccine to the pig.