| 摘要 |
This invention relates to methods for cultivating Lawsonia intracellularis. In particular, the present invention provides improved methods for cultivating Lawsonia intracellularis by employing reducing agents other than molecular hydrogen; or alternatively, by employing a combination of one or more reducing agents with molecular hydrogen. This invention also relates to vaccines and diagnostic reagents prepared from Lawsonia intracellularis cultivated by employing the methods disclosed herein.
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