TABLE 1.

Detection of A. centrale vaccine strain persistence

A. centrale vaccinate (animal no.)	Time postvaccination (mo)	Detection of A. centrale
405	5	Nested mpb58 PCR
429	11	Nested mpb58 PCR
773	30	Subinoculation into calf 369
578	35	Subinoculation into calf 336
573	37	Subinoculation into calf 334
376	41	Subinoculation into calf 359
378	41	Subinoculation into calf 355
468	48	Subinoculation into calf 351
477	49	Subinoculation into calf 350
478	49	Subinoculation into calf 362