Control measures include improved hygiene, managements strategies such as all in all out systems and keeping a closed herd. Therapeutic levels of medication used to treat the disease may be given as a preventative measure at weaning and if mixing groups of animals. This has variable degrees of success. | Control measures include improved hygiene, managements strategies such as all in all out systems and keeping a closed herd. Therapeutic levels of medication used to treat the disease may be given as a preventative measure at weaning and if mixing groups of animals. This has variable degrees of success. |