Despite the measures that farmers take to ensure good hygiene and biosecurity, animals may suffer from diseases which need to be prevented by medicated feed for reasons of both animal health and welfare.
In ainneoin na mbeart a dhéanann feirmeoirí chun dea-shláinteachas agus dea-bhithshlándáil a áirithiú, is féidir ainmhithe a bheith thíos le galair a bhfuil gá lena gcosc trí bheatha íocleasaithe ar chúiseanna a bhaineann le sláinte ainmhithe agus leas ainmhithe araon.