the application of animal husbandry practices which enhance the immune system and strengthen the natural defence against diseases, including regular exercise and access to open air areas and pastures;
cleachtais feirmeoireachta ainmhithe a chur i bhfeidhm a chuireann leis an gcóras imdhíonachta agus a neartaíonn an chosaint nádúrtha i gcoinne galar, lena n-áirítear aclaíocht rialta agus rochtain ar limistéir faoin aer agus ar fhéaraigh;