in red deer pens, animals must be able to roll in the mud to ensure skin grooming and body temperature regulation;
I gcás pionnaí d’fhianna rua, ní mór go mbeadh na hainmhithe in ann iad féin a únfairt sa lábán chun grúmaeireacht craicinn agus rialú teochta coirp a áirithiú;