Housing is effective in protecting birds against avian influenza, but only if accompanied by rigorous biosecurity to keep the virus out of bird houses.
Mae cadw adar o dan do yn effeithiol o ran eu diogelu rhag ffliw adar, ond dim ond os yw hynny’n cyd-fynd â mesurau bioddiogelwch trwyadl i gadw’r feirws rhag mynd i mewn i gytiau adar.