O fewn y parthau hyn, cyfyngir ar symudiadau adar a chynulliadau ac mae’n rhaid datgan pob daliad sy'n cadw adar. Mae'r mesurau'n llymach yn y Parth Gwarchod 3km. Gwybodaeth lawn ar gael yma:datganiad o Barth Gwarchod, Parth Gwyliadwriaeth Ffliw Adar: Ger Aberdaugleddau, Sir Benfro.
Within these zones, bird movements and gatherings are restricted and all holdings that keep birds must be declared. The measures are stricter in the 3km Protection Zone. Full information available here:declaration of Avian Influenza Protection Zone, Surveillance Zone: near Milford Haven, Pembrokeshire.