These Regulations give effect to Commission Decision 2005/734/EC laying down biosecurity measures to reduce the risk of transmission of highly pathogenic avian influenza caused by influenza A virus of subtype H5N1 from birds living in the wild to poultry and other captive birds and providing for an early detection system in areas at particular risk (OJ No L 274, 20.10.2005, p. 105), as amended by Commission Decision 2005/745 (OJ No L 279, 22.10.2005, p.79).