Commission Decision of 28 April 2006 amending Decisions 2005/710/EC, 2005/733/EC and 2005/758/EC as regards an extension of their period of application for certain protection measures in relation to highly pathogenic avian influenza in Romania, Turkey and Croatia (notified under document number C(2006) 1710) (Text with EEA relevance) (2006/321/EC)
