# Commission Decision of 29 January 2004 on the implementation of surveys for avian influenza in poultry and wild birds in Member States, to be carried out during 2004 (notified under document number C(2004) 134) (2004/111/EC), Division B: SPECIFIC REQUIREMENTS FOR DETECTION OF INFECTIONS WITH H5/H7 SUBTYPES OF AVIAN INFLUENZA IN DUCKS AND GEESE

Extent: E+W+S+N.I.

Blood samples for serological testing shall be taken preferably from birds which are kept outside in fields.
From each selected holding 40-50 blood samples shall be taken for serological testing.

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Source: https://www.legislation.gov.uk/eudn/2004/111/annex/division/B (the official version)
Page: https://openlegislation.uk/eu-decision-2004-111/annex/division-B
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.