# Commission Implementing Regulation (EU) No 139/2013 of 7 January 2013 laying down animal health conditions for imports of certain birds into the Union and the quarantine conditions thereof (codification) (Text with EEA relevance), Division (2): In addition to the testing set out in point 1, the following samples shall be taken for virological examination:

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

(a)cloacal swabs (or faeces) and tracheal/oropharyngeal swabs, if possible, from clinically ill birds or ill sentinel birds;
(b)from the intestinal contents, brain, trachea, lungs, liver, spleen, kidneys and other obviously affected organs as soon as possible following the death from either:
(i)dead sentinel birds and all birds dead on arrival and those which die during quarantine; or
(ii)in the case of high mortality in small birds of large consignments from at least 10 % of the dead birds.

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Source: https://www.legislation.gov.uk/eur/2013/139/annex/V/division/2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2013-139/annex-V/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.