Design of surveillance
Article 3
1. The competent authority shall design the surveillance for listed and emerging diseases of terrestrial animals and other animals taking into account: (a) general surveillance requirements based on: (i) notification as provided for in Article 18(1) of Regulation (EU) 2016/429; (ii) appropriate veterinary investigation of increased mortalities and other signs of serious diseases or significantly decreased production rates with an undetermined cause; (iii) investigation by the competent authority in the event of the suspicion of a category E disease or, if relevant, of an emerging disease; (iv) targeted animal population for surveillance as provided for in Article 4; (v) the contribution of official controls and other official activities as provided for in Article 7; (b) specific surveillance requirements: (i) in Union surveillance programme; (ii) as a part of compulsory or optional eradication programmes; (iii) for demonstrating and maintaining disease-free status; (iv) as a part of disease control measures; (v) in the context of approval of certain establishments; (vi) for the movements of terrestrial animals within the Union or their entry into the Union. 2. The competent authority shall design the surveillance for listed and emerging diseases of aquatic animals taking into account: (a) general surveillance requirements based on: (i) notification as provided for in Article 18(1) of Regulation (EU) 2016/429; (ii) appropriate veterinary investigation of increased mortalities and other signs of serious diseases or significantly decreased production rates with an undetermined cause; (iii) investigation by the competent authority in the event of the suspicion of a category E disease or, if relevant, of an emerging disease; (iv) targeted animal population for surveillance as provided for in Article 4; (v) the contribution of official controls and other official activities as provided for in Article 7; (vi) disease control measures; (b) specific surveillance requirements: (i) as a part of the risk-based surveillance scheme set out in Chapter 1 of Part I of Annex VI, involving a risk ranking and regular animal health visits as provided for in Chapters 2 and 3 of Part I of Annex VI; (ii) as a part of the eradication programmes provided for in Chapters 1 to 6 of Part II of Annex VI; (iii) for demonstrating and maintaining disease-free status; (iv) for demonstrating, in accordance with the surveillance programmes provided for in Chapters 1 to 6 of Part III of Annex VI, that establishments which are not participating in the eradication programme referred to in point (ii) or which have not obtained the disease-free status referred to in point (iii) are not infected; (v) for the movements of aquatic animals within the Union or their entry into the Union.