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There are currently no known outstanding effects for the Commission Decision of 21 June 2005 on the implementation of survey programmes for avian influenza in poultry and wild birds to be carried out in the Member States (notified under document number C(2005) 1827) (Text with EEA relevance) (2005/464/EC), ANNEX.
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the number of holdings to be sampled (excluding ducks, geese and turkeys); that number shall be defined so as to ensure the identification of at least one infected holding if the prevalence of infected holdings is at least 5 %, with a 95 % confidence interval; (see table 1) and
the number of birds sampled from each holding shall be defined so as to ensure 95 % probability of identifying at least one positive bird if the prevalence of sero-positive birds is ≥ 30 %.
The types of production and their specific risks, shall be targeted to free range production and outdoor keeping plus taking into account other factors such as multi-age, use of surface water, a relatively longer life span, the presence of more than one species on the holding or other relevant factors.
The number of turkey, duck and goose holdings to be sampled shall be defined to ensure the identification of at least one infected holding if the prevalence of infected holdings is at least 5 %, with a 99 % confidence interval (see table 2).
Where significant number of holdings producing ratites and quails are present in a Member State they shall be included in the programme. With regard to quails only adult (or laying) breeders shall be sampled.
The time period for sampling shall coincide with seasonal production. However, where appropriate, sampling can be adapted to other identified periods at local level, during which time the presence of other poultry hosts on a holding might pose a greater risk for disease introduction.
Member States that must carry out sampling for Newcastle disease to maintain their status as Newcastle disease non-vaccinating countries in accordance with Commission Decision 94/327/EC(1) may utilise these samples from breeding flocks for the surveillance of H5/H7 antibodies.
Number of holdings to be sampled of each poultry category (except turkey, duck and goose holdings)
Number of holdings per poultry category per Member State | Number of holdings to be sampled |
---|---|
Up to 34 | All |
35-50 | 35 |
51-80 | 42 |
81-250 | 53 |
> 250 | 60 |
Number of turkey, duck and goose holdings to be sampled
Number of holdings per Member State | Number of holdings to be sampled |
---|---|
Up to 46 | All |
47-60 | 47 |
61-100 | 59 |
101-350 | 80 |
> 350 | 90 |
In those Member States where surveillance will also involve wild birds the following guidelines shall be followed.
the population of wild bird species presenting a higher risk to be identified, based upon:
origin and migratory flyways;
numbers of wild birds in the Community; and
likelihood of contact with domestic poultry;
identify sites at risk, based upon:
mixing sites of high number of migratory birds involving different species and in particular those listed in part F;
proximity to domestic poultry farms; and
location along migratory flyways.
Sampling must take account of the seasonality of migration patterns, which may vary in different Member States and the species of birds listed in Annex F.
wild birds species listed in part F and other wild birds living in contact with them; and
at sites as referred to in point 2(b)(i).
The occurrence of mortality in several species at the same site shall be an additional factor to be considered.
Textual Amendments
Laboratory tests shall be carried out in accordance with the diagnostic procedures for the confirmation and differential diagnostic of avian influenza (AI) set out in Annex III to Directive 92/40/EEC (including examination of sera from ducks and geese by haemagglutination-inhibition (HI) test. However, if laboratory tests not laid down in Directive 92/40/EEC, nor described in the OIE Terrestrial Manual, are envisaged, Member States shall provide the necessary validation data to the CRL, in parallel to submitting their programme to the Commission for approval. All positive serological findings shall be confirmed by the National laboratories for avian influenza by an haemagglutination-inhibition test, using designated strains supplied by the Community Reference Laboratory:
Initial test using Duck/Denmark/64650/03 (H5N7)
Test all positives with Ostrich/Denmark/72420/96 (H5N2) to eliminate N7 cross reactive antibody.
Initial test using Turkey/England/647/77 (H7N7)
Test all positives with African Starling/983/79 (H7N1) to eliminate N7 cross reactive antibody.
Latin name | English language name | |
---|---|---|
1. | Anser albifrons | White-fronted goose |
2. | Anser fabalis | Bean goose |
3. | Anas platyrhynchos | Mallard |
4. | Anas strepera | Gadwal |
5. | Anas acuta | Northern Pintail |
6. | Anas clypeata | Northern Shoveler |
7. | Anas Penelope | Eurasian Wigeon |
8. | Anas crecca | Common Teal |
9. | Anas querquedula | Garganay |
10. | Aythya ferina | Common Pochard |
11. | Aythya fuligula | Tufted duck |
12. | Vanellus vanellus | Northern Lapwing |
13. | Philomachus pugnax | Ruff |
14. | Larus ribibundus | Black-headed gull |
15. | Larus canus | Common gull] |
Textual Amendments
[F2All naturally occurring wild birds species in the Community, including the the species listed in the table in this part, are covered by the protection regime of Directive 79/409/EEC on the conservation of wild birds and therefore full regard shall be taken of the requirements of this Directive in any surveillance for avian influenza.]
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