Betekenis van:
sentinel

Voorbeeldzinnen

1. Serological monitoring with sentinel animals:
2. Where possible, sentinel animals must be bovine animals.
3. Development of sentinel networks, coordination of registers and hospital discharge information and use of health surveys.
4. Serological monitoring with sentinel animals shall consist of an active annual programme of testing sentinel animals, aimed at detecting the evidence of bluetongue virus transmission outside the restricted zones.
5. Sentinel aquaculture animals may be used for the examination, sampling, testing and diagnosis, except where species susceptible to infection with Marteilia refringens are quarantined.
6. Sentinel animals shall be tested at least once a month during the period of activity of the vector involved, if that period is known.
7. When sentinel birds are used they must be present in each vaccinated flock, inspected clinically and be tested using the haemagglutination inhibition test (HI).
8. sentinel birds, either the Haemagglutination-Inhibition Test (HI), the AGID-test or the ELISA-test shall be used. However, the iIFA-test shall also be used if necessary;
9. sentinel birds: 20 tracheal/oropharyngeal and 20 cloacal swabs and 20 blood samples for serology using the HI test prior to the time of departure.
10. Sentinel animals shall be tested at least once a month during the period of activity of the vector involved, if known.
11. originate from flocks which have been clinically inspected by an official veterinarian within 48 hours before the time of loading, with particular attention being paid to sentinel birds;
12. vaccinated birds, the iIFA-test shall be used, sentinel birds, either the Haemagglutination-Inhibition Test (HI), the AGID-test or the ELISA-test shall be used.
13. originate from flocks which have been regularly inspected and tested with negative results for avian influenza, with particular attention paid to sentinel birds;
14. a clinical inspection of vaccinated parent or layer poultry in each production unit, including an evaluation of its clinical history and clinical examinations of the sentinel birds present in those flocks; the standard samples must be taken from those sentinel birds.
15. originate from flocks which have been regularly inspected and tested with negative results for highly pathogenic avian influenza H5N1 in accordance with ‘the preventive vaccination plan’ with particular attention paid to sentinel birds;