all those birds and sentinel birds are killed and destroyed

all birds and sentinel birds in the approved quarantine facility shall be killed and destroyed

dead sentinel birds and all birds dead on arrival and those which die during quarantine; or

dead sentinel birds and all birds dead on arrival and those which die during quarantine; or

all birds and sentinel birds in the affected unit of the approved quarantine centre shall be killed and destroyed

sentinel birds means poultry which are to be used as a diagnostic aid during quarantine

sentinel birds means poultry which are to be used as a diagnostic aid during quarantine

sentinel birds’ means poultry which are to be used as a diagnostic aid during quarantine;

When sentinel birds are used a minimum of 10 sentinel birds shall be used in the approved quarantine facility or in each unit of the approved quarantine centre.

When sentinel birds are used a minimum of 10 sentinel birds shall be used in the approved quarantine facility or in each unit of the approved quarantine centre.

Sentinel birds used for examination, sampling and testing procedures shall be

if in the quarantine facility or centre sentinel birds are used, the number and placing of the sentinel birds in the quarantine facility or centre

if in the quarantine facility or centre sentinal birds are used, the number and placing of the sentinel birds in the quarantine facility or centre

all birds and sentinel birds in the approved quarantine facility shall be killed and destroyed;

Sentinel birds used for examination, sampling and testing procedures shall be