Division II.2 Diagnostic methods to obtain and maintain disease-free status for either VHS or IHN or both
United Kingdom
The diagnostic method, in accordance with the approved diagnostic methods and procedures set out in point I. of Part 1 of Annex II, to achieve or to maintain disease-free status for VHS or IHN or both shall be either:
- (a)
virus isolation in cell cultures followed by identification using enzyme-linked immunosorbent assay (ELISA), indirect fluorescent antibody test (IFAT), virus neutralisation test or real-time reverse transcriptase polymerase chain reaction (RT-qPCR); or
- (b)
RT-qPCR.
Notes on Part 1
Footnotes
- f1
The samples must be collected no sooner than 3 weeks after the transfer of the fish from fresh to saltwater.
- f2
Ovarian or seminal fluid of broodstock shall be collected at the time of maturation, in connection with stripping.
- f3
Samples must be taken from the number of fish that will ensure the detection of VHSV or IHNV with a 95 % confidence if the design prevalence is 5 %.
- f4
The samples must be collected no sooner than 3 weeks after the transfer of the fish from fresh to saltwater.
- f5
Ovarian or seminal fluid of broodstock shall be collected at the time of maturation, in connection with stripping.
- f6
Samples must be taken from the number of fish that will ensure detection of VHSV or IHNV with a 95 % confidence if the design prevalence is 10 %.
- f7
There shall be minimum one sample for every health inspection.
- f8
The samples must be collected no sooner than 3 weeks after the transfer of the fish from fresh to saltwater.
- f9
Samples must be taken from the number of fish that will ensure the detection of VHSV or IHNV with a 95 % confidence if the design prevalence is 10 %.