# Commission Implementing Decision (EU) 2015/1554 of 11 September 2015 laying down rules for the application of Directive 2006/88/EC as regards requirements for surveillance and diagnostic methods (notified under document C(2015) 6188) (Text with EEA relevance), Part 1: SURVEILLANCE AND CONTROL METHODS FOR VIRAL HAEMORRHAGIC SEPTICAEMIA (VHS) AND INFECTIOUS HEMATOPOIETIC NECROSIS (IHN)

Extent: E+W+S+N.I.

Table 1.A
Surveillance scheme for zones and compartments for the 2-year control period referred to in point I.2.1(a)(i) which precedes the achievement of disease-free status for VHS or IHN
The samples must be collected no sooner than 3 weeks after the transfer of the fish from fresh to saltwater.
Ovarian or seminal fluid of broodstock shall be collected at the time of maturation, in connection with stripping.
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 %.
Type of farm
Number of health inspections per year (2 years)
Number of samplings per year (2 years)
Number of fish in the sample
Number of growing fish
Number of broodstock fish
(a)
Farms with broodstock
2
2
50 (first inspection)
75 (second inspection)
30 (first or second inspection)
0 (first or second inspection)
(b)
Farms with broodstock only
2
1
0
75 (first or second inspection)
(c)
Farms without broodstock
2
2
75 (first and second inspection)
0
Maximum number of fish per pool: 10
Table 1.B
Surveillance scheme with a reduced sample size for the 4-year control period referred to in point I.2.1(a)(ii) which precedes the achievement of disease-free status for VHS or IHN
The samples must be collected no sooner than 3 weeks after the transfer of the fish from fresh to saltwater.
Ovarian or seminal fluid of broodstock shall be collected at the time of maturation, in connection with stripping.
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 %.
Type of farm
Number of health inspections per year
Number of samplings per year
Number of fish in the sample
Number of growing fish
Number of broodstock fish
First 2 years of the surveillance period
(a)
Farms with broodstock
2
1
0 (first inspection)
30 (second inspection)
0 (first inspection)
0 (second inspection)
(b)
Farms with broodstock only
2
1
0
30 (first or second inspection)
(c)
Farms without broodstock
2
1
30 (first or second inspection)
0
Last 2 years of the surveillance period
(a)
Farms with broodstock
2
2
30 (first inspection)
0(second inspection)
0 (first inspection)
30 (second inspection)
(b)
Farms with broodstock only
2
2
30 (first and second inspection)
(c)
Farms without broodstock
2
2
30 (first and second inspection)
Maximum number of fish per pool: 10
Table 1.C
Surveillance schemes for zones or compartments to maintain disease-free status for VHS or IHN as referred to in point I.3
The samples must be collected no sooner than 3 weeks after the transfer of the fish from fresh to saltwater.
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 %.
There shall be minimum one sample for every health inspection.
Risk level
Number of health inspections
Number of fish in the sample
High
2 every year
30
Medium
1 every year
30
Low
1 every 2 years
30
Maximum number of fish per pool: 10

---
Source: https://www.legislation.gov.uk/eudn/2015/1554/annex/I/part/1 (the official version)
Page: https://openlegislation.uk/eu-decision-2015-1554/annex-I/part-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.