# Council Directive 92/66/EEC of 14 July 1992 introducing Community measures for the control of Newcastle disease, Division 5

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

The index is calculated as shown in the following example:
Index is a mean score per bird per observation = 112/80 = 1,4
Clinical signs
Day after inoculation(number of birds)
1
2
3
4
5
6
7
8
Total
Score
normal
10
4
0
0
0
0
0
0
14 × 0
= 0
sick
0
6
10
4
0
0
0
0
20 × 1
= 20
dead
0
0
0
6
10
10
10
10
46 × 2
= 92
Total = 112

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Source: https://www.legislation.gov.uk/eudr/1992/66/annex/III/chapter/7/division/5 (the official version)
Page: https://openlegislation.uk/eu-directive-1992-66/annex-III/chapter-7/division-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.