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For the use in routine vaccination programmes:
live attenuated Newcastle disease vaccines shall be prepared from a Newcastle disease virus strain for which the master seed has been tested and shown to have an intracerebral pathogenicity index (ICPI) of:
less than 0,4 if not less than 107 EID50 are administrated to each bird in the ICPI test;
or
less than 0,5 if not less than 108 EID50 are administered to each bird, in the ICPI test;
[F1. . . . .]
Textual Amendments