# Council Directive of 26 June 1990 laying down the animal health requirements applicable to intra-Community trade in and imports of semen of domestic animals of the porcine species (90/429/EEC), Division 2.1: The combination of antibiotics referred to in point 2 must produce an effect at least equivalent to the following concentration in the final diluted semen:

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

(a) not less than 500 μg streptomycin per ml final dilution;
(b) not less than 500 IU penicillin per ml final dilution;
(c) not less than 150 μg lincomycin per ml final dilution;
(d) not less than 300 μg spectinomycin per ml final dilution.

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Source: https://www.legislation.gov.uk/eudr/1990/429/annex/C/division/2.1 (the official version)
Page: https://openlegislation.uk/eu-directive-1990-429/annex-C/division-2.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.