# Council Directive of 26 June 1964 on animal health problems affecting intra-Community trade in bovine animals and swine (64/432/EEC), Division 3: Conditions for use of the ELISA for enzootic bovine leukosis

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

(a) ELISAs may be used on serum and milk samples.
(b) Where ELISAs are used for certification purposes in accordance with Article 6(2)(c) or for the establishment and maintenance of a herd status in accordance with Annex D(I), pooling of samples of serum or milk shall be carried out in such a way that the samples taken for examination can be undoubtedly related to the individual animals included in the pool. Any confirmatory test shall be carried out on samples taken from individual animals.
(c) Where ELISAs are used on a sample of bulk milk this sample shall be taken from the milk collected from a herd with at least 30 % of dairy cows in milk. Any confirmatory test shall be carried out on samples of serum or milk taken from individual animals.

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Source: https://www.legislation.gov.uk/eudr/1964/432/annex/D/chapter/II/division/C/division/3 (the official version)
Page: https://openlegislation.uk/eu-directive-1964-432/annex-D/chapter-II/division-C/division-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.