Council Directive of 26 June 1964 on animal health problems affecting intra-Community trade in bovine animals and swine (64/432/EEC)

[F1 [F2 9. The test may be read at 24 and 48 hours but a final result shall not be obtained before 72 hours: U.K.

(a)

a test serum is positive if it forms a specific precipitation line with the bovine leukosis virus (BLV) antigen and forms a complete line of identity with the control serum;

(b)

a test serum is negative if it does not form a specific precipitation line with the BLV antigen and if it does not bend the line of the control serum;

(c)

the reaction cannot be considered conclusive if it:

(i)

bends the line of the control serum towards the BLV antigen well without forming a visible precipitin line with the antigen; or

(ii)

if it cannot be read either as negative or as positive.

In inconclusive reactions the test may be repeated and concentrated serum utilised.] ]

Textual Amendments

F1 Substituted by Council Directive 97/12/EC of 17 March 1997 amending and updating Directive 64/432/EEC on health problems affecting intra-Community trade in bovine animals and swine.

F2 Substituted by Commission Decision of 15 December 2009 amending Annex D to Council Directive 64/432/EEC as regards diagnostic tests for enzootic bovine leukosis (notified under document C(2009) 9951) (Text with EEA relevance) (2009/976/EU).