# The Poultry Breeding Flocks and Hatcheries Order 1993, Paragraph 2


Samples taken for the purposes of paragraph 1 above shall be taken, every 28 days for grandparent flocks and every 56 days for parent flocks, under the supervision of an officer of the Minister.

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Source: https://www.legislation.gov.uk/uksi/1993/1898/schedule/2/part/II/paragraph/2 (the official version)
Page: https://openlegislation.uk/poultry-breeding-flocks-and-hatcheries-order-1993/schedule-2/part-II/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.