# The Poultry Breeding Flocks and Hatcheries (Scotland) Order 2007, Paragraph 1: Preparation of the samples


Chick box liners must be prepared as follows–
(a) a minimum 1 gram portion is to be taken from a soiled area on each liner; and
(b) the portions from separate liners must be bulked together and placed in Buffered Peptone Water (BPW) at the rate of not more than 1 gram of liner for every 10 ml of BPW.

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Source: https://www.legislation.gov.uk/ssi/2007/254/schedule/4/paragraph/1 (the official version)
Page: https://openlegislation.uk/poultry-breeding-flocks-and-hatcheries-scotland-order-2007/schedule-4/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.