Paragraph 2 Sampling of four-week-old birds etc.
(1)
The following samples are to be taken from each flock of four week-old birds and each flock two weeks before it comes into lay or moves to the laying phase or laying unit–
(a)
a minimum of two pairs of boot swabs; or
(b)
a composite faeces sample.
(2)
In this paragraph, “a composite faeces sample” means a sample of faeces consisting of a number of individual samples calculated in accordance with the following, each of which weighs not less than 1 gram and is taken from a site selected at random to represent the building or group of buildings in the holding from which it is taken.