Paragraph 2

one chick box liner, up to a maximum of 10, for every 500 chicks delivered from each hatchery to any rearing premises on any day, such samples to be taken on the day of the arrival of the chicks there;

the carcases of all chicks, up to a maximum of 60, from each hatchery, which are dead on arrival at any rearing premises, such samples to be taken on the day of the arrival of the chicks there;

a composite faeces sample taken from birds at 4 weeks of age and at two weeks prior to them entering the laying phase, the number of separate samples being taken in accordance with the table in paragraph 1 above;

in the case of birds whose eggs are hatched at a hatchery with a total incubator capacity of less than 1,000 eggs a composite faeces sample taken from birds at the time they enter the laying phase and at intervals of 2 weeks thereafter in accordance with the table in paragraph 1 above.