Paragraph 1

In the case of birds of up to 15 weeks of age, the samples to be taken shall comprise:–

(a)

all chick box liners, up to a maximum of 10, from the boxes or containers in which chicks are delivered to any rearing premises on any day prior to 31 March 1990, such samples to be taken on the day of the arrival of the chicks there;

(b)

the carcases of all chicks, up to a maximum of 60, which are found to be dead on arrival at any rearing premises prior to 31 March 1990;

(c)

the carcases of all chicks, up to a maximum of 60, which die within 4 days of their arrival at any rearing premises prior to 31 March 1990;

(d)

the carcases of all birds which die or are culled at 4 weeks of age, or within one week of attaining that age, up to a maximum of 60; and

(e)

either –

(i)

composite samples of fresh faeces taken within one week of the birds attaining 4 and 14 weeks of age, each composite sample being made up of individual samples of fresh faeces, each weighing not less than 1 gram, taken from a number of sites selected at random from the house in which the birds are kept or, where birds have free access to more than one house on any premises, from each group of houses in which birds are kept on those premises; or

(ii)

cloacal swabs taken, at the rate of one swab from each bird, within one week of the birds attaining 4 and 14 weeks of age.