Paragraph 2

The number of birds from which blood samples shall be taken shall be as follows–

(a)

in the case of birds at grandparent level and above, all birds; and

(b)

in the case of birds at parent level, a number calculated in accordance with the following table–

Number of birds at parent level required to be sampled for testing for Salmonella pullorum

Number of birds kept in a house or, on premises on which birds have free access to more than one house, number of birds in each group of houses on such premises	Number of birds to be sampled in that house or in that group of houses on those premises
300 or less	All birds up to 150
301–400	160
401–4000	170
4001 or more	180