SCHEDULE 2 Additional conditions that apply to the keeping of laying hens in non-cage systems
7 If laying hens have access to open runs —
(a) there must be several popholes giving direct access to the outer area, at least 35 cm high and 40 cm wide, and extending along the entire length of the building; and in any case, a total opening of 2 m must be available per group of 1,000 hens; and
(b) the open runs must be—
(i) of an area appropriate to the stocking density and to the nature of the ground, in order to prevent any contamination; and
(ii) equipped with shelter from adverse weather conditions and predators and, if necessary, drinking troughs.