Paragraph 5 F1

there shall be no more than four levels;

the headroom between the levels must be at least 45 cm;

the drinking and feeding facilities must be distributed in such a way as to provide equal access for all hens; and

the levels must be so arranged as to prevent droppings falling on the levels below.

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

open runs must be of an area appropriate to the stocking density and to the nature of the ground, in order to prevent any contamination and equipped with shelter from inclement weather and predators and, if necessary, appropriate drinking troughs.