‘laying hens’ means: hens of the species Gallus gallus which have reached laying maturity and are kept for production of eggs not intended for hatching;

‘nest’ means: a separate space for egg laying, the floor components of which may not include wire mesh that can come into contact with the birds, for an individual hen or for a group of hens (group nest);

‘litter’ means: any friable material enabling the hens to satisfy their ethological needs;

‘usable area’ means: an area at least 30 cm wide with a floor slope not exceeding 14 %, with headroom of at least 45 cm. Nesting areas shall not be regarded as usable areas.