Ahead to Appendix D: EC Egg Marketing Regulations - Annex II (as at June 1997) |
Laying cages
1. Commercial - stepped and vertical up to 6 tiers high, gravity, scraper and belt clean with space allowances of approximately 450, 500 and 600cm²/bird. Some containing perches.
2. Experimental modified enriched cages - 7 types including those designed by the Universities of Edinburgh and Bristol and Gleadthorpe and Funbo Lovsta poultry research centres.
Percheries
3. Multi-tier stocked at 15.5 and 18 birds/m².
4. Single tier stocked at 11.7 birds/m².
Aviaries
5. Tiered wire floor type (e.g. Marielund and Lovsta).
6. Perforated floor type plus perches (Vencomatic) stocked at 15 to
18 birds/m².
7. Some members of the group visited tiered wire floor aviaries in the Netherlands, and Natura and Boleg aviaries in Switzerland, stocked at 18 to
21 birds/m², in connection with the Report on the Welfare of Laying Hens in Colony Systems 1991.
Deep litter and modified deep litter
8. With and without an attached "winter garden", stocked at 7 to
11.7 birds/m².
Free range
9. Large fixed houses with set stocked or rotational pen pasture.
10. Large polythene tunnels houses moved approximately once a year.
11. Small houses moved frequently over the pasture.
12. All stocked at about 1000 birds/ha. of total land assigned to the flock.