Initial experiences with a Voletage housing system for laying hens
Methling, W.; Grunwoldt, M.
The laying hen. Proceedings of a seminar held on 24 and 25 March 1992 at the Centre Albert Borschette, Brussels, Belgium: 86-94
Performance over 1 yr was compared in 23 000 Medes White (MW) and 12 000 Lohmann Brown (LB) hens kept in cages of 4-5 and 2-3 birds resp., and 13 900 LB hens kept on the floor in 2 large, interconnecting pens, supplied with perch poles and grids and with separate nest areas for laying (Voletage system). The number of hens per msuperscript 2 in the 3 groups averaged 38, 20 and 16 resp.