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Comparative analysis of pre-laying behaviour in battery cages and in three alternative systems

Author:
Meijsser, F.M. ian, Scotland., Hughes, B.O.
Source:
British poultry science 1989 v.30 no.4 pp. 747-760
ISSN:
0007-1668
Subject:
nests, animal welfare, battery cages, vocalization, nesting, hens
Agid:
1480113