Behaviour of laying hens in two types of aviary systems on 25 commercial farms in Sweden
Odén, K., Keeling, L.J., Algers, B.Volume:
43
Language:
english
Journal:
British Poultry Science
DOI:
10.1080/00071660120121364
Date:
May, 2002
File:
PDF, 284 KB
english, 2002