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Authors:
Vestervall, F
Ungemach, FR
Aarestrup, FM
Teuber, M
Algers, B
Witte, W
Sorum, H
Naess, B
Skold, O
Helmuth, R
Semjen, G
Franklin, A
Morner, A
Greko, C
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Citation: K. Oden et al., Agonistic behaviour and feather pecking in single-sexed and mixed groups of laying hens, APPL ANIM B, 62(2-3), 1999, pp. 219-231
Citation: Pa. Oltenacu et al., Associations between use of electric cow-trainers and clinical diseases, reproductive performance and culling in Swedish dairy cattle, PREV VET M, 37(1-4), 1998, pp. 77-90