Relationship between feather pecking and ground pecking in laying hens and the effect of group size.

@article{Bilck2000RelationshipBF,
  title={Relationship between feather pecking and ground pecking in laying hens and the effect of group size.},
  author={Bilc{\'i}k and Keeling},
  journal={Applied animal behaviour science},
  year={2000},
  volume={68 1},
  pages={55-66}
}
The aim of this experiment was to study the relationship between feather pecking and ground pecking in laying hens and the effect of group size on feather pecking behaviour. Hisex White hens were kept in floor pens in group sizes of 15, 30, 60 and 120 birds, each with four replicates. Behavioural observations were performed at four different ages and focused on the number of feather pecks and aggressive pecks, both given and received. The part of the body pecked and the location of the bird was… CONTINUE READING

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Feather Pecking in Laying Hens : Environmental and Endogenous Factors

M. SEDLAâKOVÁ, B. BILâÍK
2004
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