Changes in feather condition in relation to feather pecking and aggressive behaviour in laying hens

By Bilcik B.   Keeling L. J.  

British Poultry Science, Vol. 40, Iss. 4, 1999-09 ,pp. : 444-451

Taylor & Francis Ltd

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Effects of stocking density, flock size and management on the welfare of laying hens in single-tier aviaries

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British Poultry Science, Vol. 47, Iss. 2, 2006-04 ,pp. : 135-146

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The effects of four types of enrichment on feather-pecking behaviour in laying hens housed in barren environments

By Dixon LM   Duncan IJH   Mason GJ  

Animal Welfare, Vol. 19, Iss. 4, 2010-11 ,pp. : 429-435

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Feather pecking in adult laying hens: can it be associated with pecking at inanimate objects?

By Channing C. E.   Hocking P. M.   Jones R. B.  

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Differences in Fearfulness Indicated by Tonic Immobility Between Laying Hens in Aviaries and in Cages

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Animal Welfare, Vol. 2, Iss. 2, 1993-05 ,pp. : 105-112

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