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Animal Science Database

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Abstract

Different lines of laying hens have undergone a strong selection pressure for productivity traits, which has been proposed as a potential cause of undesirable side effects like behavioural disorders. One reason for such behavioral changes might be due to energy trade-offs, as high productive laying ...

Author(s)
Dudde, A.; Schrader, L.; Weigend, S.; Matthews, L. R.; Krause, E. T.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Applied Animal Behaviour Science, 2018, 209, pp 65-70
Abstract

Testosterone (T) concentrations in many species are sensitive to seasonal changes and to changes in social conditions. However, the effect of the natural or endogenous T increase in the juvenile on their social behaviour is not well understood. In this study, T and behaviour were measured from the...

Author(s)
Kent, J. P.; Murphy, K. J.; Bannon, F. J.; Hynes, N. M.; Hayden, T. J.
Publisher
Springer-Verlag GmbH, Heidelberg, Germany
Citation
Naturwissenschaften, 2009, 96, 7, pp 763-770
Abstract

Ex situ conservation of threatened species may lead to behavioural adaptation, which can affect success of reintroduction attempts. In previous studies, we investigated the effects of captivity on the behaviour of red jungle fowl (Gallus gallus) and found that captive populations differed...

Author(s)
Hǻkansson, J.; Bratt, C.; Jensen, P.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Applied Animal Behaviour Science, 2007, 102, 1/2, pp 24-38
Abstract

42 groups of 30 laying hen chicks were observed for feather pecking under various housing conditions in Switzerland, for the first 7 weeks of life. It is concluded that in contrast to previous experiments, the presence of an appropriate substance for dust bathing, for example sand, does little to...

Author(s)
Huber-Eicher, B.; Wechsler, B.
Citation
Animal Behaviour, 1997, 54, 4, pp 757-768