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Abstract

Injurious pecking, including feather pecking (FP), is one of the most prevalent causes of mortality for commercial laying hens. The underlying biological mechanisms of FP are not yet fully understood, but they could be related to alterations in the serotonin (5-HT) and/or dopamine (DA) circuits...

Author(s)
Birkl, P.; Franke, L.; Rodenburg, T. B.; Ellen, E.; Harlander-Matauschek, A.
Publisher
Elsevier, New York, USA
Citation
Physiology & Behavior, 2017, 175, pp 88-96
Abstract

Broiler breeder chickens are feed-restricted to control growth and maximize chick production. Feed restriction creates welfare concerns as conventional skip-a-day feeding can increase activity levels and oral stereotypies during the rearing period. A precision feeding system has been developed to...

Author(s)
Girard, T. E.; Zuidhof, M. J.; Bench, C. J.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Applied Animal Behaviour Science, 2017, 188, pp 42-49
Abstract

Background: Feather pecking and aggressive pecking in laying hens are serious economic and welfare issues. In spite of extensive research on feather pecking during the last decades, the motivation for this behavior is still not clear. A small to moderate heritability has frequently been reported...

Author(s)
Lutz, V.; Stratz, P.; Preuss, S.; Tetens, J.; Grashorn, M. A.; Bessei, W.; Bennewitz, J.
Publisher
BioMed Central Ltd, London, UK
Citation
Genetics, Selection, Evolution, 2017, 49, 18, pp (3 February 2017)
Abstract

Author(s)
Rovers-Paap, P.
Publisher
Reed Business, Doetinchem, Netherlands
Citation
Poultry World, 2017, 33, 1, pp 23...26
Abstract

The objective of this research was to analyze the relationship between feather pecking (FP) and feather eating (FE) as well as general locomotor activity (GLA) using structural equation models, which allow that one trait can be treated as an explanatory variable of another trait. This provides an...

Author(s)
Lutz, V.; Kjaer, J. B.; Iffland, H.; Rodehutscord, M.; Bessei, W.; Bennewitz, J.
Publisher
Oxford University Press, Oxford, UK
Citation
Poultry Science, 2016, 95, 8, pp 1757-1763
Abstract

Two trials were conducted to study the effect of feeding barley silage on the behaviour and performance of beak-trimmed laying hens. In each trial, 20 hens and 2 roosters were housed in each of eight group-housed enriched cages, with four cages provided a laying hen diet and four cages additionally ...

Author(s)
Johannson, S. G.; Raginski, C.; Schwean-Lardner, K.; Classen, H. L.
Publisher
NRC Research Press, Ottawa, Canada
Citation
Canadian Journal of Animal Science, 2016, 96, 2, pp 161-171
Abstract

Severe feather-pecking (SFP), whereby birds vigorously peck at and pull out the feathers of conspecifics, is an extremely injurious, highly prevalent behaviour. It has acute negative impacts on the egg industry worldwide, in terms of both animal welfare and production efficiency. A large volume of...

Author(s)
Hartcher, K. M.; Wilkinson, S. J.; Hemsworth, P. H.; Cronin, G. M.
Publisher
Cambridge University Press, Cambridge, UK
Citation
World's Poultry Science Journal, 2016, 72, 1, pp 103-114
Abstract

The influence of stocking density on feather pecking and aggressive behavior of Thai crossbred chickens was investigated from age 4-12 wk. In total, 900 day-old mixed sex Thai crossbred chickens were assigned to three replicates of 100 birds per pen, at stocking densities of 8 birds/m2, 12 birds/m2 ...

Author(s)
Huo Xin; Na-Lampang, P.
Publisher
Kasetsart University Research and Development Institute (KURDI), Bangkok, Thailand
Citation
Agriculture and Natural Resources, 2016, 50, 5, pp 396-399
Abstract

Injurious feather-pecking in non-cage systems is a serious economic and welfare concern for the egg-producing industry. This study presents results from data of over 1,000 flocks from producers who supplied free-range eggs to McDonald's Restaurants Ltd UK between 2008 and 2013. These producers had...

Author(s)
Bright, A.; Gill, R.; Willings, T. H.
Publisher
Universities Federation for Animal Welfare (UFAW), Wheathampstead, UK
Citation
Animal Welfare, 2016, 25, 1, pp 1-5
Abstract

Feather pecking is a multi-factorial behavioral disorder and a serious welfare issue in the poultry industry. Several studies report early life experience with litter to be a major determinant in the development of feather pecking. The current study aimed to test the large-scale on-farm efficiency...

Author(s)
Tahamtani, F. M.; Brantsæter, M.; Nordgreen, J.; Sandberg, E.; Hansen, T. B.; Nødtvedt, A.; Rodenburg, T. B.; Moe, R. O.; Janczak, A. M.
Publisher
Oxford University Press, Oxford, UK
Citation
Poultry Science, 2016, 95, 12, pp 2747-2756

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