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The prevention and control of feather pecking in laying hens: identifying the underlying principles
Feather pecking (FP) in laying hens remains an important economic and welfare issue. This paper reviews the literature on causes of FP in laying hens. With the ban on conventional cages in the EU…
Serotonin release in the caudal nidopallium of adult laying hens genetically selected for high and low feather pecking behavior: An in vivo microdialysis study
The relation between fearfulness in young and stress-response in adult laying hens, on individual and group level
Effects of risperidone, clozapine and the 5-HT6 antagonist GSK-742457 on PCP-induced deficits in reversal learning in the two-lever operant task in male Sprague Dawley rats
Effects of feather pecking phenotype (severe feather peckers, victims and non-peckers) on serotonergic and dopaminergic activity in four brain areas of laying hens (Gallus gallus domesticus)
Brain monoamine levels and behaviour of young and adult chickens genetically selected on feather pecking
Selection for low mortality in laying hens affects catecholamine levels in the arcopallium, a brain area involved in fear and motor regulation
Feather pecking and monoamines - a behavioral and neurobiological approach
- M. Kops
- Biology, Psychology
- 27 March 2014
It was found that adult severe feather peckers had a higher baseline release of 5-HT in the caudal nidopallium, a large associative area in the chicken’s forebrain, which confirms that genetic selection on SFP has altered the serotonergic system in feather pecking-phenotypes.
The relationship between fearfulness at a young age and stress responses in the later life of laying hens