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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
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.