Omnivores Going Astray: A Review and New Synthesis of Abnormal Behavior in Pigs and Laying Hens

Brunberg, EmmaNORSØK – Norwegian Centre for Organic Agriculture, Tingvoll, Norway; NIBIO – Norwegian Institute for Bioeconomy Research, Tingvoll, Norway,Norwegian Institute of Bioeconomy Research (NIBIO) (författare)

Omnivores Going Astray : A Review and New Synthesis of Abnormal Behavior in Pigs and Laying Hens

Pigs and poultry are by far the most omnivorous of the domesticated farm animals and it is in their nature to be highly explorative. In the barren production environments, this motivation to explore can be expressed as abnormal oral manipulation directed toward pen mates. Tail biting (TB) in pigs and feather pecking (FP) in laying hens are examples of unwanted behaviors that are detrimental to the welfare of the animals. The aim of this review is to draw these two seemingly similar abnormalities together in a common framework, in order to seek underlying mechanisms and principles. Both TB and FP are affected by the physical and social environment, but not all individuals in a group express these behaviors and individual genetic and neurobiological characteristics play an important role. By synthesizing what is known about environmental and individual influences, we suggest a novel possible mechanism, common for pigs and poultry, involving the brain-gut-microbiota axis.

Rodenburg, T BasBehavioural Ecology Group, Wageningen University, Wageningen, Netherlands (författare)
Rydhmer, LottaSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för husdjursgenetik (HGEN),Department of Animal Breeding and Genetics,Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, Uppsala, Sweden(Swepub:slu)49315 (författare)
Kjaer, Joergen BFederal Research Institute for Animal Health, Friedrich-Loeffler-Institut, Celle, Germany, (författare)
Jensen, PerLinköpings universitet,Biologi,Tekniska fakulteten(Swepub:liu)perje15 (författare)
Keeling, LindaSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för husdjurens miljö och hälsa (HMH),Department of Animal Environment and Health,Department of Animal Environment and Health, Swedish University of Agricultural Sciences, Uppsala, Sweden(Swepub:slu)50749 (författare)
NORSØK – Norwegian Centre for Organic Agriculture, Tingvoll, Norway; NIBIO – Norwegian Institute for Bioeconomy Research, Tingvoll, NorwayNorwegian Institute of Bioeconomy Research (NIBIO) (creator_code:org_t)
Sveriges lantbruksuniversitet

Ingår i:Frontiers in Veterinary Science: Frontiers Research Foundation3, s. 1-152297-1769

Av författaren/redakt...: Brunberg, Emma; Rodenburg, T Bas; Rydhmer, Lotta; Kjaer, Joergen B; Jensen, Per; Keeling, Linda

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