Tail biting in pigs: (in)consistency, blood serotonin, and responses to novelty

Research output: Chapter in Book/Report/Conference proceedingAbstract

Abstract

Tail biting is usually considered a persistent maladaptive behaviour in pigs. We investigated whether the tendency to develop tail biting is related to peripheral serotonergic functioning and personality characteristics of pigs. Pigs (n=480 in five rounds) were kept in conventional farrowing pens until weaning at 4 weeks of age. Thereafter, they were housed barren (B) or straw-enriched (E). Individual pigs were exposed to a back test, a novel environment test and a novel object test in an unfamiliar environment at 2, 3.5 and 13 weeks, respectively. Blood serotonin measures were determined at 8, 9 and 22 weeks. In different phases (nursery, grower and finisher), pigs were classified as (non) tail biter based on tail biting behaviour, and as (non) victim based on tail wounds. Consistency of this classification over different phases was assessed with generalized linear mixed models. Effects of housing and associations between tail biter and victim status, blood serotonin and responses to novelty were, per phase, analysed using mixed models. Pigs were not consistently classified as tail biter over all phases post-weaning, but being a victim was (B: P
Original languageEnglish
Title of host publicationProceedings of the 48th Congress of the International Society for Applied Ethology (ISAE)
EditorsI. Estevez, X. Manteca, R.H. Marin, X. Averós
Place of PublicationWageningen, The Netherlands
PublisherWageningen Academic Publishers
Pages136-136
ISBN (Print)9789086862450
Publication statusPublished - 2014
EventISAE 2014, Vitoria-Gasteiz, Spain -
Duration: 29 Jul 20142 Aug 2014

Conference

ConferenceISAE 2014, Vitoria-Gasteiz, Spain
Period29/07/142/08/14

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