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En jämförelse av beteendeeffekter hos slaktsvin av olika typer av miljöberikning
Linköping University, Department of Physics, Chemistry and Biology, Biology. Linköping University, The Institute of Technology.
2014 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
A comparison of behaviour in fattening pigs with different types of environmentalenrichments (English)
Abstract [sv]

Hos grisar finner man flera stereotypiska beteenden, som rörbitning och svansbitning. Dessa beteenden är relativt vanliga hos grisar. En miljöberikning definieras som förbättring av ett djurs välfärd, både psykologisk och fysiologiskt, genom förändringar hos djurets omgivning.

Denna studie har undersökt om miljöberikningar kan minska stereotypiska beteenden hos grisar. De två olika miljöberikningar som har använts är en jutesäck fylld med halm och en Jolly Ball™. De tre stereotypiska beteendena som studerades var rörbitning, svansbitning och bukmassage.

Studien utfördes på 107st grisar uppdelade på 12 boxar, under totalt tre veckor. Alla tre stereotypiska beteenden minskade statistiskt signifikant . Detta visar att båda miljöberikningarna hade en positiv effekt på grisarna då de minskade deras stereotypiska beteenden. De interagerade mer med jutesäcken fylld med halm än vad det gjorde med Jolly Ball™.  Grisarna föredrog den miljöberikningen som var omformbar, förstörbar, ätbar, tuggbar, vilket går i linje med liknande studier.

Abstract [en]

Among fattening pigs you find several stereotypical behaviours, such as bar-biting and tail-biting. These behaviours are quite common among domestic pigs. Environmental enrichments are often used to reduce stereotypical behaviours in animals.  An environmental enrichment is defined as an improvement of an animal’s welfare, both psychologically and physiologically, through changes in the environment of the animal.

With this study, different environmental enrichments were studied to see if they can reduce stereotypical behaviour among fattening pigs. The two different environmental enrichments used were a jute sack filled with straw and a Jolly Ball™. The stereotypical behaviours that were looked at were bar-biting, tail-biting and belly-nosing.

The study was carried out on 107 pigs divided into 12 pig boxes, during 3 weeks in total. All three stereotypical behaviours decreased significantly. This shows that the environmental enrichments had a positive effect on the pigs, since they reduced their stereotypical behaviour.

The pigs interacted more with the jute sack than they did with the Jolly Ball™.  The pigs preferred the environmental enrichment that was destructible, edible, deformable and chewable, which fits well into similar studies that have been executed.  

Place, publisher, year, edition, pages
2014. , 17 p.
Keyword [en]
domestic pig, fattening pigs, environmental enrichment, abnormal behaviour, belly-nosing, tail biting, bar biting, farming
Keyword [sv]
slaktsvin, grisar, svin, miljöberikning
National Category
Behavioral Sciences Biology
Identifiers
URN: urn:nbn:se:liu:diva-103368ISRN: LITH-IFM-G-EX—13/2786 —SEOAI: oai:DiVA.org:liu-103368DiVA: diva2:688915
Subject / course
Ethology
Supervisors
Examiners
Available from: 2014-02-21 Created: 2014-01-18 Last updated: 2014-02-21Bibliographically approved

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Veronica Nygren-Fasth(808 kB)156 downloads
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CiteExportLink to record
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Citation style
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