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Teat position and personality in piglets, Sus scrofa
Linköping University, Department of Physics, Chemistry and Biology, Zoology .
2011 (English)Independent thesis Basic level (degree of Bachelor), 10,5 credits / 16 HE creditsStudent thesis
Abstract [en]

In order to investigate if difference in personality is depended on the teat positions in piglets, Sus scrofa, 63 piglets, from 21 litters, were studied. The piglets were at an age between 9 and 31 days. 3 piglets in each of the 21 litters, one that suckled at an anterior teat, one at a middle teat, and one at a posterior teat, were studied during lactation, undisturbed activity, and introduction to a novel object respectively to new straw. In total thirteen behaviors were recorded. The only significant difference between the teat position were disputes during suckling (P=0.018). There was a tendency of playing during undisturbed activity (P=0.062) between the teat positions. There were significant differences between the litters for every behavior except for inactive piglet lying alone (P=0.108) and when exploring new straw (P=0.584). There is only evidence for behavioral differences for the frequency of disputes during suckling between piglets at different teat positions. A principal component analysis, which accounted for 64.2 % of the variance, suggested four personality traits: exploration (19.2 %), playfulness (17.5 %), interest in food (14.8 %), and interest in straw (10.9 %). However, no significant differences were found for these components for the different teat positions.

Place, publisher, year, edition, pages
2011. , 14 p.
Keyword [en]
Pig; Personality; Teat position; Dispute; Novel object; Piglet; Sus scrofa
National Category
Behavioral Sciences Biology
URN: urn:nbn:se:liu:diva-70783ISRN: LiTH-IFM- Ex--11/2508--SEOAI: diva2:441663
Subject / course
2011-05-31, BL32, 09:15 (Swedish)
Physics, Chemistry, Mathematics
Available from: 2011-09-21 Created: 2011-09-18 Last updated: 2011-09-21Bibliographically approved

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