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dc.contributor.authorLecorps, B
dc.contributor.authorKappel, S
dc.contributor.authorWeary, DM
dc.contributor.authorvon Keyserlingk, MAG
dc.date.accessioned2019-01-21T09:18:29Z
dc.date.issued2018-11-05
dc.identifier.issn2045-2322
dc.identifier.issn2045-2322
dc.identifier.otherARTN 16350
dc.identifier.urihttp://hdl.handle.net/10026.1/13166
dc.description.abstract

The assessment of individual traits requires that tests are reliable (i.e. consistency over time) and externally valid, meaning that they predict future responses in similar contexts (i.e. convergent validity) but do not predict responses to unrelated situations (i.e. discriminant validity). The aim of this study was to determine if dairy calf personality traits (Fearfulness, Sociability and Pessimism), derived from behaviours expressed in standardized tests, predict individuals’ responses in related situations. The first experiment tested if the trait ‘Sociability’ was related to the expression of social behaviour in the home-pen, with calves assigned individual proximity scores (based on proximity to other calves) while they were in their home-pen at approximately 113 and 118 d of age. The second experiment aimed at exploring whether traits ‘Fearfulness’ and ‘Pessimism’ were related to the calves’ emotional response to transportation. All calves were subjected to two 10-min transportation challenges done on two consecutive days. Emotional response was assessed using the maximum eye temperature (measured using infrared thermography) and the number of vocalizations emitted. Social proximity scores (Experiment 1), vocalizations emitted and maximum eye temperature after loading (Experiment 2) were consistent over time. In addition, the results showed good convergent validity with calves scoring higher in Sociability also having higher proximity scores in the home-pen, and animals scoring higher in Fearfulness and Pessimism showing a more intense emotional response to transportation. The results also showed good discriminant validity, as neither Fearfulness nor Pessimism were associated with the expression of social behaviours (Experiment 1) and Sociability was not associated with the animal’s emotional response to transportation (Experiment 2). We conclude that the methodology used to measure personality traits shows good reliability and external validity.

dc.format.extent16350-
dc.format.mediumElectronic
dc.languageen
dc.language.isoen
dc.publisherNature Research (part of Springer Nature)
dc.subjectAnimals
dc.subjectBehavior, Animal
dc.subjectCattle
dc.subjectDairying
dc.subjectEmotions
dc.subjectFear
dc.subjectPersonality
dc.subjectPessimism
dc.subjectSocial Behavior
dc.subjectStress, Psychological
dc.titleDairy calves' personality traits predict social proximity and response to an emotional challenge
dc.typejournal-article
dc.typeArticle
plymouth.author-urlhttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000449272100044&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=11bb513d99f797142bcfeffcc58ea008
plymouth.issue1
plymouth.volume8
plymouth.publisher-urlhttp://dx.doi.org/10.1038/s41598-018-34281-2
plymouth.publication-statusPublished online
plymouth.journalScientific Reports
dc.identifier.doi10.1038/s41598-018-34281-2
plymouth.organisational-group/Plymouth
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering
plymouth.organisational-group/Plymouth/Users by role
plymouth.organisational-group/Plymouth/Users by role/Academics
dc.publisher.placeEngland
dcterms.dateAccepted2018-10-06
dc.rights.embargodate2019-12-18
dc.identifier.eissn2045-2322
dc.rights.embargoperiodNot known
rioxxterms.versionofrecord10.1038/s41598-018-34281-2
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.licenseref.startdate2018-11-05
rioxxterms.typeJournal Article/Review


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