Optimism and pasture access in dairy cows

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dc.contributor.authorCrump, Andrew
dc.contributor.authorJenkins, Kirsty
dc.contributor.authorBethell, Emily J.
dc.contributor.authorFerris, Conrad P.
dc.contributor.authorKabboush, Helen
dc.contributor.authorWeller, Jennifer
dc.contributor.authorArnott, Gareth
dc.date.accessioned2021-03-26T12:07:52Z
dc.date.available2021-03-26T12:07:52Z
dc.date.issued2021-03-01
dc.descriptionPublication history: Accepted - 16 February 2021; Published online - 1 March 2021en_US
dc.description.abstractAllowing dairy cattle to access pasture can promote natural behaviour and improve their health. However, the psychological benefits are poorly understood. We compared a cognitive indicator of emotion in cattle either with or without pasture access. In a crossover experiment, 29 Holstein–Friesian dairy cows had 18 days of overnight pasture access and 18 days of full-time indoor housing. To assess emotional wellbeing, we tested cows on a spatial judgement bias task. Subjects learnt to approach a rewarded bucket location, but not approach another, unrewarded bucket location. We then presented cows with three “probe” buckets intermediate between the trained locations. Approaching the probes reflected an expectation of reward under ambiguity—an “optimistic” judgement bias, suggesting positive emotional states. We analysed the data using linear mixed-effects models. There were no treatment differences in latency to approach the probe buckets, but cows approached the known rewarded bucket slower when they had pasture access than when they were indoors full-time. Our results indicate that, compared to cattle housed indoors, cattle with pasture access display less anticipatory behaviour towards a known reward. This reduced reward anticipation suggests that pasture is a more rewarding environment, which may induce more positive emotional states than full-time housing.en_US
dc.description.sponsorshipA.C. was supported by a postgraduate studentship from Northern Ireland’s Department for the Economy. This research is part of a project that has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme, Grant Number 851145.en_US
dc.identifierhttp://hdl.handle.net/20.500.12518/224
dc.identifier.citationCrump, A., Jenkins, K., Bethell, E. J., Ferris, C. P., Kabboush, H., Weller, J. and Arnott, G. (2021) ‘Optimism and pasture access in dairy cows’, Scientific Reports. Springer Science and Business Media LLC, 11(1). doi: 10.1038/s41598-021-84371-x.en_US
dc.identifier.issn2045-2322
dc.identifier.urihttps://doi.org/10.1038/s41598-021-84371-x
dc.language.isoenen_US
dc.publisherNatureen_US
dc.rightsOpen Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.en_US
dc.titleOptimism and pasture access in dairy cowsen_US
dc.typeArticleen_US
dcterms.dateAccepted2021-02-16
dcterms.dateSubmitted2020-12-08

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