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Supplementation of Lactobacillus early in life alters attention bias to threat in piglets

Verbeek, Else and Dicksved, Johan and Keeling, Linda (2021). Supplementation of Lactobacillus early in life alters attention bias to threat in piglets. Scientific Reports. 11 , 10130
[Research article]

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Abstract

Gut microbes play an important role in regulating brain processes and influence behaviour, cognition and emotional states in humans and rodents. Nevertheless, it is not known how ingestion of beneficial microbes modulates emotional states in piglets and whether it can improve welfare. Here we use an attention bias task to assess the effects of Lactobacillus reuteri ATCC-PTA-6475 and Lactobacillus plantarum L1-6 supplementation early in life on emotional states in 33 piglets compared to 31 placebo supplemented piglets. We hypothesized that Lactobacillus supplementation would reduce vigilance behaviour (head at shoulder height or higher) and attention (head oriented towards the threat) in response to an auditory threat. The results showed that the control group increased vigilance behaviour in response to the threat, but there was no increase in the probiotics group. Despite the increased vigilance, the control group paid less attention to the threat. One explanation may be that control piglets avoided looking in the direction of the threat just because they perceived it as more threatening, but further research is necessary to confirm this. In conclusion, Lactobacillus supplementation may be a suitable tool to reduce anxiety, promote a more appropriate response to a challenge and so improve welfare.

Authors/Creators:Verbeek, Else and Dicksved, Johan and Keeling, Linda
Title:Supplementation of Lactobacillus early in life alters attention bias to threat in piglets
Series Name/Journal:Scientific Reports
Year of publishing :2021
Volume:11
Article number:10130
Number of Pages:10
Publisher:NATURE RESEARCH
ISSN:2045-2322
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 402 Animal and Dairy Science > Animal and Dairy Science.
(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 403 Veterinary Science > Clinical Science
URN:NBN:urn:nbn:se:slu:epsilon-p-112261
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-112261
Additional ID:
Type of IDID
DOI10.1038/s41598-021-89560-2
Web of Science (WoS)000652604100004
ID Code:24541
Faculty:VH - Faculty of Veterinary Medicine and Animal Science
Department:(VH) > Dept. of Animal Environment and Health
(VH) > Dept. of Animal Nutrition and Management
Deposited By: SLUpub Connector
Deposited On:15 Jun 2021 07:03
Metadata Last Modified:15 Jun 2021 07:11

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