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

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...

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Autores principales:	Else Verbeek, Johan Dicksved, Linda Keeling
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/06dae647487a463396b9e74ca0095a66
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spelling	oai:doaj.org-article:06dae647487a463396b9e74ca0095a662021-12-02T15:43:09ZSupplementation of Lactobacillus early in life alters attention bias to threat in piglets10.1038/s41598-021-89560-22045-2322https://doaj.org/article/06dae647487a463396b9e74ca0095a662021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89560-2https://doaj.org/toc/2045-2322Abstract 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.Else VerbeekJohan DicksvedLinda KeelingNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Else Verbeek Johan Dicksved Linda Keeling Supplementation of Lactobacillus early in life alters attention bias to threat in piglets
description	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.
format	article
author	Else Verbeek Johan Dicksved Linda Keeling
author_facet	Else Verbeek Johan Dicksved Linda Keeling
author_sort	Else Verbeek
title	Supplementation of Lactobacillus early in life alters attention bias to threat in piglets
title_short	Supplementation of Lactobacillus early in life alters attention bias to threat in piglets
title_full	Supplementation of Lactobacillus early in life alters attention bias to threat in piglets
title_fullStr	Supplementation of Lactobacillus early in life alters attention bias to threat in piglets
title_full_unstemmed	Supplementation of Lactobacillus early in life alters attention bias to threat in piglets
title_sort	supplementation of lactobacillus early in life alters attention bias to threat in piglets
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/06dae647487a463396b9e74ca0095a66
work_keys_str_mv	AT elseverbeek supplementationoflactobacillusearlyinlifealtersattentionbiastothreatinpiglets AT johandicksved supplementationoflactobacillusearlyinlifealtersattentionbiastothreatinpiglets AT lindakeeling supplementationoflactobacillusearlyinlifealtersattentionbiastothreatinpiglets
_version_	1718385790763925504

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

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