A non-invasive tool to collect small intestine content in post weaning pigs: validation study.


Journal

Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288

Informations de publication

Date de publication:
30 04 2024
Historique:
received: 30 11 2023
accepted: 17 04 2024
medline: 2 5 2024
pubmed: 2 5 2024
entrez: 1 5 2024
Statut: epublish

Résumé

The Capsule for Sampling (CapSa) is an ingestible capsule that collects small intestine content while transiting through the natural digestive pathway. In this study, 14 Swiss Large White pigs weighing less than 12 kg (Category < 12 kg) and 12 weighing between 12 and 20 kg (Category [12-20 kg]) were given two CapSas and monitored for three days. The animals were euthanized for post-mortem sampling, allowing us to directly obtain gut microbiota samples from the gastrointestinal tract. This post-mortem approach enabled a direct comparison between the microbial content from the gut and the samples collected via the CapSas, and it also facilitated precise identification of the CapSas' sampling sites within the gastrointestinal tract. For the category under 12 kg, only 2.3% of the administered CapSas were recovered from the feces. In contrast, in the 12-20 kg category, 62.5% of the CapSas were successfully retrieved from the feces within 48 h. Of these recovered CapSas, 73.3%-equating to 11 capsules from eight pigs-had a pH > 5.5 and were therefore selected for microbiome analysis. Bacterial composition of the CapSas was compared with that of the three segments of the small intestine, the large intestine and feces of the corresponding pig. The results were tested using a PERMANOVA model (Adonis) including sample type as a factor, and then pairwise comparisons were made. The bacterial composition found in the CapSas differed from that of the large intestine and feces (P < 0.01), while it did not differ from the first segment of the small intestine (P > 0.10). This study provides evidence that the CapSa effectively samples the intestinal microbiota from the upper section of the small intestine in post-weaning pigs. Furthermore, it was found that the collection of CapSas could only be successfully achieved in pigs classified within the heavier weight category.

Identifiants

pubmed: 38693207
doi: 10.1038/s41598-024-59950-3
pii: 10.1038/s41598-024-59950-3
doi:

Types de publication

Journal Article Research Support, Non-U.S. Gov't Validation Study

Langues

eng

Sous-ensembles de citation

IM

Pagination

9964

Subventions

Organisme : H2020 Marie Skłodowska-Curie Actions
ID : 955374

Informations de copyright

© 2024. The Author(s).

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Auteurs

Inés García Viñado (I)

Pig Research Unit, Agroscope, 1725, Posieux, Switzerland.
Department of Agricultural and Food Sciences (DISTAL), University of Bologna, 40127, Bologna, Italy.

Federico Correa (F)

Department of Agricultural and Food Sciences (DISTAL), University of Bologna, 40127, Bologna, Italy.

Paolo Trevisi (P)

Department of Agricultural and Food Sciences (DISTAL), University of Bologna, 40127, Bologna, Italy.

Giuseppe Bee (G)

Pig Research Unit, Agroscope, 1725, Posieux, Switzerland.

Catherine Ollagnier (C)

Pig Research Unit, Agroscope, 1725, Posieux, Switzerland. catherine.ollagnier@agroscope.admin.ch.

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