Establishing farm dust as a useful viral metagenomic surveillance matrix.

Kirsty TT Kwok; Myrna MT de Rooij; Aniek B Messink; Inge M Wouters; Lidwien AM Smit; Matthew Cotten ORCID logo; Dick JJ Heederik; Marion PG Koopmans; My VT Phan ORCID logo; (2022) Establishing farm dust as a useful viral metagenomic surveillance matrix. Sci Rep, 12 (1). 16308-. DOI: 10.1038/s41598-022-20701-x
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Farm animals may harbor viral pathogens, some with zoonotic potential which can possibly cause severe clinical outcomes in animals and humans. Documenting the viral content of dust may provide information on the potential sources and movement of viruses. Here, we describe a dust sequencing strategy that provides detailed viral sequence characterization from farm dust samples and use this method to document the virus communities from chicken farm dust samples and paired feces collected from the same broiler farms in the Netherlands. From the sequencing data, Parvoviridae and Picornaviridae were the most frequently found virus families, detected in 85-100% of all fecal and dust samples with a large genomic diversity identified from the Picornaviridae. Sequences from the Caliciviridae and Astroviridae familes were also obtained. This study provides a unique characterization of virus communities in farmed chickens and paired farm dust samples and our sequencing methodology enabled the recovery of viral genome sequences from farm dust, providing important tracking details for virus movement between livestock animals and their farm environment. This study serves as a proof of concept supporting dust sampling to be used in viral metagenomic surveillance.


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