Heterogeneity of the rearing environment enhances diversity of microbial communities in intensive farming
2024

How Different Tank Environments Affect Fish Microbiomes

Sample size: 1950 publication 10 minutes Evidence: moderate

Author Information

Author(s): Ashrafi Roghaieh, Sundberg Lotta-Riina, Hyvärinen Pekka, Karvonen Anssi

Primary Institution: University of Jyväskylä

Hypothesis

Does structural heterogeneity in aquaculture tanks enhance microbial diversity and affect fish health?

Conclusion

Enriched tank environments increase microbial diversity in biofilms and are associated with lower fish mortality during disease outbreaks.

Supporting Evidence

  • Enriched tanks had more diverse microbial biofilms.
  • Fish in enriched tanks showed lower mortality during a bacterial outbreak.
  • Microbial diversity in tank biofilm was negatively associated with fish mortality.

Takeaway

Adding things like stones to fish tanks helps more good bacteria grow, which can keep the fish healthier and help them survive diseases.

Methodology

The study compared microbial communities in enriched and standard aquaculture tanks using sampling and DNA sequencing.

Limitations

The study was conducted in a limited number of tanks and fish populations, which may affect the generalizability of the results.

Participant Demographics

Three populations of anadromous brown trout from different rivers were used.

Statistical Information

P-Value

p=0.009

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/s42523-024-00359-8

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