Otherindependent cross-checkabstract only checked I-FSH-12 standard review
Poultry manure in fish farms
Comparative analysis of virulence genes, antibiotic resistance and gyrB-based phylogeny of motile Aeromonas species isolates from Nile tilapia and domestic fowl.
Overview
Abu-Elala N et al.. Lett Appl Microbiol 2015 · PMID 26280543 · DOI 10.1111/lam.12484
Integrated fish farms often use poultry droppings as feed and fertiliser.
Does the study support the specific claim? Partly · Methodological quality: low
Plain-language summary
Study explained simply
- What did the researchers want to find out?
Compare bacteria.
- How was the study done?
Microbiology.
- How many people, animals or samples were studied?
Isolates.
- What was actually found?
Different species; manure concern.
- What do the results mean in everyday life?
Manure use is real.
- What are the study's limitations?
Small.
- What does it say about Elawady's specific claim?
Supports practice.
- Do the results apply to Germany and Europe?
Low.
- What can explicitly not be concluded from this study?
Harm to consumers.
Scientific in-depth review
1. Full reference
- Authors
- Abu-Elala N et al.
- Journal
- Lett Appl Microbiol
- Year
- 2015
- Identifier
- PMID 26280543 DOI 10.1111/lam.12484
- Verification
- verified – PubMed efetch 2026-10-25
- Retracted
- no
- Corrections
- none
- Extent checked
- abstract only
- Conflicts of interest and funding
not stated in abstract/record
2. Research question
Are Aeromonas from fish and chickens related; does untreated manure spread them?
3. Study design and population
- Study design
- Other – Microbiological comparison of Aeromonas isolates from tilapia and chickens
- Population
Nile tilapia, domestic fowl isolates
- Country
Egypt (authors' affiliation; country not stated in abstract)
- Period
published 2015
- Sample size
not stated
4. Methods and endpoints
- Exposure / intervention
Host
- Endpoints
Virulence genes, resistance, gyrB phylogeny
5. Actual results
- Results
Fish isolates A. hydrophila/A. veronii; chicken A. caviae; different resistance profiles. Significance statement: 'Many integrated fish farms depend on the application of poultry droppings/litter which served as a direct feed for the fish and also acted as pond fertilizers.'
- Absolute risks
not reported
- Authors' conclusion
Untreated poultry manure adds pressure on the fish's microbial environment.
6. Strengths
- Documents practice
7. Weaknesses
- Small microbiological study
8. Risk of bias
- Orienting tool
- none applicable
- Type of assessment
- simplified assessment (abstract only)
- Full formal assessment
- no
- Overall risk of bias
- not assessable
9. Assessment of the statistical interpretation
10. Relevance to the specific claim
C-FSH-12 (documents manure feeding in integrated farms).
11. Independent contrary findings
12. Transferability to Germany and Europe
Low.
13. Overall methodological judgement
Confirms the practice exists.
| Multidimensional assessment | |
|---|---|
| Authenticity of the source | verified |
| Methodological quality | low |
| Risk of bias | not assessable |
| Precision of results | not applicable |
| Directness | indirect |
| Reproducibility | unknown |
| Consistency with the overall evidence | unknown |
| Regional transferability | low |
| Adequacy of the interpretation (by the archive) | not applicable |
14. Open questions
Prevalence.