Evidence map›Paper›PMID 29491247›Full record

ArticleMicrobes and environments2018

Differential Distribution of Salmonella Serovars and Campylobacter spp. Isolates in Free-Living Crows and Broiler Chickens in Aomori, Japan.

Masashi Okamura, Miyuki Kaneko, Shinjiro Ojima, Hiroki Sano, Junji Shindo, Hiroaki Shirafuji, Satomi Yamamoto, Taishi Tanabe, Yasuhiro Yoshikawa, Dong-Liang Hu

Abstract read
In one paragraph

Article in Microbes and environments, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  4. A Systematic Review on the Role of Wildlife as Carriers and Spreaders ofAnimals : an open access journal from MDPI · 2023
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Masashi OkamuraLaboratory of Zoonoses, Kitasato University School of Veterinary Medicine.
Miyuki KanekoLaboratory of Zoonoses, Kitasato University School of Veterinary Medicine.
Shinjiro OjimaLaboratory of Zoonoses, Kitasato University School of Veterinary Medicine.
Hiroki SanoLaboratory of Zoonoses, Kitasato University School of Veterinary Medicine.
Junji ShindoLaboratory of Wildlife Science, Kitasato University School of Veterinary Medicine.
Hiroaki ShirafujiSubtropical Disease Control Unit, Division of Transboundary Animal Diseases, Kyusyu Research Station, National Institute of Animal Health, National Agriculture and Food Research Organization.
Satomi YamamotoLaboratory of Microbiology, Kitasato University School of Veterinary Medicine.
Taishi TanabeLaboratory of Microbiology, Kitasato University School of Veterinary Medicine.
Yasuhiro YoshikawaFaculty of Risk and Crisis Management, Chiba Institute of Science.
Dong-Liang HuLaboratory of Zoonoses, Kitasato University School of Veterinary Medicine.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Salmonella and Campylobacter cause foodborne enteritis mainly via the consumption of raw/undercooked contaminated poultry meat and products. Broiler flocks are primarily colonized with these bacteria; however, the underlying etiology remains unclear. The present study was conducted in order to obtain further information on the prevalence and genotypic distribution of Salmonella and Campylobacter in free-living crows and broiler flocks in a region for 2 years, thereby facilitating estimations of the potential risk of transmission of C. jejuni from crows to broiler flocks. Salmonella serovars Bredeney and Derby were isolated from 8 and 3 out of 123 captured crows, respectively, both of which are not common in broiler chickens. Campylobacter were isolated from all 89 crows tested and C. jejuni was prevalent (85 crows). Pulsed field gel electrophoresis showed broad diversity in the crow isolates of C. jejuni. However, 3 crow isolates and 2 broiler isolates showing similar banding patterns were assigned to different sequence types in multi-locus sequence typing. These results indicate that crows do not share Salmonella serovars with broilers, and harbor various genotypes of C. jejuni that differ from those of broiler flocks. Thus, our results indicate that crows are not a potential vector of these bacteria to broiler flocks in this region.

Indexed as

AnimalsCampylobacterCampylobacter InfectionsChickensCrowsElectrophoresis, Gel, Pulsed-FieldGenotypeJapanMultilocus Sequence TypingPolymerase Chain ReactionPolymorphism, Restriction Fragment LengthPoultryPrevalenceSalmonellaSalmonella Infections, AnimalSerogroupbroilersCampylobactercrowsSalmonella

Identifiers

PMID29491247
PMCPMC5877346

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.