Evidence map›Paper›PMID 26202662›Full record

ArticleBMC veterinary research2015

Outbreak of Marek's disease in a vaccinated broiler breeding flock during its peak egg-laying period in China.

Xinyu Zhuang, Haitao Zou, Huoying Shi, Hongxia Shao, Jianqiang Ye, Ji Miao, Genghua Wu, Aijian Qin

Abstract read
In one paragraph

Article in BMC veterinary research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
–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

23 citing papers in PubMed.

  1. Article
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  5. TheViruses · 2024
    Article
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  9. Article
  10. Development of monoclonal antibodies specific to Marek disease virus-Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc · 2022
    Article
  11. A Review on the Marek's Disease Outbreak and Its Virulence-RelatedAnimals : an open access journal from MDPI · 2022
    Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
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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

8 authors.

Xinyu ZhuangMinistry of Education Key Laboratory for Avian Preventive Medicine, Yangzhou University, No. 12 East Wenhui Road, Yangzhou, Jiangsu, 225009, P.R. China. ayu1838@qq.com.
Haitao ZouMinistry of Education Key Laboratory for Avian Preventive Medicine, Yangzhou University, No. 12 East Wenhui Road, Yangzhou, Jiangsu, 225009, P.R. China. feilinshiji@126.com.
Huoying ShiMinistry of Education Key Laboratory for Avian Preventive Medicine, Yangzhou University, No. 12 East Wenhui Road, Yangzhou, Jiangsu, 225009, P.R. China. hyshi@yzu.edu.cn.
Hongxia ShaoMinistry of Education Key Laboratory for Avian Preventive Medicine, Yangzhou University, No. 12 East Wenhui Road, Yangzhou, Jiangsu, 225009, P.R. China. hxshao@yzu.edu.cn.
Jianqiang YeMinistry of Education Key Laboratory for Avian Preventive Medicine, Yangzhou University, No. 12 East Wenhui Road, Yangzhou, Jiangsu, 225009, P.R. China. jqye@yzu.edu.cn.
Ji MiaoKey Laboratory of Jiangsu Preventive Veterinary Medicine, Yangzhou University, Yangzhou, 225009, P.R. China. miaoji.chn@gmail.com.
Genghua WuKey Laboratory of Jiangsu Preventive Veterinary Medicine, Yangzhou University, Yangzhou, 225009, P.R. China. wugenghua@aliyun.com.
Aijian QinMinistry of Education Key Laboratory for Avian Preventive Medicine, Yangzhou University, No. 12 East Wenhui Road, Yangzhou, Jiangsu, 225009, P.R. China. aijian@yzu.edu.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundOutbreaks of Marek's disease (MD), caused by Marek's disease virus (MDV), primarily occur in 10-12-week-old hens. CASE PRESENTATION: We report a case of MD in a breeding flock of 24-30-week-old vaccinated broilers in China. The clinical signs in the affected chickens appeared at 24 weeks, and the incidence of tumours peaked at 30 weeks. The morbidity and mortality of the hens were 5 % and 80 %, respectively. Hematoxylin-eosin staining of the tissues showed the typical characteristics of MD. MDV infection was confirmed in the hens with an agar gel diffusion precipitation assay for the MD antigen in the feather follicle epithelium. An MDV strain, designated AH1410, was isolated from the blood lymphocytes. Sequence analyses of the pp38, meq, and gB genes revealed that strain AH1410 had molecular features consistent with a virulent, previously identified MDV.

conclusionOur data provide evidence that not only is MDV becoming more virulent, but that the period of its onset in chickens is expanding. These findings provide the basis the molecular surveillance and further study of virulent MDV mutants and control strategies for MD in China.

Indexed as

ChickensOvipositionAnimalsChinaDisease OutbreaksFemaleMardivirusMarek DiseaseViral VaccinesVirulenceViral Vaccines

Identifiers

PMID26202662
PMCPMC4511970

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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.