Epidemiological investigation of Trichomonas gallinae in beijing, China

Trichomonas gallinae is a globally distributed protozoan parasite that causes avian trichomoniasis, leading to significant morbidity and mortality in birds. The present study aims to investigate the prevalence, genetic diversity, and phylogenetic relationship of T. gallinae in various bird species i...

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Bibliographic Details
Published in:International journal for parasitology. Parasites and wildlife 2024-08, Vol.24, p.100957, Article 100957
Main Authors: Jing, Shengfan, Li, Yi, Li, Qiaoqiao, Huang, Yanyi, Han, Shuyi, Zhang, Qingxun, Fan, Jinghui, He, Hongxuan
Format: Article
Language:English
Subjects:
Bird species
birds
China
epidemiological studies
genetic variation
Genotype
host range
mortality
parasites
parasitology
pathogens
Phylogeny
species
Trichomonas gallinae
trichomoniasis
wildlife
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Summary:Trichomonas gallinae is a globally distributed protozoan parasite that causes avian trichomoniasis, leading to significant morbidity and mortality in birds. The present study aims to investigate the prevalence, genetic diversity, and phylogenetic relationship of T. gallinae in various bird species in Beijing. A total of 413 oropharyngeal swab samples were collected from domestic pigeons, wild pigeons, and other bird species. The overall prevalence of T. gallinae infection was 32.0% (132/413). The infection was detected in domestic pigeons, wild pigeons, and red-necked turtledoves, but not in other wild birds. Molecular analysis identified two predominant genotypes, A and B, with genotype A found in wild pigeons and genotype B found in domestic pigeons. The present study provides valuable insights on the prevalence and genetic diversity of T. gallinae in Beijing. This can be useful for understanding its pathogen distribution and host range, and the development of strategies for the prevention and control of avian trichomoniasis. [Display omitted] •First investigation on T. gallinae prevalence and genotypes in wild birds in Beijing.•Two predominant T. gallinae genotypes identified, with implications for treatment strategies.•Higher infection rates in nestling birds, particularly domestic pigeons, compared to adults.•Insights into the epidemiology and genetics of T. gallinae in Beijing, with conservation implications.•Novel findings on the impact of environmental factors, such as supplementary food sources, on T. gallinae transmission.
ISSN:2213-2244
2213-2244
DOI:10.1016/j.ijppaw.2024.100957