ArticleFrontiers in veterinary science2026
Epidemiological investigation and whole-genome genetic characterization of duck circovirus in Shandong Province of eastern China.
Article in Frontiers in veterinary science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Duck circovirus (DuCV) is a contagious immunosuppressive pathogen in duck populations, causing severe economic losses in the global waterfowl breeding industry. Shandong Province is a major duck-producing region in China, with one of the country's largest duck populations. Methods: In this study, we systematically investigated the prevalence, genetic characteristics, and major proteins of DuCV strains found in Shandong Province. A total of 630 cloacal swab samples were collected from more than 60 duck farms across 17 cities of Shandong province in 2023. Duck circovirus and other common duck pathogens were detected by the polymerase chain reaction (PCR) method. Whole-genome sequencing was further performed to acquire three representative complete DuCV genome sequences, followed by comprehensive phylogenetic and genotypic analyses. Results: The positive rate for duck circovirus was 12.54% (79/630), with variation in detection rates among the sampled cities. Conclusion: This study provides updated epidemiological survey data and genetic information on DuCV in Shandong Province, China, which provides reference data for further research on the prevention and control of DuCV infection.
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