What does this research mean for the field?

Multiple genotypes of parrot bornavirus (PaBV-2, PaBV-4, and PaBV-5) co-circulate within captive parrot facilities in Guangdong, China, with an overall prevalence of 3.17% among tested individuals. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the virome composition, prevalence, and genetic diversity of parrot bornaviruses circulating among captive parrot populations in Guangdong Province, China.

September 8, 2026BMC Veterinary ResearchOpen Access

Molecular epidemiology of parrot bornaviruses in Guangdong, China: co-circulation of three genotypes in captive parrots

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Authors

PZPian Zhang JCJing Chen NLNa Li

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Overview

Molecular epidemiological study uncovers co-circulation of three parrot bornavirus genotypes in captive parrots, highlighting transmission risks in breeding facilities.

Key Points

To evaluate the virome composition, prevalence, and genetic diversity of parrot bornaviruses circulating among captive parrot populations in Guangdong Province, China.
Screened captive parrots (N=442) across Guangdong Province using individual-level RT-PCR alongside viral metagenomic sequencing on selected pooled samples.
Performed whole-genome amplification and phylogenetic analysis on positive specimens to determine genotype distribution and evolutionary relationships.
Metagenomic sequencing identified 25 viral families, yielding 65 contigs annotated as parrot bornavirus (PaBV).
Overall PaBV positivity was 3.17% (14/442), with all 14 positive birds originating from deceased parrots in Jiangmen City, representing a 25.0% (14/56) positivity rate among deceased birds.
Identified eight complete genomes across three distinct genotypes (one PaBV-2, three PaBV-4, and four PaBV-5) that shared 64.6% to 100% pairwise nucleotide identity and clustered closely with global reference strains.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a9fd7e758e84d0ff5b46f52 https://doi.org/10.1186/s12917-026-05885-y

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September 8, 2026BMC Veterinary ResearchOpen Access

Molecular epidemiology of parrot bornaviruses in Guangdong, China: co-circulation of three genotypes in captive parrots

View Full Paper

Ask AI

Bookmark

Authors

PZPian Zhang JCJing Chen NLNa Li

Discussion

Member takes

Overview

Molecular epidemiological study uncovers co-circulation of three parrot bornavirus genotypes in captive parrots, highlighting transmission risks in breeding facilities.

Key Points

To evaluate the virome composition, prevalence, and genetic diversity of parrot bornaviruses circulating among captive parrot populations in Guangdong Province, China.
Screened captive parrots (N=442) across Guangdong Province using individual-level RT-PCR alongside viral metagenomic sequencing on selected pooled samples.
Performed whole-genome amplification and phylogenetic analysis on positive specimens to determine genotype distribution and evolutionary relationships.
Metagenomic sequencing identified 25 viral families, yielding 65 contigs annotated as parrot bornavirus (PaBV).
Overall PaBV positivity was 3.17% (14/442), with all 14 positive birds originating from deceased parrots in Jiangmen City, representing a 25.0% (14/56) positivity rate among deceased birds.
Identified eight complete genomes across three distinct genotypes (one PaBV-2, three PaBV-4, and four PaBV-5) that shared 64.6% to 100% pairwise nucleotide identity and clustered closely with global reference strains.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a9fd7e758e84d0ff5b46f52 https://doi.org/10.1186/s12917-026-05885-y

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