ArticleVeterinary sciences2025
Update on the Prevalence of the PCV2 Major Genotypes PCV2a, PCV2b, and PCV2d in German Fattening Farms in 2024.
Article in Veterinary sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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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.
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.
Who cites it
2 citing papers in PubMed.
- Outbred mice as an appropriate model for evaluating the immunogenicity of vaccines against porcine circovirus 2.Open veterinary journal · 2026Article
- Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
The occurrence of PCV2 genotypes in domestic pig production is a dynamic process that undergoes continuous change. Beginning with PCV2a as the first recognized genotype, PCV2b, and subsequently PCV2d, has become the most prevalent one over time. The present study provides an update on the prevalence of the three major PCV2 genotypes in Germany in 2024. A total of 87 fattening farms were randomly selected, proportionally based on farm density within the respective federal states. On each farm, oral fluid samples (OFs) were collected from approximately 100 pigs aged 18 (±1) weeks. Oral fluids (OFs) were pooled and screened for PCV2 DNA by qPCR. Positive samples were subsequently examined by genotype specific qPCR. In total, 31.0% (27/87) of all farms were identified as PCV2-positive. PCV2a was detected in 8.0% (7/87) of farms, while 3.4% (3/87) tested positive for both PCV2a and PCV2d. Overall, 11.5% (10/87) of all farms were PCV2d-positive. No significant effect of vaccination status of the pigs on the viral load or frequency of detection of PCV2 DNA was detected.
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Registered trials
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.