ArticleVeterinary world2025
Development and application of a quantitative polymerase chain reaction assay for the detection and genotyping of bovine leukemia virus in cattle from Kazakhstan.
Article in Veterinary world, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
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Who cites it
1 citing paper in PubMed.
- Inherited Disorders and Disease-Resistance Genomics in Kazakhstan Ruminants: Evidence, Limits and Breeding Priorities.International journal of molecular sciences · 2026Review
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background and Aim: Bovine leukemia virus (BLV) is a globally distributed retrovirus that causes enzootic bovine leu-kosis, a chronic infection associated with significant economic losses in cattle. Conventional serological diagnostic tools such as agar gel immunodiffusion and enzyme-linked immunosorbent assay detect anti-BLV antibodies but cannot identify proviral DNA, especially in early infections or in calves with maternal antibodies. This study aimed to develop a sensitive and specific duplex quantitative polymerase chain reaction (qPCR) assay targeting the Materials and Methods: A total of 1,680 bovine DNA samples from cattle aged over 3 years were collected from six administrative regions of Kazakhstan. A duplex qPCR assay was developed using primers targeting a conserved region of the BLV Results: The developed qPCR assay demonstrated a sensitivity of 20 plasmid copies for the Conclusion: The duplex qPCR assay is a robust, sensitive, and cost-effective diagnostic tool for detecting BLV provirus, including in animals with maternal antibodies or early-stage infections. The regional genotypic distribution underscores the need for tailored control strategies. This molecular surveillance provides essential baseline data for national BLV eradication programs and contributes to global BLV epidemiological mapping.
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