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Seroprevalence of porcine bocavirus in pigs in north-central China using a recombinant-NP1-protein-based indirect ELISA

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Abstract

Porcine bocavirus (PBoV), which belongs the genus Bocaparvovirus, has been identified throughout the world. However, serological methods for detecting anti-PBoV antibodies are presently limited. In the present study, an indirect enzyme-linked immunosorbent assay (PBoV-rNP1 ELISA) based on a recombinant form of nucleoprotein 1 (NP1) of PBoV was established for investigating the seroprevalence of PBoV in 2025 serum specimens collected in north-central China from 2016 to 2018, and 42.3% of the samples tested positive for anti-PBoV IgG antibodies, indicating that the seroprevalence of PBoV is high in pig populations in China.

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Acknowledgements

Thanks to Professor Yuzhong Ma for providing the necessary equipment for protein identification, and Dr. Hongwei Yu for performing the inter-laboratory reproducibility test at Ringpu Biological Research Institute.

Funding

This research was supported by the Program of the Modern Agriculture Industry Technology System Foundation of Hebei Province (HBCT2018110207), the Science and Technology Innovation Program of Hebei Province for Graduate Students (CXZZSS2018058, CXZZBS2019095), and the Innovation Fund for Technology-Based Firms of Hebei Province, China (17C1303111001).

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Correspondence to Jing-Hui Fan or Yu-Zhu Zuo.

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Shi, QK., Zhang, JL., Gu, WY. et al. Seroprevalence of porcine bocavirus in pigs in north-central China using a recombinant-NP1-protein-based indirect ELISA. Arch Virol 164, 2351–2354 (2019). https://doi.org/10.1007/s00705-019-04325-7

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  • DOI: https://doi.org/10.1007/s00705-019-04325-7

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