Updates are available Correction dated 2021-10-21
Click to view Correction: https://0-doi-org.brum.beds.ac.uk/10.1186/s13567-021-00999-7
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Authors
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Funding
Funding for this research was provided by:
the Science and Technology research project of Ningxia Higher Education School (NGY2020007)
National Natural Science Foundation of China (31960652, 32060749)
key research and development project (talent introduction project) of ningxia hui autonomous region (2019BEB04002)
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Article History
Received: 22 November 2020
Accepted: 11 August 2021
First Online: 17 September 2021
Change Date: 21 October 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://0-doi-org.brum.beds.ac.uk/10.1186/s13567-021-00999-7
Declarations
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: The authors declare that they have no competing interests.
