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Article History

Received: 30 January 2023

Accepted: 17 June 2023

First Online: 22 June 2023

Declarations

:

: The authors declare that they have no competing interests.

: Not applicable.

: This study did not require official or institutional ethical approval. Herds were sampled according to an annual nationwide plan of monitoring programmes for animal diseases.

: Data have not been published previously.