Jahn, Laura
Grahofer, Alexander
Article History
Received: 29 June 2023
Accepted: 23 November 2023
First Online: 7 December 2023
Declarations
:
: This study was discussed and approved by the cantonal ethics and animal welfare committee of Bern (License No. SO 02/2020; No. 33057). Each participant signed a consent for participation.
: The pig producers accepted by signature on a written consent that data is used for publication.
: The authors declare that they have no competing interests. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.