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Authors
Wallgren, Per
Johansson, Sven-Erik
Kirk, Mikael
Mattsson, PerArne
Lindahl, Lena
Zoric, Mate
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Funding
Funding for this research was provided by:
Swedish University of Agricultural Sciences
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Article History
Received: 18 June 2025
Accepted: 15 November 2025
First Online: 4 December 2025
Declarations
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: Since the project did not interfere with the daily life of the sows, apart from filming, an official animal ethics approval was not required.
: Not applicable.
: The authors declare that they have no competing interests.
