Czycholl, I.
Büttner, K.
Becker, D.
Schwennen, C.
Baumgärtner, W.
Otten, W.
Wendt, M.
Puff, C.
Krieter, J.
Article History
Received: 29 November 2022
Accepted: 27 March 2023
First Online: 9 May 2023
Declarations
:
: All pigs were farmed according to the national standards. Animal husbandry was in accordance with European and national law (in particular: EU directive 98/58/EC, “German Animal Welfare Act” (German designation: TierSchG), “German Order for the Protection of Production Animals used for Farming Purposes and other Animals kept for the Production of Animal Products" (German designation: TierSchNutztV). With the identification of a biter, the biters and the chosen controls became experimental animals. Handling and treatment were in accordance with the European directive 2010/63/EC, the “German Animal Welfare Act” (German designation: TierSchG) and the “German order for the protection of animals in animal experiments” (German designation: TierSchVersV). The national animal research authority approved the experiment (V241 – 10950/2017 (44-4/17)).
: The authors declare no competing interests.