Olstad, Kristin
Aasmundstad, Torunn
Kongsro, Jørgen
Grindflek, Eli
Article History
Received: 31 August 2021
Accepted: 23 November 2021
First Online: 18 January 2022
Declarations
:
: The study did not involve any live vertebrates, but rather was based on retrospective analysis of data from routine performance testing as part of the meat production chain in Norway. When they were alive before this study, all pigs were kept in accordance with the national laws and regulations (Animal Welfare Act LOV-2021-06-18-134; Regulations for the keeping of pigs in Norway FOR-2020-06-10). Pig owners consented to pigs being performance tested and to data being used for research. The study was approved by the institution ethical committee (Ref. 14/04723–68).
: Not applicable.
: The authors declare that they have no competing interests.