https://actavetscand.biomedcentral.com/articles/10.1186/s13028-018-0434-0
https://actavetscand.biomedcentral.com/articles/10.1186/s13028-018-0432-2
https://actavetscand.biomedcentral.com/articles/10.1186/s13028-018-0433-1
https://actavetscand.biomedcentral.com/articles/10.1186/s13028-018-0435-z