Funding for this research was provided by:
Animal Health and Welfare ERA-Net (ID number 119)
Svenska Forskningsrådet Formas (942-2015-766)
Received: 20 February 2020
Accepted: 11 August 2020
First Online: 14 September 2020
Ethics approval and consent to participate
: The chicken experiment was carried out at the animal facilities at the National Veterinary Institute, approved for experimental animals by the Swedish Board of Agriculture. The experiment was approved by the Uppsala regional Ethical Committee for Animal Experiments, permit no. C46/16, according Swedish legislation and directives (SJVFS 2019:9 L 150) based on European Union legislation directive 2010/63/EU.
: The authors declare that they have no competing interests.