Funding for this research was provided by:
Svenska Forskningsrådet Formas (Dnr 2016-00703)
Jordbruksverket (Dnr 2016/909)
Received: 13 March 2020
Accepted: 12 July 2020
First Online: 29 July 2020
Ethics approval and consent to participate
: This study did not require official or institutional ethical approval. The animals were handled according to high ethical standards and national legislation.
: Not applicable.
: The authors declare that they have no competing interests.