Funding for this research was provided by:
Swedish Board of Agriculture (6.2.18-14284/2018)
Received: 10 February 2020
Accepted: 15 June 2020
First Online: 22 June 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. The data have been discussed with the breeding companies and the SPMA and they have been informed about, but have not had any influence on, the content of the manuscript.