Funding for this research was provided by:
Agencia Estatal de Investigación (BES-2014-070560, SEV-2015-0533, AGL2013-44978-R, AGL2017-86946-R, EEBB-I-18-12860)
European Regional Development Fund (AGL2017-86946-R)
Agència de Gestió d'Ajuts Universitaris i de Recerca (2017 SGR 1060, 2014 SGR 1528)
Generalitat de Catalunya (cerca programme)
Received: 2 April 2020
Accepted: 24 November 2020
First Online: 8 December 2020
Ethics approval and consent to participate
: The ejaculates obtained from pigs were privately owned for non-research purposes. The owners provided consent for the use of these samples for research. Specialized professionals at the farm obtained all the ejaculates and blood following standard routine monitoring procedures and relevant guidelines.
: Not applicable.
: The authors declare that they have no competing interests.