Varona, Luis http://orcid.org/0000-0001-6256-5478
Altarriba, Juan
Moreno, Carlos
Martínez-Castillero, María
Casellas, Joaquim
Article History
Received: 8 March 2019
Accepted: 17 December 2019
First Online: 26 December 2019
Ethics approval and consent to participate
: Approval by an Animal Care and Use Committee was not required for this study because the analyses were performed on pre-existing data that had been collected under standard farm management practices from commercial breeders and administrated by the Pirenaica and Rubia Gallega breeding associations within the context of their breeding schemes.
: Not applicable.
: The authors declare that they have no competing interests.