About the Authors

Roger Ros-Freixedes

rros@ca.udl.cat (RRF); jestany@ca.udl.cat (JE)

Affiliation Departament de Ciència Animal, Universitat de Lleida–Agrotecnio Center, Lleida, Catalonia, Spain

Sofia Gol

Affiliation Departament de Ciència Animal, Universitat de Lleida–Agrotecnio Center, Lleida, Catalonia, Spain

Ramona N. Pena

Affiliation Departament de Ciència Animal, Universitat de Lleida–Agrotecnio Center, Lleida, Catalonia, Spain

Marc Tor

Affiliation Departament de Ciència Animal, Universitat de Lleida–Agrotecnio Center, Lleida, Catalonia, Spain

Noelia Ibáñez-Escriche

Affiliations Departament de Ciència Animal, Universitat de Lleida–Agrotecnio Center, Lleida, Catalonia, Spain, IRTA, Genètica i Millora Animal, Lleida, Catalonia, Spain

Jack C. M. Dekkers

Affiliation Department of Animal Science, Iowa State University, Ames, Iowa, United States of America

Joan Estany

rros@ca.udl.cat (RRF); jestany@ca.udl.cat (JE)

Affiliation Departament de Ciència Animal, Universitat de Lleida–Agrotecnio Center, Lleida, Catalonia, Spain

Competing Interests

Three of the authors (JE, MT, and RNP) are named on the patent ES 2452791 B1 filed by University of Lleida on the use of markers of SCD for marker-assisted selective breeding in pigs. This does not alter the authors’ adherence to all PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JE. Performed the experiments: SG RNP MT. Analyzed the data: RRF. Wrote the paper: RRF RNP JE. Supervised the bioinformatics analyses and contributed valuable discussion: JCMD NIE. Contributed to the preparation of the final manuscript and to the scientific discussion: RRF SG RNP MT NIE JCMD JE.