1 Department of Animal Science, University of California-Davis, Davis, CA, 95616, USA.
2 Brazilian National Council for Scientific and Technological Development (CNPq) fellow, Brasilia, DF, 71605, Brazil.
3 Department of Medical and Clinical Genetics, and Department of Veterinary Biosciences, University of Helsinki, 00014 Helsinki, Finland; Folkhälsan Research Center, Helsinki, 00290, Finland.
4 Department of Animal Science, University of California-Davis, Davis, CA, 95616, USA. amoberbauer@ucdavis.edu.