AUTHOR=Steele Edward J. TITLE=Commentary: Past, present, and future of epigenetics applied to livestock breeding — Hard versus Soft Lamarckian Inheritance Mechanisms JOURNAL=Frontiers in Genetics VOLUME=7 YEAR=2016 URL=https://www.frontiersin.org/journals/genetics/articles/10.3389/fgene.2016.00029 DOI=10.3389/fgene.2016.00029 ISSN=1664-8021