AUTHOR=Knap Pieter W. TITLE=Estimated genetic trends in the lysine requirements of growing-finishing pigs and reproductive sows due to genetic trends in production traits JOURNAL=Frontiers in Animal Science VOLUME=5 YEAR=2025 URL=https://www.frontiersin.org/journals/animal-science/articles/10.3389/fanim.2024.1401514 DOI=10.3389/fanim.2024.1401514 ISSN=2673-6225