AUTHOR=Hodnik Jaka Jakob , Jankovec Marko , Ježek Jožica , Krušič Žiga , Mitterhofer Stefan , Starič Jože TITLE=Effects of UV-B light exposure during automatic milking on vitamin D levels in Holstein Friesian cows JOURNAL=Frontiers in Veterinary Science VOLUME=11 YEAR=2025 URL=https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2024.1433230 DOI=10.3389/fvets.2024.1433230 ISSN=2297-1769