AUTHOR=Marzok Mohamed , Tharwat Mohamed TITLE=Fundamentals of diagnostic ultrasonography in sheep and goat medicine: a comprehensive illustrated overview JOURNAL=Frontiers in Veterinary Science VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2025.1562097 DOI=10.3389/fvets.2025.1562097 ISSN=2297-1769