Sinclair™ Miniature Swine


    • First miniature swine stock developed specifically for research purposes
    • Developed by Hormel Institute at the University of Minnesota in 1949 by crossing four feral breeds; a Yorkshire boar later provided white hair color to the dark pigment animals
    • A portion of the original Sinclair herd was acquired with breeding rights by the University of Missouri, Columbia in 1965; a few additions of Sinclair miniature swine were made from satellite herds in the early 1970s
    • The colony was closed, named Sinclair S-1 miniature swine, and has been maintained since 1991 by least-related breeding program
    • Sinclair Bio Resources acquired complete production and research facilities from the University of Missouri, Columbia in 1994
    • The colony is fully-pedigreed


    • Slow growth rate
    • Smallest of the produced breeds
    • A variety of hair coat colors, including white
    • One lineage develops a malignant spontaneously regressing melanoma
    • Used as animal models in multiple research areas including but not limited to cardiovascular, musculoskeletal, urogenital, oncology (melanoma), immunology, reproduction toxicology, teratology, dermatology, gastroenterology, respiration, nutrition, and pediatrics

Talk to an expert!