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    Dairy cattle -- Feeding and feeds (1)
    Dairy cows (1)
    Dissertation (M.Sc. (Zoology and Entomology))--University of the Free State, 2017 (1)
    Feedlot system (1)
    Feedlots (1)
    Free-choice mineral selection (1)
    Geophagy (1)
    Macro and micro elements (1)
    Mineral deficiency (1)
    Mineral supplement (1)