Theiler, Arnold, Sir, 1867-1936; Du Toit, P.J.; Viljoen, P.R.; Green, H.H.; Meier, Hans; Robinson, E.M.; Union of South Africa. Dept. of Agriculture
(Pretoria : Government Printer and Stationery Office, 1927)
Results obtained from the experiments on osteophagia showed: The immediate cause of bovine osteophagia is a deficiency of phosphorus in the veld vegetation of soils very low in phosphorus content; Osteophagia can be produced ...