Theiler, Arnold, Sir, 1867-1936Union of South Africa. Dept. of AgricultureDu Toit, P.J.Viljoen, P.R.Green, H.H.Meier, HansRobinson, E.M.2010-02-232010-02-231927Theiler, A 1927, 'Lamsiekte (Parabotulism) in cattle in South Africa : osteophagia and phophorus deficiency in relation to lamsiekte', 11th and 12th Reports of the Director of Veterinary Education and Research Part 2, pp.1211-1248.http://hdl.handle.net/2263/13209The journals have been scanned with a SupraScan 10000RGB scanner; 24-bit true colour, 400 dpi, saved in TIFF-format. Copies of the master images have been converted to black & white, 1-bitmap images and OCRed with ABBYY Fine Reader v.9 software. Adobe Acrobat v.9 was used for the merging and conversion to the final presentation PDF-format.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 experimentally by feeding cattle upon an artificial ration very low in phosphorus; Osteophagia may occur in over 80% of cattle grazing over a lamsiekte area for the biggest part of the year; Supplementary foods such as maize and lucerne do not reduce osteophagia unless it is very rich in phosphorus and fed in uneconomical amounts; Osteophagia can be reduced by phosphatic manuring of the pasture; 3oz. of sterilized bonemeal per head per day is sufficient to keep osteophagia at very low level; Phosphorus rich materials such as wheaten bran or suitable manufactured phosphates are also efficient in reducing osteophagia;Section 6 consists of 38 pages. Contains 13 charts. The tables referred to in this section are available in the Appendix. The section is uploaded as 2 files: 1927p2sect6a.pdf=p.1211-1230; 1927p2sect6b.pdf=p.1231-1248;en©Union of South Africa. Dept. of Agriculture (original). ©University of Pretoria. Dept. of Library Services (digital).Veterinary reportsVeterinary medicineSouth AfricaVeterinary experimentsPicaMineral deficiencyAbnormal cravingDepraved appetiteVeterinary medicine -- History -- South AfricaVeterinary medicine -- South AfricaCattle -- Diseases -- South AfricaTechnical Report