Steyn, D.G.Union of South Africa. Dept. of Agriculture2010-03-232010-03-231928Steyn, DG 1928, 'Preliminary report on a South African virus disease amongst pigs', 13th and 14th Reports of the Director of Veterinary Education and Research Part 1, pp. 415-430.http://hdl.handle.net/2263/13648The 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.16 p.en©Union of South Africa, Dept. of Agriculture (original). ©University of Pretoria. Dept. of Library Services (digital).Veterinary reportsVeterinary medicineSouth AfricaAnimal diseasesSwineKoedoesrandDisease experimentsVeterinary medicine -- History -- South AfricaVeterinary medicine -- South AfricaSwine -- Diseases -- South AfricaSwine -- Virus diseases -- South AfricaPreliminary report on a South African virus disease amongst pigsTechnical Report