Cameron_11-12.indd INTRODUCTION When contemplating the history of botulism (lam- siekte) in South Africa, one of the first realizations is that the initial observations were not done by scien- tists or veterinarians but by travellers such as Le Vaillant in 1881 (Le Vaillant 1896). This was followed by the visits and reports by Lichtenstein (1812), a medical doctor, James Bleckhouse, an evangelist and Professor Ferdinand Strauss from Stuttgart, who all noted peculiar grazing behaviour (Gutsche 1979). They must have been shocked by the revela- tion of the hot, dusty and dry climate as well as the prevailing poverty in the north-western parts of South Africa. The important concept to learn and remem- ber from this phase is that all research starts by ob- servation astute and deductive—and this led the government of the time to realise that lamsiekte was not only a disease or aberration but a serious com- munity problem. This in turn led to a more formal approach by the Cape Government who obtained the services of Brentford and Hollier-Little and ap- pointed Duncan Hutcheon at Port Elizabeth in 1880. In cooperation with Gammack and Jotello Soga, working in Kimberley, it was established that lam- siekte and stiffsickness were the same condition; both associated with malnutrition. EARLY RESEARCH Further research was subsequently done by Spreull at Koopmansfontein and Borthwick in Grahamstown. Progress was, however, impeded by the disruption caused by the Anglo-Boer war (1899–1902). The complexity of the condition was nevertheless real- ized. Frei was of the opinion that the condition was caused by an infectious agent whereas Burtt-Davey believed that a toxic plant was involved, a theory that was initially shared by Theiler. In the meantime the disease continued to cause cattle losses in the Vryburg area and Bechuanaland (now Botswana). A turning point came in 1911 that was instigated by Charles Butler. He revived the Bechuanaland farm- 11 Onderstepoort Journal of Veterinary Research, 76:11–12 (2009) A brief history of botulism in South Africa C.M. CAMERON South African Veterinary Association, P.O. Box 25033, Monument Park, 0105 South Africa ABSTRACT CAMERON, C.M. 2009. A brief history of botulism in South Africa. Onderstepoort Journal of Veterinary Research, 76:11–12 When looking back into the history of botulism and contemplating the final understanding of the syn- drome and the ultimate solutions, there are four facets that stand out clearly. The first is that much of the solution was guided by astute observations, curious travellers, committed veterinarians and par- ticularly farmers themselves who were able to relate the occurrence of the condition to climatic and grazing conditions. Secondly, there was the identification of the osteophagia and pica syndrome which led to the feeding of bone-meal as a successful mitigating measure as well as the establish- ment that botulism was not due to a plant poisoning. Thirdly, the solution of the problem depended on the integration of experience and knowledge from diverse disciplines such as soil science, animal behaviour and husbandry, nutrition, botany and ultimately advanced bacteriology and the science of immunology. Finally it required the technical advancement to produce toxoids in large quantities and formulate effective aluminium hydroxide precipitated and oil emulsion vaccines. 12 History of botulism in South Africa ers association and persuaded the authorities to take action. A meeting was held at Vryburg on 8 June 1911 where J. Burtt-Davey (Government Botanist) gave a lecture, Arnold Theiler addressed the farm- ers and they in turn made the farm “Armoedsvlakte” as well as cattle available for feeding experiments. This new initiative gave rise to further intensive re- search inter alia by the Swiss botanist Marguerite Henrici in 1914. P.R. Viljoen, previously from the Allerton Laboratory in Natal, was also transferred to “Armoedsvlakte” in 1914. But once again, progress was impeded by human conflict—both collectively and individually. The major element was the out- break of the First World War and the reticence of government to purchase “Armoedsvlakte”. This situ- ation was compounded by the resignation of Arnold Theiler but he fortunately reassumed duty after ne- gotiations and was assigned to “Armoedsvlakte” in 1919. Concomitantly PH de Kock became president of the farmers union and actively propagated the employment of a chemist and botanist. THE FINAL SOLUTION Within days of being posted to “Armoedsvlakte” Thei ler, through astute and intensive observations, conceived his theory which he recorded as follows: “Soil and vegetation deficient in phosphorus (remediable with phosphatic manuring) pro- duced pica or osteophagia in cattle compel- ling them to find phosphorous in putrid bones and carcase material (remediable by feeding bone meal and other phosphor-rich material). The position in carrion of all sorts (dead meer- kats, spring-hares, ostriches, tortoises, house- hold refuse, etc.)—a toxiogenic saprophyte (later identified as the cause of a form of bot- ulism) could be eliminated by clearing pastur- age of all such material” (Gutsche 1979)”. Based on this perception, initial solutions were de- veloped of which feeding of bone-meal and phos- phate was the most important. The transfer of Rob- inson to Onderstepoort from Allerton would herald the research that ultimately established the relation- ship between consumption of carrion and intoxica- tion by the Clostridium botulinum exotoxin. In his 12th report, Theiler highlights the contributions by P.R. Viljoen, H.H. Green, P.J. du Toit and E.M. Robinson (Theiler 1927). The first isolation of Clos- tridium botulinum was accomplished by Du Toit and Rob inson in 1928 and the final identification was achieved by Robinson in 1930. An effective vaccine was produced by Mason (Mason, Steyn & Bisschop 1938) and refined by Jansen (1971a, b) and Jansen, Knoetze & Visser (1976). A fundamental truth emanating from this review is that a final solution required integration of indigenous knowledge, experience and observations of farmers with disciplines such as epidemiology, botany, toxi- cology, pathology and bacteriology. This observation is ultimately in harmony with the current philosophical perspective of: “One world, one medicine, one health”. REFERENCES GUTSCHE, T. 1979. There was a man. The life and times of Sir Arnold Theiler K.C.M.G. of Onderstepoort. Cape Town: How- ard Timmins. JANSEN, B.C. 1971a. The toxic antigenic factors produced by Clostridium botulinum types C & D. Onderstepoort Journal of Veterinary Research, 38:93–98. JANSEN, B.C. 1971b. The quantitative determination of the toxic factors produced by Clostridium botulinum (Van Ermengen, 1886) types C & D. Onderstepoort Journal of Veterinary Re- search, 38:177–180. JANSEN, B.C., KNOETZE, P.C. & VISSER, F. 1976. The anti- body response of cattle to Clostridium botulinum types C and D toxoids Onderstepoort Journal of Veterinary Research, 43: 165–174. LE VAILLANT, F. 1896. Travels into the interior parts of Africa. Vol II. Earliest reports. LICHTENSTEIN, M.H.K. 1812. Trav els in Southern Africa in the years 1803–1808 (English edition). Van Riebeeck Society. MASON, J.H., STEYN, H.P. & BISSCHOP, J.H.R. 1938. The im- munization of bovines against lamsiekte. Journal of the South African Veterinary Medical Association, 9:65–70. ROBINSON, E.M. 1930. The bacteria of the Clostridium botuli- num C and D types. Sixteenth report of the Director of Vet er- inary Services. Union of South Africa. THEILER, A. 1927. Lamsiekte (parabotulism) in cattle in South Africa. 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