Browsing Masters Degrees (Environmental Science) by Advisor "Guest, William Rupert."
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The history of ticks and tick-borne diseases in cattle in Natal and Zululand (KwaZulu-Natal) from 1896 to the present. (2001)The main objective oft his dissertation was to identify the causes of the rise of the tick population in KwaZulu-Natal in 1999. After 100 years of intensive chemical tick control, tick numbers remain high and the stock ...