Browsing by Author "D Toit, Rene M."

Browsing by Author "D Toit, Rene M."

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  • Bedford, G.A.H.; Nieschulz, Otto; D Toit, Rene M.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)
    During the summer 1931/32 transmission experiments with bluetongue in sheep were carried out at Onderstepoort. Owing to lack of rain, the season was very unfavourable for our work. The result of a mosquito survey had ...