• A study of the mineral content and feeding value of natural pastures in the Union of South Africa. Second report 

  Du Toit, P.J.; Malan, A.I.; Louw, J.G.; Holzapfel, C.R.; Roets, G.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)
• Subject index 

  Anonymous; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)
• Researches into dips and dipping. C. Miscellaneous : the effect of dosing aloes to tick-infected cattle 

  Bedford, G.A.H.; Wilken-Jorden, T.J.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)

  The tests demonstrated that single doses of from 8 to 15 dr. aloes and daily doses for five days of from 30 to 60 gm. aloes to cattle do not cause ticks to leave their hosts, and no dead ticks were found on the animals. ...
• Author index 

  Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Pretoria : Union of South Africa, Dept. of Agriculture, 1934)
• Studies in mineral metabolism. XXX. Variations in the iodine content of grasses at different stages of growth and a note on the iodine content of milk 

  Blom, I.J.B.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)
• Studies in mineral metabolism. XXXI. Minimum mineral requirements of cattle. Second report 

  Du Toit, P.J.; Malan, A.I.; Groenewald, J.W.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)
• A statistical analysis of growth and carcase measurements of baconers 

  Murray, G.N.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)

  No abstract available.
• Investigations into the transmission of bluetongue in sheep during the season 1931/1932 

  Bedford, G.A.H.; Nieschulz, Otto; Du 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 ...
• Researches into dips and dipping. A. Lime-sulphur dips. Paper IV. Further studies on the colorimetric method as a rapid means of control of polysulphide solutions 

  Wilken-Jorden, T.J.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)

  As a continuation of the preliminary study of the colorimetric method as a rapid means of control of polysulphide solutions, the effect of free alkali on sodium polysulphide solutions at room temperature was studied, since ...
• The occurrence and identification of bluetongue in cattle - the so-called pseudo-foot and mouth disease in South Africa 

  Bekker, J.G.; De Kock, G.v.d.W.; Quinlan, J.B.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)
• Researches into dips and dipping. D. Effects of dips on wool. Paper I. The effect of arsenical dips on wool 

  Hambrock, H.A.; Wilken-Jorden, T.J.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)

  The effect of the two arsenical dips, viz.: Cooper's powder dip and sodium arsenite, on the fleece has been studied from several angles. The process of dipping, results in the leaching out of suint constituents, thereby ...
• South African ticks : part I 

  Bedford, G.A.H.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)

  No abstract available.
• Chemical blood studies. VI. A serial study over a 12 month period of some organic constituents in "laked" and "unlaked" blood filtrates of healthy sheep (Merino) of various ages 

  Hamersma, P.J.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)

  1. "Laked" and "unlaked" blood filtrates of 23 sheep of various ages were analysed. 2. The blood analyses were done over a period of 15 months in the case of 20 sheep, and 11 months in the case of 3 lambs. The same animals ...
• A note on the cultivation of anaerobes 

  Mason, J.H.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)

  1. A method of obtaining and sterilising a serum-haemolysed-cell-mixture is described. 2. Its growth stimulating effect on anaerobes is noted. 3. Boiled alkalised serum and serum-cells have no growth stimulating action ...
• Researches into dips and dipping. A. Lime-sulphur dips. Paper V. The minimum effective concentration of lime-sulphur dips for sheep scab eradication 

  Bedford, G.A.H.; Wilken-Jorden, T.J.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)

  The tests demonstrate that lime-sulphur dips used at a strength varying between 0.9 and 0.3 per cent. polysulphide sulphur may be effective in curing sheep of scab when badly infected. When used at a lower concentration ...
• Studies in mineral metabolism XXVIII. Methods for the micro-determination of iodine in biological material 

  Blom, I.J.B.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)

  Micro-analytical methods for the determination of iodine in biological substances are discussed and the efficiency of the nickel dish method compared with that of the dry oxidation in a closed system. It is shown that under ...
• Studies in mineral metabolism XXVII. Modifications of the methods used at Onderstepoort for the determination of (a) magnesium and calcium; (b) potassium in grass-extracts 

  Holzapfel, C.R.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)

  A modified method for determining calcium and magnesium in grass-extracts is described, and the effect of iron on the original magnesium determination illustrated. Also, a modification of the washing mixture substituting ...
• Chase Valley disease. Cestrum laevigatum Schlecht. (Inkberry plant), its toxic effects on ruminants 

  Thorburn, J.A.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)

  In this paper the symptoms and lesions of an acute plant poisoning occurring near Pietermaritzburg, Natal, are described. The cause was found to be the green leaves and berries of the inkberry plant, Cestrum Laevigatum ...
• Studies in sex physiology. No. 10 : the situation of the developing foetus in the Merino sheep 

  Curson, H.H.; Quinlan, J.B.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)

  The authors were able to make use of a large amount of material from Merino ewes which had been used for fertility experiments by Quinlan and co-workers. They concluded that, not only in the ewe but also in the mare and ...
• The immunization of horses and mules against horsesickness by means of the neurotropic virus of mice and guinea pigs 

  Alexander, R.A.; Du Toit, P.J.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)

  Details of the results obtained from the injection of horses and mules with neurotropic mouse and guinea pig adapted virus are given. It is shown that the virulence of horsesickness virus progressively decreases for equines ...

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