• The blood of the ostrich 

  De Villiers, O.T.; Du Toit, P.J. (Pretoria : The Government Printer, 1938)

  1. Methods are described for collecting blood and preparing smears from the ostrich. 2. Ostrich blood usually has a very prolonged coagulation time and often it fails to coagulate if drawn directly from a blood vessel ...
• Subject index 

  Anonymous; Du Toit, P.J. (Pretoria : The Government Printer, 1938)
• Plant proteins. VI. The amino acid deficiencies in certain plant proteins 

  Smuts, D.B.; Marais, J.S.C.; Du Toit, P.J. (Pretoria : The Government Printer, 1938)

  By means of the paired feeding method, the possible indispensable amino acid deficiencies of peanutmeal, coprameal, linseedmeal and soyabeanmeal have been investigated. It has been found that peanutmeal is not deficient ...
• Plant proteins. V. The biological value of lucerne and lucerne supplemented by cystine in sheep 

  Smuts, D.B.; Marais, J.S.C.; Du Toit, P.J. (Pretoria : The Government Printer, 1938)

  1. By means of the balance-sheet method, it has been shown that the biological value of lucerne protein for sheep is 60 and that the addition of cysteine does not effect this biological value. 2. The apparent digestibility ...
• Plant proteins. IV. The biological values of soyabeans, linseedmeal and soyabeans supplemented by cystine 

  Smuts, D.B.; Marais, J.S.C.; Du Toit, P.J. (Pretoria : The Government Printer, 1938)

  By means of the nitrogen balance-sheet method a biological value of 55 for soyabeans and 78 for linseedmeal at approximately 8 per cent. level has been obtained. Utilizing the same method, and substituting an equivalent ...
• Author index 

  Anonymous; Du Toit, P.J. (Pretoria : The Government Printer, 1938)
• Coproporphyrin excretion in East Coast Fever of cattle 

  Roets, G.C.S.; Du Toit, P.J. (Pretoria : The Government Printer, 1938)

  1. Coproporphyrin I and coproporphyrin III were isolated from the faeces and urine of cattle suffering from East Coast Fever. 2. The ratio of the I to the III series in the faeces of one animal was 1 : 1.15, whilst in that ...
• Studies on the alimentary tract of Merino sheep in South Africa. V. The motility of the rumen under various conditions 

  Quin, J.I.; Van der Wath, J.G.; Du Toit, P.J. (Pretoria : The Government Printer, 1938)

  Experiments conducted on sheep with ruminal fistula have shown that normal ruminal movement may undergo very considerable variations from any rhythm that may be temporarily established. In this respect it is essentially ...
• Studies on the alimentary tract of Merino sheep in South Africa. IV. Description of experimental technique 

  Quin, J.I.; Van der Wath, J.G.; Myburgh, S.; Du Toit, P.J. (Pretoria : The Government Printer, 1938)

  1. The importance is stressed of a more intensive study of digestion in ruminant animals, whose food, apart from being disintegrated by enzymes liberated from the digestive tract itself, is first of all subjected to a ...
• The isolation of Cl. welchii, type B, from foals affected with dysentery 

  Mason, J.H.; Robinson, E.M.; Du Toit, P.J. (Pretoria : The Government Printer, 1938)

  An outbreak of dysentery in foals is recorded. The symptoms and post-mortem lesions have much in common with those of lamb dysentery. From the intestinal contents of two foals, Cl. welchii, type B (the lamb dysentery or ...
• Immunization against Rinderpest, with special reference to the use of dried goat spleen 

  Pfaff, G.; Du Toit, P.J. (Pretoria : The Government Printer, 1938)

  (a) The various methods of immunizing against rinderpest are briefly summarised, the use of goat adapted virus being dealt with more fully. (b) Experiments leading up to the production of a vaccine prepared from dried ...
• The toxicity of some dipping fluids containing arsenic and sulphur 

  Bekker P.M.; Steyn, Douw G. (Pretoria : Government Printer, 1938)

  1. Experiments to determine the toxic doses of some dipping fluids containing arsenic and sulphur are described. 2. It appears that in all the more common forms of arsenical preparations, which are soluble in water, the ...
• The influence of frequency of cutting on the yield, chemical composition, digestibility and nutritive value of some grass species 

  Louw, J.G.; Du Toit, P.J. (Pretoria : Government Printer, 1938)

  Five species of indigenous grasses, namely Cloris gayana, Setaria Lindenbergiana, Cencrus Ciliaris, Digitaria Pentzii Pretoria small, and Panicum Maximum, were established each in five replications on 25 plots, each ...
• South African helminths. Part III. Some mammalian and avian cestodes 

  Ortlepp, R.J.; Du Toit, P.J. (Pretoria : Government Printer, 1938)

  The writer here describes eight new species of Cestodes, three from mammals and five from birds; the mammalian species are Inermicapsifer leporis sp. n. from a hare, Catenotaenia geosciuri sp. n. from a suricat. The avian ...
• Studies on the neurotropic virus of horsesickness VI. Propagation in the developing chick embryo 

  Alexander, R.A.; Du Toit, P.J. (Pretoria : Government Printer, 1938)

  1. The technique for seeding eggs for the propagation of neurotropic horsesickness virus in the developing chick embryo is described in detail. 2. It is found that the virus retains its neurotropic character and multiplies ...
• Plant proteins III. The supplementary effect amongst certain plant proteins 

  Smuts, D.B.; Marais, J.S.C.; Du Toit, P.J. (Pretoria : Government Printer, 1938)

  By means of the paired feeding method, it has been shown that the addition of cystine to lucerne significantly enhances the growth promoting properties of the latter, and that when peanutmeal is supplemented by oatmeal the ...
• The basal metabolism of 3 to 4 weeks old White Leghorn chickens 

  Smuts, D.B.; Marais, J.S.C.; Du Toit, P.J. (Pretoria : Government Printer, 1938)

  1. By the application of the mold method the individual surface area of 17 chickens of approximately one month of age were determined and formulae evolved for the prediction of the surface area. The value for K in the Meeh ...
• The endogenous nitrogen metabolism of sheep with special reference to the maintenance requirement of protein 

  Smuts, D.B.; Marais, J.S.C.; Du Toit, P.J. (Pretoria : Government Printer, 1938)

  By means of a nitrogen free diet the time period for the attainment of the endogenous nitrogen level has been established in sheep. It appears that the preliminary protein period is a determining factor in the length of ...
• Sulphur metabolism VIII. The effect of incomplete rations on the toxicity of elementary sulphur 

  Kellerman, J.H.; Du Toit, P.J. (Pretoria : Government Printer, 1938)

  1. Experiments are described in which were studied the effects of incomplete rations on the toxicity of elementary sulphur. 2. The incorporation of sulphur in the diet exerted toxic effects only when the basal ration ...
• Sulphur metabolism VII. The effect of the acid-base balance of the ration on the toxicity of elementary sulphur 

  Kellerman, J.H.; Du Toit, P.J. (Pretoria : Government Printer, 1938)

  1. Data are presented on the relation of the acid-base balance of the ration to the effects of elementary sulphur on food utilization and the well-being of rats. 2. The efficiency quotient on the base-forming rations was ...

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