• The toxin of Clostridium chauvoei 

  Mason, J.H.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  (1) In culture filtrates of Cl. chauvoei two antigens have been demonstrated (a) a toxin, and (b) a heat stable antigen. The toxin can best be demonstrated by injecting filtrate intradermically into guinea-pigs, ...
• Studies on the photosensitisation of animals in South Africa. IX. The bile flow of the Merino sheep under various conditions 

  Quin, J.I.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  In the various experiments outlined above, attempts have been made to elucidate some of the important factors influencing the normal bile excretion in Merino sheep. This work was undertaken primarily with the view of ...
• Recent investigations into the toxicity of known and unknown poisonous plants in the Union of South Africa 

  Steyn, D.G.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)
• Chemical studies upon the vermeerbos, Geigeria aspera, Harv. II. Isolation of the active principle "vermeeric acid" 

  Rimington, C.; Roets, G.C.S.; Steyn, D.G.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  1. The toxic principle of the Vermeerbos, Geigeria aspera, has been isolated. It is a dibasic acid C₁₈H₂₈O₇ and has been named “Vermeeric acid”. On standing in the air, Vermeeric acid gradually loses two molecules of water ...
• Chemical studies upon the vermeerbos, Geigeria aspera Harv. I. Isolation of a bitter principle "geigerin” 

  Rimington, C.; Roets, G.C.S.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  l. There has been isolated from toxic consignments of Geigeria aspera, Harv. a neutral lactonic bitter principle to which the name Geigerin has been assigned. This substance, though not the true toxic principle, would ...
• Studies in sex physiology, No. 15. Further observations on the body weight and crown-rump length of Merino foetuses 

  Malan, A.P.; Curson, H.H.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  1. The relationship between C.R. length and weight of two series of foetuses from Grootfontein School of Agriculture, Cape Province, and Ermelo, Transvaal, is considered. 2. The thirteen foetuses used in Sex Physiology ...
• Subject index 

  Anonymous; Du Toit, P.J. (Pretoria : The Government Printer, 1936)
• A contribution to the study of African native cattle 

  Curson, H.H.; Thornton, R.W.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  Since the Questionnaire dealt essentially with African cattle and only incidentally with cattle in certain countries outside Africa, it seems advisable to conclude by referring firstly to the position within Africa and ...
• Author index 

  Anonymous; Du Toit, P.J. (Pretoria : The Government Printer, 1936)
• Some cases of congenital porphyrinuria in cattle: chemical studies upon the living animals and post-mortem material 

  Rimington, C.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  Of several living bovine cases of congenital porphyrinuria, discovered on a farm in Swaziland and all the progeny of a single pure-bred shorthorn bull (see Fourie, 1936), one animal was slaughtered for experimental ...
• The occurrence of congenital porphyrinuria (pink tooth) in cattle in South Africa (Swaziland) 

  Fourie, P.J.J.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  1. The occurrence of congenital porphyrinuria in 13 bovines, all of which are the progeny of one bull, is described. 2. 77 per cent. of the affected animals are males and 23 per cent. are females. In this respect the ...
• Studies in mineral metabolism XXXV. The role of iodine in the nutrition of sheep 

  Malan, A.I.; Du Toit, P.J.; Groenewald, J.W.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  When the daily ration of Merino ewes contained 0.05 gm. KI for a period of about twelve months no effects were observed in bodyweight and food consumption. Reproduction was, however, abnormal in all the groups receiving ...
• A new fly repellent and a blowfly dressing. Preliminary report 

  Monnig, H.O.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  It is shown that the steam-distilled oil of the plant Tagetes minima has strong repellent properties for blowflies and that it is suitable for use in a blowfly dressing. Carbon tetrachloride and tetrachlorethylene are ...
• Anthelmintic tests, chiefly with tetrachlorethylene, for the removal of the hookworm, Gaigeria pachyscelis, from infested sheep, with observations on the effects of this drug on other parasitic nematodes 

  Ortlepp, R.J.; Monnig, H.O.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  1. Doses of 3, 4, 5, 6, 10 and 15 c.c. of pure Tetrachlorethylene per sheep are not efficient for the removal of the hookworm – G. pachyscelis. 2. Doses of 3, 4, 5 and 6 c.c. pure Carbon tetrachloride are not ...
• Anatomical studies, No. 61. A comparison of two of the so-called Zebus 

  Curson, H.H.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  Summarising the position we have: Resemblances. 1. Both Zebu types originated in Asia. 2. Externally: (a) They have a coffin-shaped head with convex profile; (b) the dewlap is prominent; (c) the hump is well marked, ...
• A contribution to the study of the pathology of oesophagostomiasis in sheep 

  Fourie, P.J.J.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  (1) Although toxins for the experimental reproduction of the disease have not actually been obtained from the nodular worms, there is very strong circumstantial evidence that during the course of the disease poisonous ...
• Studies in sex physiology, No. 17. The extent of the gravid Merino uterus in relation to the vertebral column in the dorsal recumbent position and the weights of the gravid uterus and foetus in relation to the general body weight 

  Curson, H.H.; Malan, A.P.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  The increasing extent of the gravid uterus is well-illustrated in the Figs. 1, 3, 5, 8, 11, and 13, and the relationship [see column (9) of Table I] to the vertebral axis in Figs. 2, 4, 6, 7, 9, 10 and 12. The weights ...
• Studies in sex physiology, No. 16. Surface area in the foetus of the Merino sheep 

  Malan, A.P.; Curson, H.H.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  The increase in surface area of the Merino foetus is discussed. The relationship between surface area and body weight, as estimated from the present series of foetuses is expressed by the equation a=3.320w⁰‧⁷⁷⁸. Several ...
• Studies in sex physiology, No. 14. The situation of the developing foetus in the uterus of the live Merino sheep 

  Curson, H.H.; Quinlan, J.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)
• Sulphur metabolism. IV. The oxidation and reduction of elementary sulphur by animal tissues in vitro 

  Kellermann, J.H.; Du Toit, P.J. (Pretoria : The Government Printer, 1936)

  1. Data are presented on the oxidation and reduction of elementary sulphur by animal tissues in vitro, and the enhancing or otherwise effects of certain chemicals on these reactions are also shown. 2. All protein tissues ...

View more