Recently added

Please be advised that the site will be down for maintenance on Sunday, September 1, 2024, from 08:00 to 18:00, and again on Monday, September 2, 2024, from 08:00 to 09:00. We apologize for any inconvenience this may cause.

Onderstepoort Journal of Veterinary Research: Recent submissions

  • Cytological studies on heartwater I : the observation of Rickettsia ruminantium on the tissues of infected animals 
    Cowdry, E.V.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
    A Gram-negative, intracellular, coccus-like micro-organism was found in cases of heartwater in the three species which are susceptible to the disease, namely, goats, sheep, and cattle. The presence of this micro-organism ...
  • A group of micro-organisms transmitted hereditarily in ticks and apparently unassociated with disease 
    Cowdry, E.V.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
    1. Pleomorphic, bacterium-like, Gram-negative, intracellular micro-organisms, which stained much less intensely with ordinary dyes than most bacteria, were found in fifteen ticks comprising examples of both the Argasidae ...
  • Notes on the decomposition of diluted polysulphide dips 
    Van Zyl, J.P.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
    Although the recorded work is not comprehensive enough to allow for very definite conclusions, it is indicated that the decomposition of this common scab dip is not so rapid nor of such a nature that the farmer with a small ...
  • Contributions to the helminth fauna of South Africa 
    Baer, J.G.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
    Whereas the South American and Australian helminth-fauna is comparatively well known, that of South Africa has been sadly neglected until recent years. The probable reason of this is that scientific explorers do not generally ...
  • Remarkable case of volvulus in a calf due to aplasia of the mesentery 
    Steck, W.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
    (1) A three-month-old bull-calf dies suddenly as a result of a complicated volvulus. (2) This volvulus is due to a reduction of the mesentery (probably congenital) in a part of the small intestine, which allows a part to ...
  • Blood studies : a contribution to the study of the blood and circulation in horsesickness 
    Neser, C.P.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
    1. In the dikkop form of horse-sickness: (a) sedimentation of red corpuscles is much accelerated in the later stages of the disease, owing to clumping of the cells. This clumping is due to a property acquired by the ...
  • Does a species of leishmania occur in the goat? 
    Curson, H.H.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
    Under the circumstances, it is felt that, provisionally at any rate the parasite may be considered as a species of Leishmania, and it is proposed that it be named Leishmania caprae. n.s. The smear is now in the possession ...
  • Serological investigations into some diseases of domesticated animals in South Africa caused by trypanosomes 
    Robinson, E.M.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
    1. The complement fixation test may be used for the diagnosis of dourine occurring naturally in South Africa, provided T. equiperdum antigen is employed. 2. Animals infected with T. brucei react to the complement fixation ...
  • Blackquarter in South Africa : with special reference to improved methods of inoculation 
    Viljoen, P.R.; Scheuber, J.R.; Du Toit, P.J. (Pretoria : Government Printer and Stationery Office, 1926)
    (1) Blackquarter has been known to exist in South Africa ever since the first veterinarians came to this country. At the present time it is widespread, occurring as an enzootic in many parts of the country, and being ...
  • A check list and host list of the external parasites found on South African mammalia, aves, and reptilia 
    Bedford, G.A.H.; Du Toit, P.J. (Pretoria : Government Printer and Stationery Office, 1926)
    Before commencing to write this paper, it was realized only too fully that any check list or host list of the external parasites occurring on South African mammals, birds, and reptiles written at the present time would be ...
  • Physiological plant studies in South Africa Part I : wilting and osmotic phenomena of grasses and other plants under arid conditions 
    Henrici, M.; Du Toit, P.J. (Pretoria : Government Printer and Stationery Office, 1926)
    A description of the meteorological, tellurical, and edaphic features of a typical farm in the semi-arid region of Bechuanaland is given, and the osmotic behaviour of the local flora recorded. The differences between suction ...
  • Preliminary report upon the occurrence of hydrocyanic acid in the grasses of Bechuanaland 
    Henrici, M.; Du Toit, P.J. (Pretoria : Government Printer and Stationery Office, 1926)
    The occurrence of cyanogenetic compounds in grasses which do not show such in the normal fresh state is common during wilting or withering of natural veld in Bechuanaland. The phenomenon is particularly noticeable at the ...
  • Studies on the neurotropic virus of horsesickness I. Neurotropic fixation 
    Alexander, R.A.; South Africa. Dept. of Agricultural Technical Services (Pretoria : Government Printer, 1935)
    l. Reference is made to the previous reports on the susceptibility to horsesickness of animals other than equines. 2. The technique for the neurotropic adaptation and maintenance of a strain of virus is described in ...
  • Author index and subject index 
    Du Toit, P.J. (Pretoria : The Government Printer, 1936)
  • 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 ...
  • Professional staff and buildings, Onderstepoort 
    Anonymous; Du Toit, P.J. (Pretoria : Government Printer, 1938)
  • 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 ...