Recently added

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UPSpace: Recent submissions

  • Report on the transmission of nagana in the Ntabanana and Mhlatuze settlements, Zululand 
    Bedford, G.A.H.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
  • Population structure of non-ST6 Listeria monocytogenes isolated in the red meat and poultry value chain in South Africa 
    Matle, Itumeleng; Mafuna, Thendo; Madoroba, Evelyn; Mbatha, Khanyisile R.; Magwedere, Kudakwashe; Pierneef, Rian Ewald (MDPI, 2020-08)
    Meat products have been implicated in many listeriosis outbreaks globally, however there is a dearth of information on the diversity of L. monocytogenes isolates circulating in food products in South Africa. The aim of ...
  • Transcriptome profiling of potato (Solanum tuberosum L.) responses to root-knot nematode (Meloidogyne javanica) infestation during a compatible interaction 
    Macharia, Teresia Nyambura; Bellieny-Rabelo, Daniel; Moleleki, Lucy Novungayo (MDPI, 2020-09)
    Root-knot nematode (RKN) Meloidogyne javanica presents a great challenge to Solanaceae crops, including potato. In this study, we investigated transcriptional responses of potato roots during a compatible interaction ...
  • The chlorophyll content of grasses in Bechuanaland 
    Henrici, M.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
    1. The chlorophyll-content of Bechuanaland grasses is not constant throughout the year, but varies from a very high initial value on young leaves, decreases according to the duration and intensity of drought periods, and ...
  • The appearance of Gonderia ovis in the blood of splenectomised sheep 
    De Kock, G.; Quinlan, J.B.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
    1. Gonderia ovis was noticed in the blood of splenectomized “carriers” of Anaplasma. 2. They were not observed in the blood of non-splenectomized sheep. 3. All transmission experiments to susceptible sheep, and in some ...
  • The life histories of Trichostrongylus instabilis and T. rugatus of sheep in South Africa 
    Monnig, H.O.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
    Experiments in connection with the following points are in progress, and have been partly completed: (a) Bionomics of the free-living larval stages. (b) The development of the worms in sheep at different seasons. (c) The ...
  • Helminthology notes 
    Monnig, H.O.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
  • Helminths collected from the domestic fowl (Gallus domesticus) and the domestic pigeon (Columba livia) in Natal 
    Le Roux, P.L.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
    1. The domestic fowl (Gallus domesticus) in Natal suffers heavily from verminous infestations. 2. Six species of nematodes and nine species of cestodes have been collected from the digestive tract of the fowl. 3. Three ...
  • The anatomy and life history of the fowl tapeworm (Amoebotaenia sphenoides) 
    Monnig, H.O.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
    (1) Cysticercoids, of which the hooks resemble those of Amoebotaenia sphenoides, were found in earthworms collected in a fowl-run infested with this tapeworm. (2) Earthworms [Ocnerodrilus (Hyogenia) africanus, Beddard, ...
  • Congenital rubella syndrome surveillance in South Africa using a sentinel site approach : a cross-sectional study 
    Motaze, Nkengafac Villyen; Manamela, Jack; Smit, Sheilagh; Rabie, Helena; Harper, Kim; Du Plessis, Nicolette Marie; Reubenson, Gary; Coetzee, Melantha; Ballot, Daynia; Moore, David; Nuttall, James; Linley, Lucy; Tooke, Lloyd; Kriel, Jeannette; Hallbauer, Ute; Sutton, Christopher; Moodley, Pravi; Hardie, Diana; Mazanderani, Ahmad Haeri; Goosen, Felicity; Kyaw, Thanda; Leroux, Dave; Hussain, Akhtar; Singh, Radhika; Kelly, Christopher; Ducasse, Graham; Muller, Michelle; Blaauw, Magdaleen; Hamese, Mohlabi; Leeuw, Tumelo; Mekgoe, Omphile; Rakgole, Philemon; Dungwa, Norman; Maphosa, Thulisile; Sanyane, Kgomotso; Preiser, Wolfgang; Cohen, Cheryl; Suchard, Melinda (Oxford University Press, 2019-05-15)
    BACKGROUND. Congenital rubella syndrome (CRS) includes disorders associated with intrauterine rubella infection. Incidence of CRS is higher in countries with no rubella-containing vaccines (RCV) in their immunization ...
  • Cytological studies on heartwater II : Rickettsia ruminantium in the tissues of ticks capable of transmitting the disease 
    Cowdry, E.V.; Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Department of Agriculture (Pretoria : Government Printer and Stationery Office, 1926)
    The evidence observed in favour of a causative relationship between Rickettsia ruminantium and the production of heartwater falls under the following headings: (1) The discovery of Rickettsia ruminantium in the tissues ...
  • 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 ...
  • Case study – testing of geogrid at Exxaro Coal Mpumalanga and implications for future use 
    Van Aswegen, Francois; Rautenbach, Reinard; Gomes, Desiree; De Bruyn, Frederick; Kamper, Maarten (South African Institution of Civil Engineering, 2019-07)
    In August 2017 GIBB (Pty) Ltd was requested by Exxaro Coal Mpumalanga to conduct a detail design in order to upgrade one of their existing gravel access roads to surface standard at Matla Mine in Kriel, Mpumalanga. The ...
  • 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 ...
  • TUKS tensiometer measures to –1.7 Mega Pascal 
    Jacobsz, Schalk Willem (South African Institution of Civil Engineering, 2019-01)
    Tensiometers have been used in agriculture for many years, as the magnitude of pore water suction affects the ease with which plants can absorb water from the soil. They have, however, traditionally been limited to the ...
  • 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 ...