Search Results - "Van der Vyver, F."

Significance of Pressure, Temperature and Reaction Rate Events in a Blast Furnace Simulation Test by Pistorius, P. C., W. F. van der Vyver

“…The condition of iron ore samples in blast furnace simulation tests according to the REAS procedure was determined by interrupting the test at different stages…”
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THE PERFORMANCE OF ENVIRONMENTAL IMPACT ASSESSMENT IN THE EXPLOSIVES MANUFACTURING INDUSTRY IN SOUTH AFRICA by SANDHAM, LUKE ALAN, VAN DER VYVER, FELICITY, RETIEF, FRANCOIS PIETER

“…Explosives manufacture in South Africa is a major component of the chemical and mining industry, and as an important producer of hazardous chemicals it is also…”
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Serological survey to determine the prevalence of bovine leukaemia virus antibodies in dairy cattle on selected farms in the Gauteng and Mpumalanga provinces by Morris, S D, Myburgh, J G, van Vuuren, M, van der Vyver, F

“…Cattle from a farm where enzootic bovine leukosis had been diagnosed were tested to determine the prevalence of bovine leukaemia virus antibodies. Farmers who…”
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Helicopter-based censusing of domestic dogs in Gauteng Province, South Africa by Reilly, B.K., Van der Vyver, F.

“…Decision support in veterinary epidemiology often depends on density estimates of domestic animals. These estimates are usually based on ground surveys of…”
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Isolation of Plasmodium circumflexum from wild guineafowl (Numida meleagris) and the experimental infection in domestic poultry by Huchzermeyer, F.W, Van der Vyver

“…A strain of Plasmodium circumflexutn isolated from wild guineafowl was highly pathogenic to turkeys. Mortality in turkeys occurred in a biphasic pattern-at the…”
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The possible role of manganese poisoning in enzootic geophagia and hepatitis of calves and lambs by Neser, J A, de Vries, M A, de Vries, M, van der Merwe, A J, Loock, A H, Smith, H J, van der Vyver, F H, Elsenbroek, J H, Delport, R

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The isolation and serology of Brucella melitensis in a flock of goats in central RSA by Ribeiro, L M, Herr, S, Chaparro, F, van der Vyver, F H

“…Brucella melitensis biotype 1 was isolated in pure culture from the lungs, liver, spleen, kidney, stomach contents, abomasum and brain of an aborted caprine…”
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Leptospirosis as a cause of "white spot" kidneys in South African pig abattoirs by Hunter, P, van der Vyver, F H, Selmer-Olsen, A, Henton, M M, Herr, S, de Lange, J F

“…The incidence of isolation of Leptospira sp. from the kidneys of slaughter pigs with "white-spot" macroscopic lesions was determined. Histology and general…”
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Chronic splenitis as a possible complicating factor in calves inoculated with an attenuated redwater vaccine by Ehret, W J, Potgieter, F T, De Waal, D T, Van der Lugt, J J, Van der Vyver, F H

“…In two consecutive years a total of 3810 calves were inoculated with the Onderstepoort redwater live-blood vaccine, containing attenuated strains of Babesia…”
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Life cycle of chokka-squid Loligo reynaudii in South African waters by Lipiński, MR, van der Vyver, JSF, Shaw, P, Sauer, WHH

“…This short note summarises past and current knowledge of the life cycle of chokka-squid Loligo reynaudii d'Orbigny, 1845, in South African waters. Prior to…”
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Valsiekte (falling disease): a nervous disorder in lambs suspected of being caused by the plant Chrysocoma tenuifolia by Van der Vyver, F H, Kellerman, T S, Bastianello, S S, De Wet, J A, Joubert, J P, Faul, A

“…A description is given of the clinical signs and pathological changes in 23 field cases of valsiekte from the Bethulie region of the Orange Free State,…”
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Helicopter-based censusing of domestic dogs in Gauteng Province, South Africa by Reilly, B.K., Van der Vyver, F.

“…Decision support in veterinary epidemiology often depends on density estimates of domestic animals. These estimates are usually based on ground surveys of…”
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Using blood plasma cortisol concentration and fish behaviour to determine temperature avoidance in the estuarine-dependent fish species Rhabdosargus holubi (Steindachner, 1881) (Sparidae) by van der Vyver, J. S. F., Kaiser, H., Potts, W. M., James, N.

“…Summary In order to test the hypothesis that a combination of blood cortisol measurements and behavioural observations can be used to estimate the avoidance…”
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Significance of pressure, temperatue and reaction rate events in a blast furnace simulation test by Pistorius, P C, Van Der Vyver, W F

“…The condition of iron ore samples in blast furnace simulation tests according to the REAS procedure was determined by interrupting the test at different stages…”
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Localisation of aluminium and iron by histochemical and laster microprobe mass analytical techniques in bone marrow cells of chronic hemodialysis patients by van der Vyver, F L, Verbueken, A H, Visser, W J, van Grieken, R E, de Broe, M E

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