- UPSpace Home
- →
- South African National Veterinary Repository
- →
- Browsing South African National Veterinary Repository by UP Author
JavaScript is disabled for your browser. Some features of this site may not work without it.
Browsing South African National Veterinary Repository by UP Author "Coetzer, Jacobus A.W."
Now showing items 1-18 of 18
-
Howell, P.G.; Bosman, Anna-Mari; Coetzer, Jacobus A.W.; Guthrie, Alan John; Groenewald, Daleen; Visage, Carina W.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2002)Selected isolates of equine encephalosis virus were shown to have comparable viral protein profiles and to represent seven distinct serotypes, based on cross-neutralization tests. Serotype-specific virus-neutralizing ...
-
Coetzer, Jacobus A.W.; Theodoridis, A.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)The clinical symptoms and pathology in 33 adult sheep and 31 adult goats experimentally infected with Wesselsbron disease virus are described. There was moderate to severe hyperthermia in most animals, but no other ...
-
Coetzer, Jacobus A.W.; Van der Lugt, Jaco J.; Cilliers, C.; Smit, Marie M.E.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1995)Wesselsbron disease (WSL) was diagnosed in a 2-d-old lamb on a farm in the north-eastern Free State Province where a few abortions and neonatal deaths occurred in sheep in April 1994. The liver of the lamb was slightly ...
-
Coetzer, Jacobus A.W.; Van der Lugt, Jaco J.; Smit, M.M.E.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)The distribution of Rift Valley fever (RVF) viral antigen was studied by immunohistochemistry in the liver, spleen, prescapular lymph node, lungs and kidneys of eight experimentally infected new-born lambs and in four ...
-
Coetzer, Jacobus A.W.; Kellerman, T. Stephanus; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)Various hepatogenous photosensitivity diseases of ruminants in South Africa, caused by plants, fungi and an alga, are described. Information is given on botanical, mycological, toxicological, clinical and pathological ...
-
Coetzer, Jacobus A.W.; Marasas, Walter F.O. (Walter Friedrich Otto); Kellerman, T. Stephanus; Gelderblom, W.C.A.; Thiel, P.G.; Van der Lugt, Jaco J.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1988)Each of two horses was dosed by stomach tube with culture material on maize of Fusarium moniliforme MRC 826. One horse developed severe hepatosis and mild oedema of the brain after 6 doses of 2,5 g of culture material/kg ...
-
Coetzer, Jacobus A.W.; Kellerman, T. Stephanus; Marasas, Walter F.O. (Walter Friedrich Otto); Thiel, P.G.; Gelderblom, W.C.A.; Cawood, M.; Verwoerd, Daniel Wynand (Published by the Government Printer, Pretoria., 1990)Leukoencephalomalacia (LEM) was induced by the oral administration of fumonisin B₁ (FB₁) to 2 horses: a filly received 59,5mg/kg of a 50% preparation of FB₁ administered in 21 doses of 1,25-4mg/kg over 33 days; a colt, ...
-
Coetzer, Jacobus A.W.; Schultz, R.A. (Rowena Anitra); Kellerman, T. Stephanus; Naude, T.W.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)Fluoroacetate was dosed per stomach tube to 17 Merino sheep at the rate of 0,05 - 1,0 mg/kg/day. The clinical signs, haemodynamic changes, chemical pathology and pathology of acute, subacute and chronically intoxicated ...
-
Coetzer, Jacobus A.W.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)Since the original description of Rift Valley fever in sheep, cattle and man in the Rift Valley in Kenya in 1931, very little has been published on the disease in cattle. This report deals with the macroscopic and microscopic ...
-
Coetzer, Jacobus A.W.; Kellerman, T. Stephanus; Schneider, D.J.; Welman, Wilhelmina G.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1983)Hepatogenous photosensitivity was experimentally induced in 1 out of 4 sheep dosed with milled Athanasia trifurcata. This is an unpalatable aromatic shrub commonly found along the south-western and south-eastern Cape coast ...
-
Coetzer, Jacobus A.W.; Bergh, T.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1983)Hepatic lesions in 4 field cases of ovine hepatogenous photosensitization caused by the plant, Asaemia axillaris (Thunb.) Harv. Ex Jackson, are described. The liver was usually swollen, friable and yellowish-brown, with ...
-
Coetzer, Jacobus A.W.; Bath, Gareth F.; Kellerman, T. Stephanus; Sadler, W.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1983)The subject of this study was the pathological and scanning electron microscopical changes in the biliary systems of sheep suffering from facial eczema or geeldikkop (Tribulosis ovis), or made photosensitive by ligation ...
-
Coetzer, Jacobus A.W.; Kellerman, T. Stephanus; Erasmus, G.L.; Brown, J.M.M.; Maartens, B.P.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Geeldikkop was induced in sheep by the oral administration of crude steroidal saponins from Tribulus terrestris. Two of the sheep developed typical lesions of geeldikkop, including birefringent crystalloid material in bile ...
-
Coetzer, Jacobus A.W.; Miles, Christopher O.; Wilkins, A.L.; Erasmus, G.L.; Kellerman, T. Stephanus; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)Geeldikkop was induced in a sheep by oral administration of crude saponins from Tribulus terrestris. Centrifugation of the bile from this sheep gave a pale green sediment of crystalloid material which was insoluble in ...
-
Coetzer, Jacobus A.W.; Ishak, K.G.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)Ten new-born lambs were necropsied at various intervals after artificial infection with Rift Valley fever virus for the study of the sequential development of the hepatic lesions. During the late stage of the disease, ...
-
Coetzer, Jacobus A.W.; Ishak, K.G.; Calvert, R.C.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)The macroscopic and microscopic lesions in livers of new-born lambs experimentally infected with Rift Valley fever virus and killed at various intervals between 6 - 53 h after inoculation, were described in a previous ...
-
Coetzer, Jacobus A.W.; Viljoen, J.H.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)More lesions were found in the carcass of an animal that has been naturally infested with Parafilaria bovicola than in one artificially infested with a single subcutaneous injection of infective larvae of this species. This ...
-
Coetzer, Jacobus A.W.; Kellerman, T. Stephanus; Van der Westhuizen, G.C.A.; Newsholme, S.J.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1984)An outbreak of disease affecting a herd of 16 dairy cattle which were fed mouldy, sprouted maize is described. Eight of the cattle were affected, 5 of which died. The clinical signs included muscular tremors, ...
Now showing items 1-18 of 18