Publications

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health status of salmonids in river systems in natal. iii. isolation and identification of bacteria.both pathogenic and non-pathogenic bacteria were isolated from fish, both salmonid and non-salmonid, from selected river systems in natal. pasteurella pisicida was isolated for the first time from fish in south africa. the isolation of yersinia ruckeri, aeromonas salmonicida, and edwardsiella tarda were recorded for the first time from fish in natal. a. hydrophila and flexibacter columnaris were found to be widespread throughout the river systems in natal. the streptococcus species which caused ...19911881658
the distribution of pasteurella haemolytica serotypes among cattle, sheep, and goats in south africa and their association with diseases.over an 8-year period (september 1986 to march 1994), a total of 497 organ specimens from sheep and goats and 96 from cattle, were received for their isolation of pasteurella haemolytica. they were collected in seven geographical areas in south africa (as it existed before the april 1994 elections). these areas include the eastern cape, transvaal (new name: gauteng), nambia, orange free state (new name: free state), natal (new name: kwazulu-natal), western cape and the northern cape. this invest ...19958668319
a stochastic partial-budget analysis of an experimental pasteurella haemolytica feedlot vaccine trial.a field trial compared a modified pasteurella haemolytica biotype a serotype 1 leukotoxin vaccine to a commercial vaccine during march-july 1995 in a natal midlands, south african, feedlot. weaners/long weaners purchased by the feedlot were allocated systematically into test vaccine and control vaccine groups of 1241 and 1240 head, respectively, and fed in groups of approximately 200 head. morbidity and mortality were monitored until the animals were marketed. details of pleuritis and pneumonia ...200010665949
a field outbreak of suspected stachybotryotoxicosis in sheep.an outbreak of mortality in a flock of mutton merino sheep in which 109 out of 568 sheep died in the south-western cape province, is described. it was characterized by haemorrhagic septicaemia, anaemia, leucocytopaenia and haemorrhagic tendencies. mortalities followed unseasonal and heavy summer rain, extended over a period of 6 months and were associated with the uninterrupted consumption of sheep cubes processed on the farm severly fungus-infested wheat, barley and rye straw for a period of at ...1979575906
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