Publications

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an overview of the eradication of brucella melitensis from kwazulu-natal.brucella melitensis is a gram-negative bacterium whose primary hosts are goats and sheep. like the other brucelia spp., with the exception of brucella ovis, it is not particularly host specific as it is pathogenic for a variety of other mammal species including humans. in humans the disease caused by it is rated as one of the most important zoonoses. three outbreaks have been recorded in goats and sheep in south africa; the first outbreak occurred in sheep in 1965 in the mpumalanga and northern ...200212233997
ixodid ticks on indigenous goats owned by small-scale farmers in four communal grazing areas in south africa.indigenous goats belonging to small-scale farmers in 4 communal grazing areas in south africa were sampled for ixodid ticks during the period september 1991 to may 1993. three of these areas were in the north west province (rietgat, madinyane and bethany), and one in mpumalanga province (geluk). no tick control was practised unless requested by the owners. seven ixodid tick species, of which the majority were immature ticks, were collected from the goats in north west province. amblyomma hebraeu ...200212088070
a primary animal health care approach to treatment and control of flea (ctenocephalides felis) infestation in indigenous goats kept on communal grazing.this paper describes a primary health care approach to an infestation of indigenous goats by the common cat flea, ctenocephalides felis. the flea species was identified using scanning electron microscopy. the infested goats were kept on communal grazing at winterveld in the north-west province. they were penned at night in housing made of wire and corrugated iron. the owner complained that the goats were lethargic. fleas were found on the goats and flea larvae were found in the kraal. haematolog ...199910855818
anthelmintic resistance in south africa: surveys indicate an extremely serious situation in sheep and goat farming.surveys to determine the prevalence and degree of resistance of haemonchus spp. of sheep and goats to the available anthelmintics in south africa indicate that small ruminant production is entering a crisis situation. three surveys employing the faecal egg count reduction (fecr) test to determine resistance were conducted in some of the main sheep-producing areas in the summer rainfall region of south africa, where h. contortus is the principal worm species in sheep. after analyzing the data rec ...199910689700
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