| a sero-epidemiological survey of blood parasites in cattle in the north-eastern free state, south africa. | a survey to determine the incidence of parasites in cattle (n = 386) was conducted in the north eastern free state between august 1999 and july 2000. giemsa-stained blood smears were negative for blood parasites. a total of 94% of the cattle were sero-positive for babesia bigemina by indirect fluorescent antibody test while 87% were sero-positive for anaplasma by enzyme-linked immunosorbent assay. the observation of negative blood smears but high incidence of positive serological results for ana ... | 2004 | 15185577 |
| the efficacy of used engine oil against ticks on cattle. | the study was conducted in a peri-urban agricultural system at botshabelo, a city in the south-eastern free state. a questionnaire survey revealed that 88.5% of cattle farmers in the area experienced problems related to ticks and tick-borne diseases. because of the cost of commercial acaricides the botshabelo farmers use alternative, cheaper methods of tick control, including the application of used engine oil. the specific aim of the study was to determine whether used engine oil can effectivel ... | 1998 | 10192839 |
| epidemiology of tick-borne diseases of cattle in botshabelo and thaba nchu in the free state province. | a seroepidemiological study was conducted on 151 cattle from the botshabelo and thaba nchu areas in the central free state province of south africa, two areas where small scale, peri-urban cattle farming is practised. an indirect fluorescent antibody test was used to test for babesia bigemina and b. bovis antibodies. to test for anaplasma marginale antibodies a competitive inhibition enzyme-linked immunosorbent assay method was used. there were no significant differences in serological test resu ... | 1998 | 10192841 |