Original Research
Cross-sectional estimation of Babesia bovis antibody prevalence in cattle in two contrasting dairying areas in Tanzania
Onderstepoort Journal of Veterinary Research | Vol 71, No 3 | a262 |
DOI: https://doi.org/10.4102/ojvr.v71i3.262
| © 2004 E.S. Swai, E.D. Karimuribo, N.P. French, N.H. Ogden, J. Fitzpatrick, D. Kambarage, M.J. Bryant
| This work is licensed under CC Attribution 4.0
Submitted: 08 November 2004 | Published: 08 November 2004
Submitted: 08 November 2004 | Published: 08 November 2004
About the author(s)
E.S. Swai,E.D. Karimuribo,
N.P. French,
N.H. Ogden,
J. Fitzpatrick,
D. Kambarage,
M.J. Bryant,
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The crude prevalence of antibodies to Babesia bovis infection in cattle was estimated by serology using indirect ELISA during the period January to April, 1999. Sera were obtained from 1 395 dairy cattle (of all ages, sexes and breeds) on smallholder farms, the majority being kept under a zero grazing regime. The crude prevalence of antibodies to Babesia bovis was 6 % for Tanga and 12% for Iringa. The forces of infection based on the age sero-prevalence profile, were estimated at six for Iringa and four for Tanga per 100 cattle years-risk, respectively. Using random effect logistic regression as the analytical method, the factors (variables) of age, source of animals and geographic location were hypothesised to be associated with sero-positivity of Babesia bovis in the two regions.
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