PMID: 9558969Oct 1, 1996Paper

Prevalence of tsetse fly and ruminant trypanosomosis in Katsina-Ala Local Government Area, Nigeria

Roumanian Archives of Microbiology and Immunology
A U KaluM Ikeme

Abstract

The prevalence of ruminant trypanosomosis and tsetse flies was investigated in Katsina-Ala Local Government Area--a sleeping sickness endemic area--between the valleys of River Benue, Katsina-Ala and Donga in Central Nigeria. Analysis of three hundred and twenty blood samples showed that among semi-nomadic animals, about one cattle (21.3%; 0.213, confidence interval C1 +/- 0.06) and two sheep (38.0%; 0.380, C1 +/- 0.10) out of five carried mature trypanosome infections. Significantly lower (P < 0.05) values (12.5%; 0.125, C1 +/- 0.08) were recorded among peri-domestic West African Cross Red Sokoto (WAD x RS) goats. Trypanosoma vivax was the most prevalent species encountered; it was diagnosed in 10.3% of the ruminant population and responsible for 42.8% of the infections in all animals. Corresponding figures for T. congolense were 5.9% and 24.6%, respectively. T. brucei infections were low in cattle (1.8%) and absent in goats. Males and young stock had lower infection but the difference was not significant (P > 0.05) except between the ages in cattle. Glossina tachinoides was the only tsetse species encountered and responded to acetone odour attractant in biconical traps.

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