Molecular identification of bovine trypanosomes in relation to cattle sources in southwest Nigeria

Parasitology International
Paul Olalekan OdeniranSusan Christina Welburn

Abstract

Bovine trypanosomosis is a problem in the livestock industry in Nigeria. A longitudinal survey of cattle sampled during the wet and dry seasons was conducted from April 2016 to March 2017. Blood samples were collected by random sampling from 745 cattle in southwest Nigeria and screened for trypanosomes by internal transcribed spacer-polymerase chain reaction (ITS-PCR). Cattle positive for Trypanozoon DNA were further screened with the Rode Trypanozoon antigen type (RoTat) 1.2 PCR and Trypanosoma brucei gambiense glycoprotein (TgsGP) genes for T. evansi and T. b. gambiense respectively. Trypanosome DNA was amplified in 23.8% (95%CI: 20.8-26.9) of cattle with significantly higher prevalence in wet season (95%CI: 22.9-30.8) when compared to the dry season (95%CI: 14.3-23.6). A high prevalence was observed in Fulani cattle farms 54.1% (95%CI: 42.78-64.93%) while the prevalence was lower in institutional farms 14.7% (95%CI: 10.10-20.97%). Trypanosoma vivax was the most prevalent trypanosome observed (11.54% (95%CI: 9.44-14.04%)), followed by T. congolense 8.5% (95%CI: 6.67-10.67%) T. b. brucei 4.8% (95%CI: 3.51-6.62%) and T. evansi 1.74% (95%CI: 1.02-2.96%). Mixed infections were observed in 2.8% (95%CI: 1.85-4.27%) of cattle. Seaso...Continue Reading

Citations

Oct 16, 2019·Parasites & Vectors·Judith Sophie WeberSørge Kelm
Apr 19, 2019·Tropical Animal Health and Production·Paul Olalekan OdeniranSusan Christina Welburn
Feb 12, 2021·Tropical Animal Health and Production·Paul Olalekan OdeniranIsaiah Oluwafemi Ademola
Oct 10, 2021·Acta Parasitologica·Chukwunonso Francis ObiRomanus Chukwuduruo Ezeokonkwo

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