Bovine trypanosomosis in the Upper West Region of Ghana: Entomological, parasitological and serological cross-sectional surveys

Adam, Yahaya; Marcotty, Tanguy; Cecchi, Giuliano; Mahama, Charles I.; Solano, Philippe; Bengaly, Zakaria; Bossche, Peter Van Den

doi:10.1016/j.rvsc.2011.04.004

Cited by 32 publications

(26 citation statements)

References 16 publications

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“…All infected ruminants showed higher infections with T. b. brucei (66.67%) than Trypanosoma congolense (33.33%) and mono-specific. This predominance of T. brucei is similar to that noted by Adam et al (2012) in Ghana but diverges from the clear dominance of T. congolense in Ethiopia by Tola et al (2016) and Degnah et al (2013) in Ethiopia and T. vivax by Talaki et al (2014) in Togo in their studies. All of these differences in prevalence among the authors reveal a high variability of AAT infections in ruminants depending on the density of tsetse and other biting insects and the ability of animals to develop high parasitaemia.…”

Section: Discussionsupporting

confidence: 76%

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Prevalence of Trypanosoma brucei brucei and Potential In Vitro Trypanocidal Activity of Aqueous Extracts of Some Medicinal Plants in the Pastoral Area of Gaongho in Burkina Faso

André¹,

Kaboré²,

Zakaria³

et al. 2017

J. Anim. Health Prod.

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| In the pastoral zone of Gaongho in Burkina Faso, the main disease of ruminants is the African Animal Trypanosomiasis (AAT) which is very often controlled by herders with the aqueous extracts of five plants whose present study proposes to evaluate the potential trypanocidal activities. To this end, a parasitological field survey in ruminants was carried out followed by an in vitro trypanocidal test of five plant extracts using three concentrations (25, 50 and 100 mg / ml) in triplicate in comparison with negative (PBS) and positive (Veriben) controls in the laboratory. The field survey revealed an overall prevalence rate of 4.14% for trypanosomes, including 4.54% for cattle and sheep and 3.33% for goats, with no significant difference (P ˃ 0. 05) was recorded between the three ruminant species. Among the latter, the sex effect showed a significant difference in goats where males were more infested (P = 0.0015) than females. On the other hand, the age of the animals presented no significant difference (P = 0.8218) between the three species. All ruminants tested were more infested with Trypanosoma brucei brucei (66.67%) than T. congolense (33.33%). The in vitro test was conducted with aqueous extracts of five plants (Balanites aegyptiaca, Capparis sepiaria, Guiera senegalensis, Mitragyna inermis, and Vitellaria paradoxa) on Trypanosoma brucei brucei. Concentrations of 50 and 100 mg / ml of G. senegalensis leaf extracts and V. paradoxa bark caused high mortality of T. brucei brucei and were comparable to Veriben, the standard reference product. The results obtained with the extracts of G. senegalensis and V. paradoxa showed that these plantsmay be the potential source of trypanocidal drugs. Keywords

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Section: Discussionsupporting

confidence: 76%

“…It is also lower than the 6.86% observed by Degnah et al (2013) in Ethiopia in the Lalo Kile district and above the 2.5% obtained by Adam et al (2012) in Ghana in cattle.…”

Section: Discussioncontrasting

confidence: 56%

Prevalence of Trypanosoma brucei brucei and Potential In Vitro Trypanocidal Activity of Aqueous Extracts of Some Medicinal Plants in the Pastoral Area of Gaongho in Burkina Faso

André¹,

Kaboré²,

Zakaria³

et al. 2017

J. Anim. Health Prod.

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“…Among species of trypanosomes that cause nagana, Trypanosoma vivax is the predominant species in Ghana ( Adam et al , 2012; Mahama et al , 2004; Turkson, 1993) agreeing with reports by Losos (1986) that T. vivax predominates in West Africa.…”

Section: Introductionsupporting

confidence: 86%

Haematology of N’Dama and West African Short Horn cattle herds under natural Trypanosoma vivax challenge in Ghana

et al. 2018

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Animal trypanosomosis is a major cause of economic loss in Background: livestock production in Africa. A suggested control measure is to use breeds with traits of trypanotolerance. The study examines the effect of natural challenge on haematological parameters in two Trypanosoma vivax trypanotolerant cattle [N'Dama and West African Short Horn (WASH)] herds.-specific primers were used to diagnose infection in Methods: T. vivax T. vivax an N'Dama herd at Cape Coast in southern Ghana and a WASH herd at Chegbani in northern Ghana from May to July 2011 in a cross-sectional study. Levels of haematological parameters comprising packed cell volume (PCV), haemoglobin (Hb) concentration and total red blood cell (RBC) and white blood cell (WBC) counts; differential WBC counts (neutrophils, lymphocytes, eosinophils, monocytes and basophils); and RBC indices of mean corpuscular volume (MCV), mean corpuscular haemoglobin (MCH) and mean corpuscular haemoglobin concentration (MCHC) were determined in blood samples and then compared between infected and uninfected cattle.We found that haematological indices for infected and uninfected Results: animals in both breeds were within the normal range. However, the mean PCV values for -infected WASH and N'Dama were lower in infected T. vivax compared to uninfected animals. The difference was significant ( < 0.05) in p N'Dama but not in WASH. The RBC indices were higher in infected N'Dama compared to infected WASH with a significant difference in total RBC ( < p 0.05).We conclude from our findings that despite the presence of Conclusion: infection by , N'Dama and WASH cattle maintained their T. vivax haematological parameters within acceptable normal ranges, and this underscores the need for routine diagnosis and treatment so that such trypanotolerant cattle do not serve as potential reservoirs of trypanosome parasites.

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“…All previous efforts to eliminate tsetse and trypanosomosis in the country failed because of the interconnections between the different river systems within and outside the country and the lack of a concerted approach in dealing with this trans-boundary animal disease (Adam et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Baseline survey of animal trypanosomosis in the region of the Boucle du Mouhoun, Burkina Faso

Sow

Ganaba

Percoma

et al. 2013

Research in Veterinary Science

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In view of gathering baseline information about the prevalence of animal trypanosomosis, the Pan African Tsetse and Trypanosomiasis Eradication Campaign (PATTEC) funded a cross sectional survey in the Region of the Boucle du Mouhoun which constitutes the Northern limit of the tsetse distribution in Burkina. This cross sectional study was carried out in 53 villages located in the 6 provinces of the region. A total of 2002 cattle, 1466 small ruminants and 481 donkeys were sampled. This survey showed that about 25% of the cattle had been treated with trypanocidal drugs within 3 months before the survey compared to 3% and 0.42% for the small ruminants and donkeys respectively. Parasitological prevalence in cattle was low: 0.77% (95% C.I. 0.30-1.95%). No goats and three donkeys were found infected with trypanosomes. Infections were mainly due to Trypanosoma vivax (75.0%) with cases of T. congolense (25.0%). In cattle, the serological prevalence of trypanosomosis, for the entire Region of the Boucle du Mouhoun, was 34.2% (95%C.I. 26.1-43.4%). For sheep, goats and donkeys, the prevalence were of 20.9% (95%C.I. 12.2-33.5%), 8.5% (95%C.I. 5.7-12.5%) and 5.8% (95%C.I. 3.9-8.6%) respectively.The age and distance to the river were the two main risk factors associated with seropositivity.

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Bovine trypanosomosis in the Upper West Region of Ghana: Entomological, parasitological and serological cross-sectional surveys

Cited by 32 publications

References 16 publications

Prevalence of Trypanosoma brucei brucei and Potential In Vitro Trypanocidal Activity of Aqueous Extracts of Some Medicinal Plants in the Pastoral Area of Gaongho in Burkina Faso

Prevalence of Trypanosoma brucei brucei and Potential In Vitro Trypanocidal Activity of Aqueous Extracts of Some Medicinal Plants in the Pastoral Area of Gaongho in Burkina Faso

Haematology of N’Dama and West African Short Horn cattle herds under natural Trypanosoma vivax challenge in Ghana

Baseline survey of animal trypanosomosis in the region of the Boucle du Mouhoun, Burkina Faso

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