Concurrent Infection of Fascioliasis andTrypanosomosis and Associated Risk Factors in Local Zebu Breed Cattle of Western Ethiopia
Behablom Meharenet, Dessalew Shitu National Institute for the Control and Eradication of Tsetse Fly and Trypanosomosis, Addis Ababa, EthiopiaCorrespondence: Behablom MeharenetNational Institute for the Control and Eradication of Tsetse Fly and Trypanosomosis, Akaki Kaliti, PO Box 19917, Addis Ababa,...
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2021
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| Acceso en línea: | https://doaj.org/article/03606eaa3e1441cb8a31c5ac665bac0e |
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| Sumario: | Behablom Meharenet, Dessalew Shitu National Institute for the Control and Eradication of Tsetse Fly and Trypanosomosis, Addis Ababa, EthiopiaCorrespondence: Behablom MeharenetNational Institute for the Control and Eradication of Tsetse Fly and Trypanosomosis, Akaki Kaliti, PO Box 19917, Addis Ababa, EthiopiaEmail behablom@gmail.comBackground: A cross-sectional study was conducted from late October 2016 to June 2017, with the primary objective of estimating and analyzing the concurrent occurrence of both fascioliasis and trypanosomosis infections and associated risk factors along the tsetse-infested Didessa river basin.Methods: The methodology applied was based on stratified sampling for the parasitological study, with entomological and malacological surveys, including fly dissection.Results: The result of variance-ratio testing between trypanosomosis and fascioliasis infections (mean prevalence 0.117± 0.322 and 0.283± 0.451, respectively), was statistically significant (P[F>f]=0), with higher observed fascioliasis infection (n=147, 28.27%). Severe anemia was observed in trypanosomosis infection, with mean packed cell volume of 19.57 (OR=0.71, P>|z|=0.000), and vast fascioliasis infections identified among cattle with medium and poor body condition in terms of weight (n=91 [32.73%] and n=38 [21.47%]). On entomological study, 578 (62.62%) and 345 (37.38%) female and male Glossina tachinoides fly species were cached, respectively, with overall mean flies/trap/day of 5.19 (n=923). Despite the prevalence of trypanosomosis in infected cattle, of 130 G. tachinoides flies dissected, only three were found to be positive for an infection rate of 2.31%. Malacological study identified three snail species known to maintain fascioliasis: Lymnea truncatula (n=28, 45.16%), Lymnea natalensis (n=23, 37.10%), and Biomphalaria (n=11, 17.74%). Concurrent infection with fascioliasis and trypanosomosis was mainly associated with the co-occurrence of their intermediate host snails and Glossina flies, respectively, with 4.42% (n=23) prevalence.Conclusion: This study clearly demonstrated that the former parasite was highly associated with emaciation, whereas the second was responsible for anemia. In future,researchers should focus solely on estimating meat and milk production of local cattle to assess the economic impact of the study parasites.Keywords: concurrent infection, fascioliasis, trypanosomosis, associated risk factors, cattle |
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