Prevalence and associated risk factors of bovine trypanosomosis in tsetse suppression and non-suppression areas of South Omo Zone, Southwestern Ethiopia

Tegegn, T; Tekle, O; Dikaso, U; Belete, J

doi:10.1016/j.prevetmed.2021.105340

Cited by 4 publications

(6 citation statements)

References 41 publications

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“…The age of the study animals was significantly associated with trypanosome prevalence, that is, higher infection in older animals than young. Previous research findings of Alemayehu et al, 42 Gona et al, 48 and Tegegn et al, 40 were consistent with our current result, which reported a significant difference in the prevalence of the disease among different age groups, that is, there was lower disease prevalence in young age groups than in older animals. However, Nigatu, 46 Ayele et al, 39 and Tilahun, 47 disagree with the current finding, who stated an insignificant infection rate of trypanosomosis among different age groups.…”

Section: Discussionsupporting

confidence: 93%

“…Poor body-conditioned animals were more infected than medium and good body-conditioned animals. Previously, Gona et al, 48 Tegegn et al, 40 and Ayele et al, 39 also reported similar findings of higher trypanosomosis prevalence in poorly conditioned cattle than in medium and good body conditioned animals. Animals become emaciated (poor) due to other disease infections and poor nutritional status.…”

Section: Discussionmentioning

confidence: 56%

“…However, a higher bovine trypanosomosis prevalence was reported by Ayele et al, 39 and Tegegn et al, 40 in the Deramallo of Gamo zone and Gnangatom district of the South Omo zone, respectively. On the other hand, lower prevalence reports from Sodo Zuriya District (5%), the Kaffa zone (6.9%), Didessa district (5.47%), and Dale-Wembera district (2.86%) were disclosed by Hundessa et al, 41 Alemayehu et al, 42 Bekele and Nasir, 43 and Biyazen et al, 19 respectively.…”

Section: Discussionmentioning

confidence: 76%

“…Also, Terefa 36 and Bekele et al 37 reported a prevalence of 15.1% and 21% in tsetse-infested Western and Southern Rift valley areas, respectively. Similarly, a higher prevalence of 17.2% was reported in tsetse-infested Metekel areas by Afewerk et al 38 However, a higher bovine trypanosomosis prevalence was reported by Ayele et al, 39 and Tegegn et al, 40 in the Deramallo of Gamo zone and Gnangatom district of the South Omo zone, respectively. On the other hand, lower prevalence reports from Sodo Zuriya District (5%), the Kaffa zone (6.9%), Didessa district (5.47%), and Dale-Wembera district (2.86%) were disclosed by Hundessa et al, 41 Alemayehu et al, 42 Bekele and Nasir, 43 and Biyazen et al, 19 respectively.…”

Section: Discussionmentioning

confidence: 79%

“…In agreement with our results, previously Nigatu, 46 and Tilahun, 47 reported equal infection of bovine trypanosomosis in males and females from Abbay Basin areas and Southwest Oromia region, respectively. However, the report of Tegegn et al, 40 showed significantly higher infection in females (29.3%) than males (18.5%) from the Gnangatom district of the South Omo zone.…”

Section: Discussionmentioning

confidence: 81%

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Study on Bovine Trypanosomiasis and Associated Risk Factors in Benatsemay District, Southern Ethiopia

Fesseha

Eshetu

Mathewos

et al. 2022

Environ�Health�Insights

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Trypanosomosis is an endemic livestock disease in Ethiopia that hinders livestock production and productivity, especially in fertile agricultural western and southwestern areas. A cross-sectional questionnaire-based and parasitological studies were conducted from October 2020 to July 2021 in the Benatsemay district, southern Ethiopia to assess the knowledge of livestock owners about trypanosomosis, its prevalence, and host-related risk factors associated with bovine trypanosomosis in the area. According to the questionnaire survey, trypanosomosis was the main bottleneck to cattle in two of the selected study Sites in the Benatsemay district. The parasitological survey revealed that 11.46% (44/384) of the cattle were infected with trypanosomosis. Moreover, Trypanosoma congolense (9.11%) is the leading trypanosome species in the area, followed by T. vivax (31.8%). The adult age group (16.15%), poor-conditioned cattle (22.22%), and black-skinned cattle (34.24%) were significantly associated ( P < .05) with trypanosomosis infection in the study area. Furthermore, the mean packed cell volume (PCV) of parasitaemic cattle (22.75%) was significantly ( P < .05) lower than that of aparasitaemic cattle (29.23%). Therefore, the present study revealed that the prevalence of bovine trypanosomosis in the study area and participatory vector control and the rational use of trypanocidal drugs should be implemented to control trypanosomosis in the area.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 56%

Section: Discussionmentioning

confidence: 76%

Section: Discussionmentioning

confidence: 79%

Section: Discussionmentioning

confidence: 81%

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Study on Bovine Trypanosomiasis and Associated Risk Factors in Benatsemay District, Southern Ethiopia

Fesseha

Eshetu

Mathewos

et al. 2022

Environ�Health�Insights

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Seasonal prevalence of bovine trypanosomosis and trypanosome species distribution in Jimma Horo district, Oromia regional state, Western Ethiopia

Degneh

Kassa

Kebede

et al. 2023

Parasite Epidemiology and Control

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Prevalence of pathogenic trypanosome species in naturally infected cattle of three sleeping sickness foci of the south of Chad

et al. 2022

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Although a diversity of trypanosome species have been detected in various animal taxa from human African trypanosomosis (HAT) foci, cattle trypanosomosis has not been addressed in HAT foci of west and central African countries including Chad. This study aimed to determine the prevalence of pathogenic trypanosome species in cattle from three HAT foci of the south of Chad. Blood samples were collected from 1466 randomly selected cattle from HAT foci of Mandoul, Maro, and Moïssala in the south of Chad. For each animal, the sex, age and body condition were recorded. Rapid diagnostic test (RDT) was used to search Trypanosoma brucei gambiense antibodies while the capillary tube centrifugation (CTC) test and PCR-based methods enabled to detect and identify trypanosome species. From the 1466 cattle, 45 (3.1%) were positive to RDT. The prevalence of trypanosome infections revealed by CTC and PCR-based method were respectively 2.7% and 11.1%. Trypanosomes of the subgenus Trypanozoon were dominant (6.5%) followed by T. congolense savannah (2.9%), T. congolense forest (2.5%) and T. vivax (0.8%). No animal was found with DNA of human infective trypanosome (T. b. gambiense). The overall prevalence of trypanosome infections was significantly higher in animal from the Maro HAT focus (13.8%) than those from Mandoul (11.1%) and Moïssala HAT foci (8.0%). This prevalence was also significantly higher in animal having poor body condition (77.5%) than those with medium (11.2%) and good (0.5%) body condition. The overall prevalence of single and mixed infections were respectively 9.4% and 1.6%. This study revealed natural infections of several pathogenic trypanosome species in cattle from different HAT foci of Chad. It showed similar transmission patterns of these trypanosome species and highlighted the need of developing control strategies for animal African trypanosomosis (AAT) with the overarching goal of improving animal health and the economy of smallholder farmers.

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Prevalence and associated risk factors of bovine trypanosomosis in tsetse suppression and non-suppression areas of South Omo Zone, Southwestern Ethiopia

Cited by 4 publications

References 41 publications

Study on Bovine Trypanosomiasis and Associated Risk Factors in Benatsemay District, Southern Ethiopia

Study on Bovine Trypanosomiasis and Associated Risk Factors in Benatsemay District, Southern Ethiopia

Seasonal prevalence of bovine trypanosomosis and trypanosome species distribution in Jimma Horo district, Oromia regional state, Western Ethiopia

Prevalence of pathogenic trypanosome species in naturally infected cattle of three sleeping sickness foci of the south of Chad

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