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Distribution and prevalence of gastrointestinal tract nematodes of sheep at highland and midland areas, Ethiopia

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Abstract

Gastrointestinal nematodes infections are the most important causes of wastage and decreased productivity. This study was conducted with the objectives of estimating the prevalence of gastrointestinal nematodes infection, and the associated risk factors. The overall prevalence of gastrointestinal nematodes infection was 83% (n = 568). The prevalence of gastrointestinal nematodes infection at Debre-Zeit and Debre-Birhan were 84% and 82.3%, respectively. It was significantly higher in poor body condition and soft faecal consistency (P < 0.05) sheep. The overall mean eggs per gram of faeces was 635.2 (95% CI 590.6–679.9). The mean egg per gram was significantly influenced by site of the study, body condition score and faecal consistency (P < 0.05). The faecal egg count was higher in midland area, and in sheep with poor body condition, and soft faecal consistency and diarrhea. The light and moderate level of infections accounted for 73.8% and 17.3%, respectively. With the coproculture the main genera identified were include: Haemonchus, Trichostrongylus, Teladorsagia/Ostertagia and Trichuris in decreasing order of their abundance. To improve sheep health and productivity their control is crucial. Hence, appropriate animal health extension work and training of sheep farmers how they able to identify anemic and diarrheic sheep are helpful. Moreover, training on how to deworm with correct drug and dose for animal owners is important in the control of these parasites. Further epidemiological studies and survey on the development of anthelmintic resistance in the areas is required.

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Authors and Affiliations

  1. Hawassa University, Hawassa, Ethiopia

    Desie Sheferaw

  2. MoLFR, SNNPRS, Hawassa, Ethiopia

    Ahmed Mohammed

  3. MoLFR, Oromia Regional State, Addis Ababa, Ethiopia

    Ashagre Degefu

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  1. Desie Sheferaw
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  2. Ahmed Mohammed
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  3. Ashagre Degefu
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Correspondence to Desie Sheferaw.

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Sheferaw, D., Mohammed, A. & Degefu, A. Distribution and prevalence of gastrointestinal tract nematodes of sheep at highland and midland areas, Ethiopia. J Parasit Dis 45, 995–1001 (2021). https://doi.org/10.1007/s12639-021-01397-8

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