College of Veterinary Sciences

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    PREVALENCE, CYST VIABILITY AND FINANCIAL LOSS OF HYDATIDOSIS IN CATTLE SLAUGHTERED AT MAICHEW MUNICIPAL ABATTOIR, TIGRAY REGION, NORTHERN ETHIOPIA
    (Mekelle University, 2023-10-25) Yohannes Teame
    Hydatidosis is one of the neglected parasitic diseases with both public health and economic importance worldwide. In Ethiopia it is one of the major parasitic diseases responsible for low productivity of livestock industry through imposing poor weight gains and condemnation of organs. Even though, the disease is well documented throughout the country, its current prevalence and economic impact was not known in cattle slaughtered at Maichew municipality abattoir. To fill the gap, a cross-sectional study was conducted from July 2021 to Oct 2023 to estimate the prevalence, cyst characterization and economic importance of bovine hydatid cyst in the Maichew municipal abattoir. To achieve these objectives, routine meat inspection, hydatid cyst count and characterization were performed. In the current study, out of 384 heads of cattle slaughtered and examined in the abattoir; 11.98% (46/384) were harboring hydatid cyst in the major vital organs of the host as follows: lungs, 46.2% (21/46) and liver, 41.8% (18/46). In the current study, these two organs were the most affected once. In addition, out of the total of 117 cysts examined for the fertility test, 46.2 % (54/117), 31.6% (37/117), and 22.2% (26/117) were found to be fertile, sterile, and calcified cysts, respectively. Furthermore, of the total 54 fertile cysts tested for viability, 63% (34/54) were viable and 37% (20/54) were non-viable cysts and the difference in prevalence among animals of different body condition score was statistically significant (P< 0.05). The prevalence was highest in poor body condition than medium and good body condition scores. This might be due to either the impact of the parasites in body condition losses or animal with poor body condition are less resistance to limit the development of the cyst in the vital organs. Lastly, this study revealed that the total annual economic loss due to bovine hydatidosis in Maichew municipal abattoir was estimated to be 461,164.96 ETB (13,974.7US$). The results of this study indicated that hydatidosis pose significant economic impact by causing condemnation of considerable numbers of organs, rendering them unfit for market. Therefore, initiation and implementation of control measures are very important in order to alleviate its economic impact as well as zoonotic risks to the human
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    Prevalence and Associated Risk Factors of Hydatidosis in Sheep and Goats Slaughtered at Maandeeq Abattoir, Hargeisa, Somaliland
    (Mekelle University, 2023-10-28) Yousuf Ahmed Farah
    Hydatidosis, caused by the parasitic cestode Echinococcus granulosus, poses a significant public health concern in many regions. This study aims to determine the prevalence of hydatid cysts in sheep and goats slaughtered at Maandeeq Abattoir in Hargeisa, Somaliland, as well as to identify associated risk factors. A cross-sectional study was conducted for a period of one month with random selection of 400 slaughtered shoats (200 sheep and 200 goats). Post-mortem examinations were performed on visceral organs, including the liver, lung, kidney, heart, and spleen, following recommended procedures. Animals were categorized as either positive or negative for the presence of hydatid cysts based on a comprehensive assessment involving visual inspection, palpation, and systematic organ incision. Data from ante-mortem and post-mortem findings were recorded in MS Excel and analyzed using SPSS statistical software (version 20). The Chi-Square (χ2) test was employed to assess the association between risk factors and the prevalence of Hydatidosis. A pvalue < 0.05 indicated statistical significance. Out of 200 slaughtered sheep, 16 (8.0%) were infected with hydatid cysts. The prevalence among slaughtered goats was 3.5%, with 7 out of 200 goats infected. Overall, of the 400 animals examined (sheep and goats), 23 were infected, resulting in a prevalence of 5.8%. Age class showed a strong association (p < 0.0001), with 13 out of 335 adult animals (2-5 years) and 10 out of 45 old animals (> 5 years) infected. Sex also exhibited a moderate association (p = 0.01), with 8 out of 241 males and 15 out of 159 females infected. Although animal origin displayed a moderate association, it was not statistically significant (p = 0.074). In conclusion, this study determined the prevalence of hydatid cysts in sheep and goats slaughtered at Maandeeq Abattoir in Hargeisa, Somaliland. The results highlight the importance of considering age and sex as potential risk factors for Hydatidosis. Further interventions and control measures are necessary to reduce the prevalence and associated risks of this zoonotic disease