Study on Clinical Pathology, Gross and Histopathological Alterations Caused by Trematode Infections and Their Associated Risk Factors in Ruminants Slaughtered at Three Municipal Abattoirs in Central Ethiopi
| dc.contributor.advisor | Dr. Jirata Shifera | |
| dc.contributor.advisor | Professor Yacob Hailu | |
| dc.contributor.advisor | Professor Getachew Terefe | |
| dc.contributor.author | Adisu Wakuma | |
| dc.date.accessioned | 2024-11-04T10:05:46Z | |
| dc.date.available | 2024-11-04T10:05:46Z | |
| dc.date.issued | 2023 | |
| dc.description.abstract | A cross-sectional study was conducted to study clinical pathology, gross and histopathological alterations Caused by trematode infections and their associated risk factors in ruminants slaughtered from November 2022 to June 2023 at three municipal abattoirs in central Ethiopia. Thorough ante mortem and post mortem inspection was undertaken in the selected abattoirs. For this purpose, a total of 256 ruminants were involved in the study through systemic random sampling techniques and d analyzed for trematode parasite infestations. From the selected animals, 137 bovines, 64 ovines, and 55 caprines, were analyzed for trematodes parasites. The overall prevalence of ruminant fasciolosis and paramphistomosis was 32.42% (83/256) and 43 (16.80%), respectively. There was no statistically significant variation in the prevalence of ruminant fasciolosis between the different species of animals, but there was a significant association between paramphistomosis and animal species. The prevalence of fasciolosis was higher in caprine (41.82% (23/55) and lower in bovine (29.50%) (40/137), followed by ovine (31.25% (20/64) and was higher in young animals (45, 40.54%) than in adult animals (38, 26.21%), but the prevalence of paramphistomosis in young animals was lower (17, 15.32%) than in the adult group (26, 17.93%). The association of Fasciola prevalence and ages showed that there was a significant difference (p 0.05). The infection rates of fasciolosis and paramphistomosis for ruminants with poor body condition were 47.62% and 28.57%, while for medium body condition they were 32.81% and 28.97%, and for good body condition they were 28.97% and 15.89%, respectively. Based on ruminant origin, Jima (52.63%), and Dukem (22.50%) had the greatest rates of fasciolosis and paramphistomosis, respectively; but lowest in Adama (11.76%) for fasciolosis. Fasciola-infected ruminants show histopathological changes including hemorrhages, hepatocytic wall dilatation, necrosis, hypertrophy, and portal fibrosis, while paraphistomes-affected animals show muscular degeneration, loose of villi and microvilli. Hematological assay results show lower Packed cell volume, femoglobin, White Blood Cell, and Red Blood Cell counts and higher liver enzymes, while total protein and albumin are lower in infected animals. The study showed a high prevalence of fasciolosis and paramphistomosis in the study areas. Therefore, Further study is needed on trematode infection, its epidemiological distribution, snail intermediate hosts, and strategic measures for effective control options. | |
| dc.identifier.uri | https://etd.aau.edu.et/handle/123456789/3530 | |
| dc.language.iso | en_US | |
| dc.publisher | Addis Abeba University | |
| dc.subject | Abattoir | |
| dc.subject | Cattle | |
| dc.subject | Clinical Pathology | |
| dc.subject | Ethiopia | |
| dc.subject | Goat | |
| dc.subject | Lesion | |
| dc.subject | Sheep | |
| dc.subject | Trematode | |
| dc.title | Study on Clinical Pathology, Gross and Histopathological Alterations Caused by Trematode Infections and Their Associated Risk Factors in Ruminants Slaughtered at Three Municipal Abattoirs in Central Ethiopi | |
| dc.type | Thesis |