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Epidemiological, Hematological and Biochemical Study of Gastrointestinal Parasitic Infection in Sheep | ||
| Basrah Journal of Veterinary Research | ||
| Article 5, Volume 24, Issue 3, September 2025, Pages 50-60 PDF (579.59 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.23975/bjvr.2025.157572.1199 | ||
| Author | ||
| Assel Al-Naqshabendy Anwer Al-Naqshabendy* | ||
| Department of Medicine and Surgery- College of Veterinary Medicine- University of Duhok-Iraq | ||
| Abstract | ||
| Sheep parasitism is a serious issue that affects farmers all over the country. The sheep industry suffers greatly from a parasitic relationship since gastrointestinal parasite infestations are the primary factor that restricts sheep productivity. This study, conducted between November 2023 and April 2024 in Duhok Province, Iraq, aimed to determine the prevalence of gastrointestinal parasites in sheep, identify the dominant parasitic species, evaluate associated risk factors, and analyze the hematological and biochemical changes in infected animals compared to healthy controls. A total of 110 fecal and blood samples were randomly collected, revealing an overall parasite prevalence of 57.2%. Six helminth species (Marshallagia marshalli, Strongylus, Moniezia expansa, Ostertagia stertagi, Eimeria spp., and Trichuris trichiura) were identified, with Marshallagia marshalli and Strongyles spp. being the most prevalent. Infection rates were significantly influenced by age and management systems. Hematological findings indicated a notable decrease in hemoglobin (Hb), total erythrocyte count (TRBCs), packed cell volume (PCV), and platelet count (PLT). Meanwhile, mean corpuscular volume (MCV) increased, and mean corpuscular hemoglobin concentration (MCHC) declined, suggesting macrocytic hypochromic anemia. Additionally, total leukocyte count (TWBCs) significantly increased due to elevated neutrophils, eosinophils, and monocytes. Serum biochemical analysis showed a significant rise in alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), cholesterol, and triglycerides. At the same time, glucose, total protein, and creatinine levels were significantly lower in infected sheep. However, serum bilirubin and blood urea nitrogen (BUN) levels remained unaffected by the infestation. Parasitic infections significantly impact hematological and biochemical parameters, leading to economic losses. Therefore, effective management and preventive strategies should be implemented to mitigate the harmful effects of these infestations. | ||
| Keywords | ||
| GIT parasites; Sheep; Hematology; Biochemical | ||
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