Parasitological and pathological findings of coccidiosis in an experimental infection caused by Eimeria ahsata in lambs
Journal Title: Iranian Journal of Veterinary Science and Technology (IJVST) - Year 2021, Vol 13, Issue 2
Abstract
This study was conducted to investigate the pathogenesis process of E. ahsata and its morphological, pathological, and distribution of lesions in the involved tissues during 42 days of infection. Twelve lambs were randomly divided into two groups including the control and the infected groups after confirmation of their health. The animals in the experiment group were orally infected with 1Ã 105 sporulated oocysts. From 7 days after inoculation (DAI), the feces were sampled and oocysts per gram of feces (OPG) were individually examined for each lamb. . At 7, 14, 21, 28, 35, and 42 DAI, one lamb from each group was necropsied and the abomasum, small and large intestine, mesenteric lymph nodes, spleens, and livers were grossly investigated. From 21 to 42 DAI, mild to severe clinical lesions such as congestion and edema were seen on the mucosal surface of the small intestine associated with white and small foci about 1-2 mm, especially jejunum and ileum. From 7 DAI to the end of the study various stages of the parasite life cycle, infiltration of inflammatory cells, epithelial hyperplasia of villi, and destruction of villi epithelium were seen. Â The results showed that E. ahsata was pathogenic in lambs and the macro and microscopic lesions were mostly seen in the jejunum.
Authors and Affiliations
Nader Ahmadi Saleh Baberi,Iraj Karimi,Hossein Nourani,Hamidreza Azizi,Gholamreza Razmi,
Keywords
Related Articles
- EP ID EP722362
- DOI -
- Views 32
- Downloads 1
Effect of cobalt nano-particles on serum biochemical and histopathological changes in liver and kidney of lambs
Cobalt is an essential co-factor in red blood cell production and function and its deficiency may produce clinical signs in sheep. Thus, present study was designed to evaluate the effect of cobalt nano-particles on s...
A serological survey on Leptospiral infection in squirrels and hamsters in Ahvaz district, SouthWest of Iran
Leptospirosis is a zoonotic infectious disease of worldwide distribution. The infection is caused by various serovars of Leptospira interrogans sensu lato. Although the squirrels and hamsters are considered to be the res...
Evaluation of antibody against hydatid fluid, protoscolex and adult worms of Echinococcus granulosus antigens by ELISA in mice
Echinococcosis is one of the worldâs relevant zoonoses, affecting both humans and their domestic animals and caused by infection with the metacestode stage of the dog tapeworm, Echinococcus granulosus. In the present s...
Effects of different antimicrobials agents on mycoplasma species isolated from ruminants by macro culture technique
Mycoplasma is an important respiratory tract pathogen worldwide, causing respiratory tract infection in small ruminants ( sheep and goats). It is a bacterium that causes acute respiratory illness ranging in severity from...
Tert-butylhydroquinone (TBHQ) improves antioxidant status in rat tissues following chronic diazinon intoxication
Considering that the involvement of oxidative stress has been implicated in the toxicity of organophosphate insecticides, the objective of the present study was to investigate antioxidants and oxidative stress markers...