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OJVRTM
Online Journal of Veterinary Research©
Volume 17 (7):351-359, 2013. Extensively Redacted 2017.

Clinical and pathological description of extreme infestations by Echinococcus granulosus larvae in sheep and goats

 

GH. Farjani Kish1, A. Mootabi Alavi2

 

1 Departments of Pathology and 2Parasitology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran

 

ABSTRACT

 

Farjani Kish GH,  Mootabi Alavi A., Clinical and pathological description of extreme infestations by Echinococcus granulosus larvae in sheep and goats, Onl J Vet Res., 17 (7):351-359 , 2013. Prevalence and morphological changes in 4800 sheep and goats heavily infested by Echinococcus granulosus larvae is described.  E Granulosus were found in 4.87% goats and 5.5% sheep livers. Only 1 hydatid cyst was found in the kidney of a sheep. Of 234 infested animals, 9 livers (8 sheep and 1 goat) were heavily infested by 81 fertile and 153 sterile cysts. Gross findings were numerous hydatid cysts with severe damage of the parenchyma and hardening of the liver due to fibrous tissue. Histologically hepatic lesions were characterized by a conglomerate of small vesicles and cysts, granulomatous hepatitis, severe hepatic necrosis surrounded by mononuclear inflammatory cells and cirrhosis.

 

Keywords: Hydatidosis, Zoonoses, Echinococcus, Histopathological, slaughter

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