Histopathology of peste des petits ruminants in goats and sheep of Sistan region

Subject Areas : Veterinary Clinical Pathology

Yasaman Derakhshan ¹ , Seyedeh Aida Davari ² , Ali sarani ³

1 - D.V.M Graduate, Faculty of Veterinary Medicine, University of Zabol, Zabol, Iran.
2 - Assistant Professor, Department of Pathobiology, Faculty of Veterinary Medicine, University of Zabol, Zabol, Iran.
3 - Assistant Professor, Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Zabol, Zabol, Iran.

Received: 2018-06-22 Accepted : 2019-04-16 Published : 2019-11-22

Keywords: Sheep, Sistan, Histopathology, Goat, Peste-des-petits ruminants,

Abstract :

Peste-des-petits ruminants, is an important viral contagious disease of sheep and goat. Considering the importance of PPR in Sistan region, its economic losses as a consequence of mortality and treatment expenses, the high consumption of animal meat in the traditional way of slaughter in this area and lack of adequate supervision on animal health, the present study was conducted with the aim of histopathological investigation of this disease in sheep and goats of Sistan region. Tissue specimens from mouth, lungs, intestines and lymph nodes of 30 cases from suspected flocks were collected and after tissue processing were microscopically examined. In microscopic investigation, lesions were observed in 9 specimens. The data were analyzed using SPSS software and Kappa test. The incidence of infection in sheep and goats was 33.25% and 38/88% respectively and significant association was observed between species and lesions such as multinucleated inflammatory cells accumulation and syncytial cells formation (p < /em><0.05). Also, the infection rates in ruminants less than and more than two years old were 35.18% and 22.8%, respectively and significant statistical relationship was found between the age and the severity of mononuclear inflammatory cells accumulation (p < /em><0.05). The contamination rates in males and females were 49.98% and 12.5%, respectively and significant statistical association was found between the sex and the incidence of lesions like multinucleated inflammatory cells accumulation, syncytial cells and intracytoplasmic inclusion bodies (p < /em><0.05). The results of this study demonstrated that there is a higher incidence of PPR occurrence in Sistan region in goats less than two years old with much severe pathologic lesions.

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