Abstract
An outbreak of peste des petits ruminants (PPR) in lambs and young goats of Najdi breed of sheep and goats occurred during winter 2005 at Qassim region of central Saudi Arabia. The PPR infection was confirmed by demonstration of antibodies against the virus in the serum of clinically-ill young sheep and goats using competitive ELISA test. Clinical examination of infected animals showed fever, salivation, lacrimation, mucopurulent nasal discharge, difficult breathing and diarrhoea. The disease was particularly severe in the goats. Morbidity was about 20% and mortality was less than 3 percent. Autopsy showed necrotic and ulcerative lesions in the mouth, stomach and intestine. Mesenteric lymph nodes were swollen and congested. The lungs were patchy pneumonic mostly at the diaphragmatic and apical lobes. Liver and kidney lesions were seen in goats only and both organs were congested and necrotic. Histopathological examination revealed necrotic inflammation in the gastrointestinal tract. Intracytoplasmic viral inclusions were seen in the enterocytes of goats. Lung sections showed bronchopneumonia and syncytial and giant cells. The bronchial epithelium of goats had intracytoplasmic viral inclusions. Extensive coagulation necrosis, fatty degeneration and presence of intracytoplasmic viral inclusions were seen in hepatocytes and syncytial cells were evident in biliary epithelium of goats. Congestion, coagulation necrosis and syncytial cells were seen in the renal tubular epithelium of goats only. In a survey to determine the magnitude of the outbreak, PPR antibodies were evidenced in 363/996 (36.6%) sheep and 530/962 (55.1%) goats.
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Acknowledgements
This work has been financed by the Deanship of Scientific Research, Qassim University. The help and cooperation offered by the farm owners and their staff in handling animals and samples collection is very much appreciated. We acknowledge the help in histopathology offered by professor O. M. Mahmoud.
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Al-Dubaib, M.A. Peste des petitis ruminants morbillivirus infection in lambs and young goats at Qassim region, Saudi Arabia. Trop Anim Health Prod 41, 217–220 (2009). https://doi.org/10.1007/s11250-008-9178-6
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DOI: https://doi.org/10.1007/s11250-008-9178-6