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Pathology of Experimentally Induced Hydropericardium Syndrome in Ostrich

Pathology of Experimentally Induced Hydropericardium Syndrome in Ostrich

 Attaur Rahman1, Sadeeq ur Rahman1,*, Ashfaq Ahmad2, Abdul Sajid1, Muhammad Asif Hussain1, Mian Muhammad Salman1, Niamat Ullah Khan1, Kamran Khan3, Fazli Rabbani1, Muhammad Akbar Shahid4, Irshad Ahmad5 and Shakoor Ahmad6

 1College of Veterinary Sciences and Animal Husbandry, Abdul Wali Khan University, Mardan

2Department of Plant Breeding and Genetics, University of Agriculture, Peshawar
3Sindh Poultry Vaccine Centre, Karachi
4Department of Pathobiology, Faculty of Veterinary Sciences, Bahauddin Zakariya University, Multan
5School of Biomedical Sciences, University of Leeds, United Kingdom
6Department of Animal Health, The University of Agriculture, Peshawar

*     Corresponding author: sadeeq@awkum.edu.pk

 

ABSTRACT

 Pathology of hydropericardium syndrome (HPS) induced by fowl adenovirus-4 (FAdV-4) in ostriches was compared with that of broiler chicken kept as standard. A 106.25/ml/bird (chicken lethal dose 50 (CLD50)) was injected to ostriches and broiler (control) and were clinically observed for 7 days. Our results showed that a peak cloacal temperature was recorded on day 3 and day 4 with a 2.3°F and 1.2°F maximum rise in broiler and ostrich, respectively. A decrease in feed and water intake was recorded in both broiler and ostrich from 116 g to 82 g/bird and from 235 ml to 172 ml/bird for broiler, and from 1300g to 790 g/bird and from 1433 ml to 995 ml/bird for ostriches on days 0-7 post-inoculation. Interestingly, morbidity was observed 100%, while maximum mortality of 100% in broiler and 33% in ostriches was observed on day 7 and 6 post-inoculation, respectively. Interestingly, gross lesions were found similar comprising hydropericardium, hepatomegaly, hepatitis, nephritis and spleenomegaly. Altogether, albeit, FAdV-4 caused similar symptoms and lesions in ostriche, however, mortality remained comparatively lower.

 

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Pakistan Journal of Zoology

August

Vol. 51, Iss. 4, Pages 1203-1598

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