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Transovarian Transmission of Hydropericardium Syndrome Virus in Experimentally Infected Poultry Birds

Transovarian Transmission of Hydropericardium Syndrome Virus in Experimentally Infected Poultry Birds

Rabia Tahir1*, Khushi Muhammad1, Masood Rabbani1, Muti-u-Rehman Khan2, Farah Khan1, Hassan Bin Aslam1 and Arslan Mehboob

1Department of Microbiology, University of Veterinary & Animal sciences, Lahore-54000, Pakistan; 2Department of Pathology, University of Veterinary & Animal sciences, Lahore-54000, Pakistan; 3Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081 P.R. China.

rabia.tahir@uvas.edu.pk 

ABSTRACT

The primary aim of this study was to investigate the transmission pattern of avian adenovirus serotype 4 (AAV-4) causing hydropericardium syndrome (HPS) by transovarian route. For this purpose, liver and spleen samples (n=90) were collected from day-old-chicks derived from breeders at 14, 21 and 30 days of post-infection with AAV-4. The presence of AAV-4 DNA was detected through PCR. Chicks from virus-challenged breeders failed to show a clear and expected PCR positivity. The connotations derived from these findings are that vertical transmission via transovarian route is reported the field conditions. However, based on genetic detection such evidences are lacking. The molecular mechanism and establishment of latent infections warrant future investigations to elucidate these discrepancies.

 

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Hosts and Viruses

June

Vol.6, Iss.3, Pages 42-84

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