Serological Survey on Avian Pneumovirus Infection in Commercial Poultry Farms in Saudi Arabia

This study was conducted to detect the presence of avian pneumovirus (apv) antibodies in commercial poultry farms using enzyme-linked immunosorbent assay (elisa) and virus neutralization test (vn). eighty seven chicken serum samples were collected from several commercial poultry farms in al-qassium area, saudi arabia during 2007-2008. the serum samples were collected from birds of various ages (from one-day old to 62 weeks of age). antibodies to apv were detected in 50% (8 out of 16) by both elisa and virus neutralization (vn) test at farms in birds of 11-18 weeks of age only. the total positive samples were 8/87 (9.2%) of all examined samples. in conclusion, this study indicated the presence of antibodies to apv among 11-18 weeks old commercial chicken at farms in saudi arabia.