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Serological survey of avian pneumovirus and reovirus in breeders of Jeonbuk province  

Lee Jeoung-Won (Jeonbuk Livestock Development & Research institute)
Shon Ku-Rye (Jeonbuk Livestock Development & Research institute)
Park Ki-Shung (Jeonbuk Livestock Development & Research institute)
Kim Youn-Tae (Jeonbuk Livestock Development & Research institute)
Kim Choo-Cheol (Jeonbuk Livestock Development & Research institute)
Han Kyu-Sam (Jeonbuk Livestock Development & Research institute)
Lee Hee-Mum (Jeonbuk Livestock Development & Research institute)
Song Hee-Jong (Bio-Safety Research Institute, Chonbuk National University)
Publication Information
Korean Journal of Veterinary Service / v.29, no.1, 2006 , pp. 9-18 More about this Journal
Abstract
The ELISA titers to avian pneumovirus (APV) and avian reovirus (ARV) were surveyed to sera of 38 breeder farms (78 blocks, 1,560 hens) in Jeonbuk province during February to October, 2005. In APV, the positive ELISA were detected 36 (94.7%) breeders, 71 (91.0%) blocks, 1,057 (67.8%) hens, and their S/P ratio was 1.940. Regionally, the positivity of 24 breeders farms in the Jeonju, Jeongeup, Namwon, and Jangsu were noted as 100%, whereas 85.7% in Iksan. The positivity to species such as Cobb (20), Ross (13) and Hanhyup-3 (5), all of the breeding farms were detected as positive, 40 (86.9%), 17 (94.4%) and 14 (100.0%) in blocks, 553 (60.1%), 285 (79.2%) and 219 (78.2%) in hens, and their mean S/P ratio were 1.677, 1.769 and 2.254, respectively. The positivity of the breeders vaccinated with ARV, all of the 9 breeder farms (38 blocks) were noted as 100%, but 627 (82.5%) in hens, and its mean S/P ratio was 1.273. Whereas nonvaccinated with ARV were 28 (96.5%) in breeders farms, 38 (95.0%) in blocks, 660 (82.5%) in hens, and the mean S/P ratio was 1.612. In species which were vaccinated with ARV, 11 breeder farms (38 blocks) were noted as 100%, but 82.5% in hens, and their mean S/P ratio were 1.315. Whereas in nonvaccinated with ARV, 25 (92.6%) in farms, 38 (95.0%) in blocks and 660 (82.5%) in hens were positive, and their mean S/P ratio was 1.532.
Keywords
Avian pneumovirus (APV); Avian reovirus (ARV); ELISA; S/P ratio;
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