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KMID : 1023520060290010009
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Korean Journal of Veterinary Service
2006 Volume.29 No. 1 p.9 ~ p.18
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Serological survey of avian pneumovirus and reovirus in breeders of Jeonbuk province
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Lee Jeoung-Won
Shon Ku-Rye
Park Ki-Shung
Kim Youn-Tae
Kim Choo-Cheol
Han Kyu-Sam
Lee Hee-Mun
Song Hee-Jong
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Abstract
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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.
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KEYWORD
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Avian pneumovirus (APV), Avian reovirus (ARV), ELISA, S/P ratio
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