| Studies on Haemophilus Infection in Chickens III. Biological and Serological Characteristics of Haemophilus gallinarum Isolated from Chickens Affected with Coryza |
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Sun Namgoong, Ki-Seuk Kim, In-Pil Mo, Keun-Sik Park |
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Instititute of Veterinary Research, Office of Rural Development |
| 닭의 Haemophilus 감염증(感染症)에 관(關)한 연구(硏究) III. 야외(野外)에서 분리(分離)한 Haemophilus gallinarum의 특성(特性) |
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남궁선, 김기석, 모인필, 박근식 |
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농촌진흥청 가축위생연구소 |
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| Abstract |
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Infectious coryza is one of the important acute respiratory diseases causing a significant egg drop and retarded growth in chicken. An attempt for the isolation of etiologic agent was made by utilizing SPF sentinel birds housed in commercial farms and the results obtained are as follows. Fifteen isolates of Haemophilus gallinarum were tested for their biological and serological characteristics with reference strains, 221 and Modesto and subsequently classified into two serotypes. Of them, isolates immunolocally identical to the standard strains were also selected as vaccine strains for future studies. |
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