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頁籤選單縮合
題 名 | 傳染性華氏囊病病毒鴨及雞分離株之病原性=Pathogenicity of Duck and Chicken Isolates of Infectious Bursal Disease Virus |
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作 者 | 蔡向榮; 呂榮修; 林地發; 李淑慧; | 書刊名 | 臺灣畜牧獸醫學會會報 |
卷 期 | 66:1 1996.03[民85.03] |
頁 次 | 頁19-26 |
分類號 | 437.246 |
關鍵詞 | 傳染性華氏囊病病毒; 鴨分離株; 病原性; Infectious bursal disease; IBD; Duck isolate; Pathogenicity; |
語 文 | 中文(Chinese) |
中文摘要 | 1992年及1993年由鴨與雞分別分離到之第一血清型傳染性華氏囊病病毒(IBD) 各l株,對4週齡SPF雞可引起80-100%死亡率,對8週SPF雞方可引起40∼50%死亡率; 但此二IBD毒株對1日齡及30日齡鴨則皆未引起死亡或任何臨床症狀,亦未引起華氏囊之肉 眼病或萎縮;但組織病理學檢查顯示此二毒株對1日齡鴨隻可引起華氏囊之輕度至中度之病 變,而對接種之30日齡鴨則否;此外,接種此二毒株之1曰齡及30曰齡鴨,對新城雞瘟疫苗 或家禽霍亂疫苗之抗體反應並未受到抑制;綜合上述試驗結果顯示此二毒株對雞具高病原 性,但對鴨則無明顯之病原性。1日齡及30日齡鴨以點眼及點鼻的方式接種此二毒株後有 IBD抗体反應,便在接種後第1-7天及第14天,以市售之IBD病毒抗原ELISA測定套組無法 出接種鴨之華氏囊、脾臟、胸腺、與直腸等臟器乳劑中測得病毒抗原;但以接種鴨之華氏囊 製成之乳劑,接種6週齡SPF雞可引起高死亡率與典型之IBD臨床症狀與病獎變;綜合上述 試驗結果顯示此二毒株感染鴨後至少可存在於接種鴨之華氏囊,並引起接種鴨抗体反應。 |
英文摘要 | A serotype 1 infectious bursal disease virus (IBDV) isolated from ducks in 1992 and a serotype 1 IBDV isolated from chicken in 1993 were studied for their pathogenicity to chickens and ducks. The viruses caused 88-100% mortality in 4-wkke-old SPF chickens, and 40-50% mortality in 8-week-old SPF chickens. But both viruses cause neither clinical disease, mortality, nor gross lesions in Bursa of Fabricius (BF) in one-day-old and 30-day-old ducklings. However, mild to moderate histopathologic lesions were observed in ducklings inoculated at one day of age, but not in the ducklings inoculated at 30-day-old. The immune response to Newcastle disease vaccine and fowl cholera vaccine in both age groups was not reduced. The inoculated ducklings had antibody response to both viruses, but no virus could be detected by a commercial antigen detection ELISA kit. However, typical IBD lesions and mortality were induced in SPF chickens orally inoculated with pooled emulsions of BF from inoculated ducklings of both age groups. |
本系統中英文摘要資訊取自各篇刊載內容。