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題名 | 敗血性巴氏桿菌(Pasteurella multocida)與豬肺炎之相關性研究 |
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作者 | 周濟眾; | 書刊名 | 臺灣畜牧獸醫學會會報 |
卷期 | 64 1994.12[民83.12] |
頁次 | 頁31-42 |
分類號 | 437.657 |
關鍵詞 | 敗血性巴氏桿菌; 豬肺炎; Pasteurella multocida; |
語文 | 中文(Chinese) |
中文摘要 | 為瞭解豬巴氏桿菌肺炎在本省之流行狀況,特自1990年7月起至1992年元月止 收集本省斃死豬、屠宰豬做肺炎之病理及細菌學檢查。結果1066例肺炎中與巴氏桿菌有關者 共407例(佔38.2%),而其中之225 例為單純巴氏菌感染。豬自1月齡起即有感染,至5 月齡最高。罹患季節以12月至3月間天氣較冷時最高。所分離到的巴氏桿菌大部份屬於A 型菌(佔76.7%),其中146.6%會產毒。D型菌佔16%,但其中產毒株比例為72.3%,90 個屠宰場病例分離株中,A型菌佔87.8%,D型菌7.8%;兩型之產毒株入例分別為5.1%及 28.6%,低於現場分離株甚多。以豬隻接種試驗測試巴氏桿菌之致病力,發現分離率最高之A 型菌對豬之毒力並不高,即使以弱產毒株高量接種,或中量接種後給予饑餓、溫差及氨氣等 緊迫亦不容易使豬隻帶菌或發病。 |
英文摘要 | Pathological and bacteriological studies were made on the pneumonic lungs collected from necropsied and slaughtered pigs for the purpose of identification of Pneumonic Pasteurellosis. Among the total of 1066 pneumonic lungs, 407(38.2%) were associated with Pasteurella multocida infections and 225 were identified as simple P. mulocida infection. Pneumonic Pasteurellosis was initially found in one-month-old piglets, then gradually increased its prevalence rate followed by growing, and reached its peak at five months of age. The disease frequently occurred during December to March. Most of the P. multocida isolates were identified as P. multocida type A (76.7%) and type D (16%). Of the two major serotypes, 14.6% of type A and 27.3% of type D were toxigenic. Among the 90 strains isolated from the abattoir pigs, the isolation rate of type A and type D were 5.1% and 28.6%, respectively. The pigs experimentally inoculated with low toxigenic P. multocida type A isolates after treated by different stresses such as starvation, temperature change and ammonia irritation to induce pneumonia were not successful. |
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