頁籤選單縮合
題名 | 羥四環素防治蜜蜂美洲幼蟲病的效果=Control Effects of Oxytetracycline on American Foulbrood, Paeniacillus larvae larvae, of Honey Bee, Apis mellifera |
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作者 | 陳裕文; 劉瑞生; 何鎧光; 王重雄; 安奎; | 書刊名 | 臺灣昆蟲 |
卷期 | 21:3 2001.09[民90.09] |
頁次 | 頁209-220 |
分類號 | 438.7 |
關鍵詞 | 羥四環素; 美洲幼蟲病; 幼蟲芽孢桿菌; 防治; Oxytetracycline; American foulbrood; Paeniacillus larvae larvae; Control; |
語文 | 中文(Chinese) |
中文摘要 | 台灣本土分離的幼蟲芽孢桿菌(Paeniacillus larvae larvae)對羥四環素(oxytetracycline, OTC)非常敏感,室內培養基試驗顯示OTC對孢子的最低抑制濃度(MIC)為0.125 μg/ml,但不具殺滅孢子的效果。田間試驗的結果顯示西洋蜂群餵飼1次含125 mg OTC的糖漿,可完全抑制美洲幼蟲病(American foulbrood)的發生至少達9日(施藥前2日+施藥後7日);50 mg OTC劑量則可完全抑制至少達3日(施藥後)。輕微感染美洲幼蟲病的西洋蜂群(病徵數<50),可藉換箱處理保留成蜂,新蜂群至少可達15週不會再復發疾病;嚴重感染的蜂群(病徵數>500),蜂群必須先經換箱處理,並於換箱5日後餵飼1次含125 mg OTC的糖漿,才能達到相同的防治效果。 |
英文摘要 | In vitro tests, oxytetracycline (OTC) showed a highly inhibitory effect on spores of Paeniacillus larvae larvae isolated from colonies of honey bee (Apis mellifera) in Taiwan (MIC = 0.125 μg/ml), but showed no sporicidal effect. In field tests, honey bee colonies were medicated with OTC syrup to determine its effectiveness in prevention of American foulbrood (AFB) in young larvae. Results showed that two doses of OTC syrup, 125 mg/colony and 50 mg/colony, prevented AFB signs for a period of, at least, 9 days and 3 days, respectively. Colonies with a mild AFB infection treated with hive replacement recovered from the disease, and no AFB recurrence was seen in an investigation period of 15 weeks. In addition to hive replacement, colonies with a heavy infection should also be medicated with 125 mg of OTC on the 5th day post-replacement. |
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