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題名 | 三氯松抗吳郭魚慈鯛指環蟲之藥效試驗=Antihelminth Activity of Trichlorfon Against Cichlidogyrus Spp. from Tilapia Aureus |
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作者 | 何素鵬; 江啟煌; 王渭賢; 洪信雄; | 書刊名 | 臺灣畜牧獸醫學會會報 |
卷期 | 68:1/2 民87.06 |
頁次 | 頁11-16 |
分類號 | 439.5 |
關鍵詞 | 三氯松; 慈鯛指環蟲; 吳郭魚; 藥效; Trichlorfon; Cichlidogyrus spp; Tilapia; Anthelmintic efficacy; |
語文 | 中文(Chinese) |
中文摘要 | 為了得知三氯松對抗指環蟲有效之濃度,本研究中利用自然感染寄生蟲症之吳郭 魚, 進行藥效試驗, 並取出鰓絲指環蟲, 並經初步判定為慈鯛指環蟲 (Cichlidogyrus spp.),此為本省首次報導,蟲體構造特徵含兩對錨鉤, 一對錨鉤間支持棒,其中一根支持 捧成 V 字形,另一根支持棒其三個片段。 關於三氯松抗活體內、外慈鯛指環蟲之藥效,二 次活體外蟲體曝露於三氯松 60 分鐘, 其 50% 慈鯛指環蟲致死濃度分別為 0.97ppm 及 1.04ppm。 感染慈鯛指環蟲和車輪蟲之吳郭魚經三氯松藥浴 48 小時, 顯示 0.10-0.31ppm 處理組存活率比未投藥組存活率顯著增加 (p<0.05), 而 1.25、2.50 及 5.00 ppm 處理組 存活率與對照組並無顯著差異,高劑量藥物處理組魚隻可見神經中毒症狀,顯示此低存活率 可能由於藥物毒性造成。 |
英文摘要 | The antihelminth activity oftrichlorfon was evaluated in Tilapia aureus. This is the first report of Cichlidogyrus spp. infection in Taiwan. The structure of this parasite include two pairs of anchors, and two surpporting bars, one of which is V-shaped and the other consists of three articulated pieces, the central piece being bent slightly, and the other two pieces are attached to the central piece in such a way that divided the bar into three almost equal parts. In two efficacy trials of trichlorfon against the parasite in vitro, in which the parasites were exposed to trichlorfon for one hour, the LC �t of trichlorfon against the parasite were 0.97 ppm and 1.04 ppm, respectively. Tilapia which were infected with Cichlidogyrus spp. and Trichodina spp, when exposed to trichlorfon for 48 hours at O.1 to 0.31 ppm, showed significant increase in survival rate as compared with the non-treated group(p<0.05), but survival rate of 1.25,2.5, and 5 ppm trichlorfon treated groups were not significantly different from the non-treated group. Tilapia treated with high doses oftrichlorfon showed nerve intoxication syndrome. This indicated that the low survival rate of the fish could be caused by toxicity. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。