イベルメクチン接種による子牛の血中セタリア属ミクロフィラリアの駆除及び羊並びに山羊の脳脊髄糸状虫症の発生予防(短報)

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  • Efficacy of Ivermectin against Setana Microfilariae in Calves and Cerebrospinal Setariosis in Sheep and Goats.

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Ten calves harboring microfilariae (Mf) were injected with ivermectin at a single dose of 200 μg/kg body weight. Thereafter, the number of calves harboring Mf was gradually reduced to 7, 2 and 0 by 1, 4 and 12 weeks, respectively and remained negative for microfilariae by 16 weeks after injection. Furthermore, none of 221 goats and sheep injected twice with ivermectin at a dose of 200 μg/kg body weight developed setariosis while 17 out of 303 non-injected animals suffered from that disease. Therefore, ivermectin was much effective for the eradication of Mf in calves and the prevention of setariosis in sheep and goats.

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