Efficacy of Chloroquine, Ivermectin and Artemether on Onchocerca gutturosa in Zebu calves in Sudan.

M. Husna, A. Saadia, H. Elmansoury, A. Y. Osman, A. Majid, A. Renz
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Abstract

Skin microfilarial (mff) densities, adult worm recovery and embryogenesis in gravid female worms were used to evaluate the efficacy of Chloroquine, Ivermectin and Artemether against Onchocerca gutturosa in three groups of five natural y infected zebu calves 2-3 years old. Chloroquine and Artemether were highly effective against both dermal mff and adult worms. Skin mff densities was declined rapidly within two- to three- days of injection and complete clearance occurred thereafter for the fol ow up period (4 months). Four months after the last dose of each drug, the animals were slaughtered and the adult worms examined. Al three drugs showed significant mortality rates i.e. 27%- 32% among adult female worms (P Key words: Onchocerca gutturosa, Drug Efficacy, Macrofilaricide, Embryogenesis Les densites de microfilaires (mff) de la peau, la recuperation du ver parasite adulte et l’embryogenese des vers femel es gravides ont ete utilise pour evaluer l’ef icacite de la Chloroquine,de l’Ivermectine et de l’Artemether contre l’Onchocerca gutturosa dans trois groupes de chacun cinq veaux de race zebus âges de 2-3 ans et etant naturel ement infectes. La Chloroquine et l’Artemether se sont averes tres ef icaces a la fois contre la microfilaire dermique que contre les vers parasites adultes. Les densites de microfilaires ont rapidement diminuees deux a trois jours apres l’injection et la disparution complete est survenue au cours de la periode de suivie (4 mois). Quatre mois apres la derniere dose de chaque medicament, les animaux ont ete abattus et les vers adultes examines. Les trois medicaments ont montre des taux de mortalite eleve de 27% a 32% parmi les vers adultes femel es (P Mots cles: Onchocerca gutturosa, Ef icacite medicamentaire, Macrofilaricide, Embryogenese
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氯喹、伊维菌素和蒿甲醚对苏丹Zebu小牛绒毛盘尾丝虫病的防治效果。
采用皮肤微丝虫(mff)密度、成虫恢复情况和妊娠雌虫胚胎发生情况,评价氯喹、伊维菌素和蒿甲醚对3组5头2 ~ 3岁自然感染的瘤牛盘尾丝虫病的防治效果。氯喹和蒿甲醚对真皮mff和成虫均有较好的防治效果。皮肤mff密度在注射后2 - 3天内迅速下降,在随后的随访期间(4个月)完全清除。在最后一次给药4个月后,这些动物被屠宰并检查成虫。三种药物对成年雌虫的死亡率均为27% ~ 32% (P)。本研究主要研究了肉鸡盘尾丝虫病的临床疗效、微丝虫病的发生、成虫的恢复、母虫的胚胎发生、妊娠期的胚胎发生、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治、肉鸡盘尾丝虫病的防治等。氯喹和蒿甲醚可用于控制寄生虫成虫的生长和控制微丝线虫的生长。微丝密度和快速衰减在注入后的两到三小时内减少,在注入后的四小时内完成了对整个生命周期(4小时)的监测。第四部电影是关于药物治疗的,电影是关于动物的,电影是关于成人的。三种药物分别为:喉盘尾丝虫病(Onchocerca gutturosa)、抗真菌药(eficacite medicamentaire)、杀丝虫病(macroaricide)、胚胎药(Embryogenese)
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