Anthelmintic Resistance to Albendazole and Fenbendazole in Gastrointestinal Nematodes of Sheep in Saghez Municipality, Iran
2020
Ebrahimi, Rezgar | Yakhchali, Mohammad | Malekinejad, Hassan
BACKGROUND: During the last two decades, anthelmintic drugs have been increasingly applied against gastrointestinal parasites of sheep in Iran. OBJECTIVES: For this purpose, drug resistance to albendazole (Alb) and fenbendazole (Feb) in gastrointestinal nematodes in sheep of Saqez multiplicity was assessed. METHODS: In in-vivo experiment, a total number of 90 sheep in three groups (30 sheep/group) with EPG≤150 were examined for nematode resistance to Alb and Feb. They were treated with Alb and Feb or untreated (as a control group). RESULTS: There was significant difference between Alb and Feb treated groups and control group. The EPG in Alb, Feb and control groups was 59.8±1.93, 18.8±1.258 and 204.07±4.81, respectively. There was drug resistance against Alb in compassion with control group (R=71%). There was suspicion drug resistance for Feb in comparison with control group (R=90.66%). CONCLUSIONS: From the results of the present study, it was concluded that there was absolute and suspected drug resistance against Alb and Feb in sheep of Saqez municipality, Iran, respectively.
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