Animal Husbandry and Feed Science ›› 2020, Vol. 41 ›› Issue (6): 94-99.doi: 10.12160/j.issn.1672-5190.2020.06.018

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Identification of Ivermectin-resistant Strain and Sensitive Strain of Haemonchus contortus in China

LUO Xiao-ping1,2, WANG Peng-long2, LI Jun-yan1, YANG Xiao-ye2, GENG Wan-heng1, Gaowa1, BAI Bao-xia3, ZHAO Shi-hua1   

  1. 1. Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences,Hohhot 010031,China;
    2. Inner Mongolia Agricultural University,Hohhot 010018,China;
    3. Animal Husbandry and Veterinary Medicine Station of Baogedewula Sumu of New Barag Right Banner,New Barag Right Banner 021300,China
  • Received:2020-08-28 Online:2020-11-30 Published:2020-12-17

Abstract: In order to solve the problem of lacking species resources in the domestic research on the resistance of anthelmintic drugs, this study used international common methods to isolate the ivermectin-resistant strains of Haemonchus contortus in north China, and adopted traditional morphologic method to identify them. Ivermectin-resistant Haemonchus contortus strains from different sources in north China were isolated, and the results showed that 4 strains of Haemonchus contortus were 6 times resistant to ivermectin and 1 strain was susceptible. This research provide species resources for domestic research on ivermectin resistance of Haemonchus contortus and the development of new anthelmintic drugs.

Key words: Haemonchus contortus, ivermectin, resistance, isolation, identification

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