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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(10): 790-796
DOI: https://doi.org/10.20546/ijcmas.2017.610.095


Emergence of Anthelmintic Resistance in Haemonchus contortus on Organized Sheep and Goat Farms of Sub-Himalayan Region of Northern India
Rajeev Ranjan Kumar, C.L. Yadav and Stuti Vatsya
College of Veterinary and Animal Sciences, G.B. Pant University of Agriculture and Technology, Pantnagar-263145, Uttarakhand, India
*Corresponding author
Abstract:

The present study was planned to know the status of anthelmintic resistance in gastrointestinal (GI) nematodes of two organized sheep and one goat farms of sub-Himalayan region of northern India using faecal egg count reduction test (FECRT). Three anthelmintics, fenbendazole (FBZ), tetramisole HCl (TMS) and ivermectin (IVM) of benzimidazole, imidazothiazole and macrocyclic lactone groups, respectively were tested at each farm. Resistance was detected against FBZ and TMS in all selected farms with FECRT% ranging from -170 to 63 and 18 to 91, respectively. However, GI nematodes were found susceptible to IVM in all farms with FECRT% ranging from 97 to 100. Pre-treatment coproculture revealed Haemonchus contortus as the predominant GI nematode followed by Oesophagostomum columbianum and Trichostrongylus colubriformis. Besides this, the larvae of Ostertagia spp. were also recorded in sheep of Kedarkatha farm. Post-coproculture results revealed the presence of 100% percent larvae of H. contortus only in animals treated with FBZ and TMS. This is the first report of Haemonchus being resistant to both FBZ and TMS at organized farms simultaneously from sub-Himalayan region of northern India.


Keywords: Anthelmintic resistance, Haemonchus contortus, Sheep, Goats, Fenbendazole, Tetramisole HCl, Ivermectin.
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How to cite this article:

Rajeev Ranjan Kumar, C.L. Yadav and Stuti Vatsya. 2017. Emergence of Anthelmintic Resistance in Haemonchus contortus on Organized Sheep and Goat Farms of Sub-Himalayan Region of Northern India.Int.J.Curr.Microbiol.App.Sci. 6(10): 790-796. doi: https://doi.org/10.20546/ijcmas.2017.610.095