Evidence of benzimidazole resistance in Haemonchus contortus of sheep in northeastern zone of Tamil Nadu
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Date
2018
Journal Title
Journal ISSN
Volume Title
Publisher
TANUVAS
Abstract
Gastrointestinal nematode population in four unorganized sheep flocks of northeastern
zone of Tamil Nadu were monitored for benzimidazole resistance using faecal
egg count reduction test (FECRT), following oral administration of fenbendazole.
The faecal egg count reduction obtained was 99, 70, 98 and 67% with a 95% lower
confidence limit of 96, 50, 93 and 47 in the flocks of Tiruvallur, Vellore, Kancheepuram
and Thiruvannamalai districts, respectively. Vellore and Kancheepuram flocks
showed resistance whereas Tiruvallur and Thiruvannamalai flocks were susceptible to
benzimidazole. Haemonchus contortus was the predominant nematode species present
in coproculture.
Description
TNV_JVP_2018_32(1)14-16
Keywords
Veterinary Science