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Benzimidazole-resistance associated mutation in Haemonchus contortus in Norwegian sheep, as detected by droplet digital PCR.

Veterinary parasitology, regional studies and reports - 1 Nov 2023

Gravdal Maiken, Woolsey Ian D, Robertson Lucy J, Höglund Johan, Chartier Christophe, Stuen Snorre

Abstract excerpt

The aim of this study was to investigate the occurrence of benzimidazole-resistant Haemonchus contortus in Norwegian sheep flocks. Screening was based on detection of one of the resistance-conferring mutations in the β tubulin isotype 1 gene (F200Y, TAC) in larvae (L3) cultivated from H. contortus eggs from naturally infected sheep. Faecal samples were collected in 2021/2022 from flocks in the northern (n = 34),...

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PMID: 37935539
DOI: 10.1016/j.vprsr.2023.100938

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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