Parasitology paper 🐄
11 Jan 2023
To treat or not to treat: diagnostic thresholds in subclinical helminth infections of cattle.
Helminth infections of cattle place signiﬁcant burdens on livestock production and farm economic efﬁciency. Heavy infections are relatively easy to detect and treat with anthelmintics. However, subclinical infections have major but often hidden impacts on animals, necessitating more reﬁned diagnostics to detect them and ideally inform farmers about the likely impact of anthelmintic treatment on animal and herd performance. Here, we review recent advances in diagnosing three major cattle helminth infections – gastrointestinal nematodes (GINs), liver ﬂukes, and lungworms – and the search for subclinical infection thresholds to guide treatment decisions.
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