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  • Title: Biology, Epidemiology, and Control of Gastrointestinal Nematodes of Small Ruminants.
    Author: Zajac AM, Garza J.
    Journal: Vet Clin North Am Food Anim Pract; 2020 Mar; 36(1):73-87. PubMed ID: 32029190.
    Abstract:
    Strongylid gastrointestinal nematodes are an important cause of disease and economic loss in small ruminants. These parasites are important in most of the United States, with the bloodsucking parasite Haemonchus contortus being the predominant species of concern. Sheep and goats are infected while grazing, and the biology of infective larvae on pastures is important in the design of parasite management programs. Widespread resistance to anthelmintics requires strategies designed to preserve remaining drug activity; these include combination treatments with multiple classes of anthelmintics and targeted treatments.
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