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Resistance of Sheep and Goats to Helminth Infections: A Genetic Basis

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Increasing Small Ruminant Productivity in Semi-arid Areas

Part of the book series: Current Topics in Veterinary Medicine and Animal Science ((CTVM,volume 47))

Abstract

The increasing appearance of nematode strains resistant to anthelmintics has revived interest in the search for alternative control methods. Local epidemiological studies are a necessary preliminary to any control program and they should identify which are the most important parasites, the periods of high risk of infection, and highly contaminated pastures. Integrated control programs may then be designed to include consideration of the choice of anthelmintic in relation to target parasite, periods of treatment, and pasture management. Where farmers rely solely on anthelmintics and Haemonchus contortus is prevalent, the emergence of resistance increases rapidly, as has occurred in Australia and New Zealand. Integrated control might reduce the number of anthelmintic drenchings required and thus reduce the probability of resistance. Vaccination has proved to be effective against Dictyocaulus viviparus in calves but much work remains to be done before vaccines will be available for other parasitic nematodes (Urquhart 1988).

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Authors
  1. L. Gruner
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  2. J. Cabaret
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Editors and Affiliations

  1. International Center for Agricultural Research in the Dry Areas, P.O. Box 5466, Aleppo, Syria

    E. F. Thomson  & F. S. Thomson  & 

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© 1988 ICARDA

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Gruner, L., Cabaret, J. (1988). Resistance of Sheep and Goats to Helminth Infections: A Genetic Basis. In: Thomson, E.F., Thomson, F.S. (eds) Increasing Small Ruminant Productivity in Semi-arid Areas. Current Topics in Veterinary Medicine and Animal Science, vol 47. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1317-2_22

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  • DOI: https://doi.org/10.1007/978-94-009-1317-2_22

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-7086-7

  • Online ISBN: 978-94-009-1317-2

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