Prospects for integration of novel parasite control options into grazing systems
1996
Barger, I.A.
Novel parasite control methods are considered under criteria of efficacy, cost, ease of implementation and sustainability, together with a subjective assessment of when they are likely to become available commercially. It is concluded that vaccines, genetically resistant hosts, biological control, anthelmintics directed against free-living stages, and grazing management will probably satisfy all of these criteria, but that most of these methods are at least 5-10 years away from commercial exploitation. The exception is grazing management, which can be used immediately and at low cost, to minimise current use of anthelmintics. Research is required to assess the possibility of control programs based on grazing management that avoid anthelmintic treatment altogether. Extension of such control programs, in a context of declining government enthusiasm for provision of agricultural extension services, may be their greatest barrier to widespread adoption.
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