Restrictions of anthelmintic usage: perspectives and potential consequences
Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
Given the increasing levels of anthelmintic resistance in equine parasites, parasitologists now
recommend traditional treatment approaches to be abandoned and replaced by more sustainable
strategies. It is of crucial importance to facilitate veterinary involvement to ensure that treatment
decisions are based on parasitic knowledge. Despite recommendations given for the past two
decades, strategies based on the selective therapy principle have not yet been implemented on a
larger scale in equine establishments. In contrast, treatment regimens appear to be derived from
recommendations originally given in 1966. The province of Quebec in Canada, and an increasing
number of European countries, have implemented prescription-only restrictions on anthelmintic
drugs. Denmark introduced this legislation ten years ago, and some evidence has been generated
describing potential consequences. It is without dispute that Danish veterinarians are now deeply
involved with parasite management in equine establishments. However, little is known about the
impact on levels of anthelmintic resistance and the risk of parasitic disease under these
circumstances. In addition, the legislation makes huge demands on diagnosis and parasite
surveillance. No data have been published evaluating fecal egg count techniques and larval culture
methods as clinical diagnostic tools, and very little is known about potential correlations with actual
worm burdens. This article provides a general review of anthelmintic strategies currently used in
equine establishments and outlines the recommendations now given for parasite control.
Preliminary experience with prescription-only restrictions in Denmark is presented and current
research needs to further evaluate this approach are discussed.
Originalsprog | Engelsk |
---|---|
Tidsskrift | Parasites & Vectors |
Vol/bind | 2 |
Udgave nummer | (Suppl 2) |
Antal sider | 7 |
ISSN | 1756-3305 |
DOI | |
Status | Udgivet - 2009 |
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ID: 14774208