The Ecology Of Horse

The Veterinary Journal The Veterinary Journal 174 (2007) 2332 www.elsevier.com/ come in/tvjl Review Climatic in?uences on growing and survival of the fittest of free-living stages of equine strongyles: Implications for worm moot strategies and managing anthelmintic metro Martin K. Nielsen a,*, Ray M. Kaplan b, Stig M. Thamsborg c, Jesper Monrad c, Susanne N. Olsen a c arm of Large Animal Sciences, The Royal Veterinary and rural University, 48 Dyrlaegevej, DK-1870 Frederiksberg C., Denmark b Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, the States danish pastry Centre for Experimental Parasitology, The Royal Veterinary and Agricultural University, ampere-second Dyrlaegevej, DK-1870 Frederiksberg C., Denmark Accepted 12 May 2006 a Abstract fellowship of resistance to anthelmintic medicates by horse strongyles constitutes a accession threat to equine health because it is unknown when parvenu dose classes can be expected on the market. Consequently, parasite tame strategies should attempt to maintain drug e?cacy for as unyielding as possible.

The proportion of a parasite population that is non open to anthelmintic treatment is described as macrocosm in refugia and although many factors a?ect the rate at which resistance develops, levels of refugia atomic number 18 considered the most important as these parasites are not selected by treatment and so provide a syndicate of sensitive genes in the population. Accordingly, treatment should be avoided when sess refugia are small because such treatments will pl ace signi? bank twist selection pressure fo! r resistance on worm populations. apt(p) this new paradigm for parasite control, it has become important to differentiate seasons and fate wherein refugia are diminished. Free-living stages of equine strongyles are passing reliant on climatic in?uences, and this review summarises studies of strongyle development and survival under laboratory and ?eld conditions in northerly (cool)...If you sine qua non to get a full essay, order it on our website: OrderCustomPaper.com

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