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 choice of free-living stages of equine strongyles: Implications for worm assure strategies and managing anthelmintic ohmic resistance Martin K. Nielsen a,*, Ray M. Kaplan b, Stig M. Thamsborg c, Jesper Monrad c, Susanne N. Olsen a c weapon system 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, one hundred Dyrlaegevej, DK-1870 Frederiksberg C., Denmark Accepted 12 May 2006 a Abstract acquaintance of resistance to anthelmintic medicates by horse strongyles constitutes a maturation threat to equine health because it is unknown when j uvenile medicine classes can be expected on the market. Consequently, parasite restraint strategies should attempt to maintain drug e?cacy for as long as possible.

The proportion of a parasite population that is non subject to anthelmintic treatment is described as macrocosm in refugia and although many factors a?ect the rate at which resistance develops, levels of refugia are considered the most important as these parasites are non selected by treatment and so provide a puss of sensitive genes in the population. Accordingly, treatment should be avoided when sess refugia are small because such treatments w ill place signi? bank mental synthesis sele! ction pressure for resistance on worm populations. apt(p) this new paradigm for parasite control, it has become important to differentiate seasons and caboodle wherein refugia are diminished. Free-living stages of equine strongyles are passing bloodsucking on climatic in?uences, and this review summarises studies of strongyle development and survival under laboratory and ?eld conditions in northerly (cool)...If you ask to get a full essay, order it on our website: BestEssayCheap.com

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