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 excerpt of free-living stages of equine strongyles: Implications for worm work up strategies and managing anthelmintic shield Martin K. Nielsen a,*, Ray M. Kaplan b, Stig M. Thamsborg c, Jesper Monrad c, Susanne N. Olsen a c subsection 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 Centre for Experimental Parasitology, The Royal Veterinary and Agricultural University, coke Dyrlaegevej, DK-1870 Frederiksberg C., Denmark Accepted 12 May 2006 a Abstract knowledge of resistance to anthelmintic medicates by horse strongyles constitutes a development threat to equine health because it is unknown when newly drug classes can be e xpected on the market. Consequently, parasite retain strategies should attempt to maintain drug e?cacy for as coherent 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 are considered the most important as these parasites are not selected by treatment and so provide a consortium of sensitive genes in the population. Accordingly, treatment should be avoided when sess refugia are small because such treatments will place signi? bank building selection pressure for resistance on worm po! pulations. apt(p) this new paradigm for parasite control, it has become important to differentiate seasons and good deal wherein refugia are diminished. Free-living stages of equine strongyles are passing symbiotic on climatic in?uences, and this review summarises studies of strongyle development and survival under laboratory and ?eld conditions in northerly (cool)...If you pauperism to get a full essay, order it on our website: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay