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Changing patterns of parasitism in sheep
Author(s) -
Taylor Mike
Publication year - 2009
Publication title -
in practice
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.211
H-Index - 25
eISSN - 2042-7689
pISSN - 0263-841X
DOI - 10.1136/inpract.31.10.474
Subject(s) - parasitism , selection (genetic algorithm) , resistance (ecology) , biology , production (economics) , ecology , host (biology) , economics , computer science , macroeconomics , artificial intelligence
There have been noticeable changes in the epidemiology of many common sheep parasites over the past few years. It is not clear whether this reflects changes in sheep management and production and the sheep industry itself, the effects of climate change, the overuse of antiparasitics and selection for resistance (treatment practices and selection pressures), or, indeed, a function of all these factors. However, it is apparent that the implementation of parasitic control strategies needs to take these and other issues into account and, where necessary, such programmes will require appropriate modifications. This article discusses the affect of each factor and its impact on the prevalence of endo‐ and ectoparasitism in sheep.