Trends and challenges in the effective and sustainable control of Haemonchus contortus infection in sheep. Review.
作者： T. Getachew , P. Dorchies , P. Jacquiet
DOI: 10.1051/PARASITE/2007141003
关键词:
摘要: Haemonchosis, with its very wide distribution, has become a important production constraint in sheep farms tropical, subtropical and temperate regions worldwide. Various intrinsic extrinsic factors determine the survival of Haemonchus contortus hence development disease animal. In general, control gastrointestinal nematode infestation relies heavily on anthelmintic treatments. However, indiscriminate use these drugs led to widespread emergence drug resistant strains parasites, that necessitated various parasite methods such as grazing management, biological agents vaccines selection breeds animals, or without moderate anthelmintics. The ultimate goal programs is enhance productivity, while minimising risks regarding resistance consumer environmental concerns. This review attempts highlight different employed haemonchosis practical limitations associated both internal external microenvironment.
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