Whittier, W. DeeZajac, Anne M.Umberger, Steven H.2014-06-062014-06-062009http://hdl.handle.net/10919/48475Internal parasites are a threat to sheep health and productivity. Increased understanding of the role and actions of internal parasites provides the basis for more effective control programs.8 pagesapplication/pdfenIn CopyrightVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.Sheep & GoatsVeterinary MedicineExtension publicationhttp://pubs.ext.vt.edu/410/410-027/410-027_pdf.pdfSheep diseasesParasitesControl methodsTreatment