David C. Henderson w/Countrywise Communication. This video looks in depth at a major cause of disease and discomfort to sheep: skin parasites. Each of the common parasites from sheep scab to blowfly is described, with details of how to identify them, the problems they cause and how to treat them. Subject experts are interviewed to provide further insights. They deal with all the major ectoparasite control strategies available to farmers and the main points about safe and effective use of dips, pour-ons and spot-on insecticide treatments. VHS - VIDEO approx. 55 minutes