Ontario Ministry of Agriculture - Food and Rural Affairs - OMAF sheep health information; including information on dealing with diseases, general health, and disposal of dead sheep. Biosecurity in the Sheep Flock - Questions help determine the risk of disease entering your flock. Vaccinations for Sheep and Goat Flocks - Vaccinations are an integral part of a flock health management program. Provides details of the main conditions for which vaccines are available. General Healthcare in Sheep and Goats - Provides information on vaccinations, parasite control, with guidance on how to give injections and how to administer wormers to small livestock orally. Reproductive Diseases of Sheep - Factsheet from Utah State University Extension. Minimising Disease in Your Sheep Flock - A guide to preventative Flock Health provided by Utah State University Extension. Sheep Pregnancy Checking by Ultrasonic Sound - Ultrasonic sound waves of about 2 million cycles per second can pass through living tissue. Used to determine sheep pregnancy, these sound waves are painless and have no harmful after-effects to the ewe or fetus.