Kory Nicholi Kwasow.  Chronic disease of central nervous system in sheep and occasionally goats  Transmitted by an unclassified agent which is smaller.

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Presentation transcript:

Kory Nicholi Kwasow

 Chronic disease of central nervous system in sheep and occasionally goats  Transmitted by an unclassified agent which is smaller than the smallest known viruses  Spread most likely through the placenta of a ewe to her young and also through the urine into open areas.  Called a Transmissible Spongiform Encephalopathy (TSE) which is a group of diseases affecting the brain and nervous system of animals

 Endemic in Great Britain for over 250 years  First case in United States; Michigan 1947  As of July 2001 over 1000 flocks affected in U.S. Most of these are the Suffolk breed  Reports of scrapie are now throughout the world  Only two countries. New Zealand and Australia, have never reported any cases of scrapie

 Takes a long time to develop as the brain becomes spongy  Tremors  Behavioral changes (temperament, rubbing body, easily startled)  Can mimic signs of rabies  Dry wool which will fall off

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 A test is now available which examines the lymphatic tissue from third eyelid.  Great Britain has a anti-scrapie plan which educates and encourages the use of sheep and goats which are genetically more resistant to scrapies.

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