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All of the following (including this publication) can be found at www.nationalsheep.org.uk in pdf format:
Ectoparasite Control in Sheep. Proceedings of a Workshop February 2005
Proceedings of the Technical Review of SCOPS Recommendations January 2009
10 things You Should Know (if you want to keep farming sheep)
New Worm Control Strategies for Sheep. Taking the First Steps
Correct Drenching Technique
Sheep Scab Diagnosis and Control
Know Your Anthelmintics (2009)