WSU Extension > Animal Agriculture > Physiology > Animal Health > Survey to Assess Parasite and Fly Control Methods Utilized by Washington Beef Cattle Producers Survey to Assess Parasite and Fly Control Methods Utilized by Washington Beef Cattle Producers January 21, 2017 Share on Twitter Share on FaceBook Share on Linkedin share with email share with link Survey to Assess Parasite and Fly Control Methods Utilized by Washington Beef Cattle Producers (PDF)