Beef Cattle Health
   Virginia Cooperative Extension factsheets on various health problems.
   http://www.ext.vt.edu/cgi-bin/WebObjects/Docs.woa/wa/getcat?cat=ir-lpd-be-hea

Cattle Lameness and Treatment of Bovine Foot Disease
   Online encyclopedia which provides comprehensive and clear information on the appearance, cause, treatment and control of lameness in the feet of cattle.
   http://www.cowdoc.net/

Cattle Pest Insects
   Factsheets form the Florida Extension Service.
   http://edis.ifas.ufl.edu/TOPIC_Cattle_Pests