VIRUS: a computer program for herd health and productivity.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D002418:Cattle Diseases / Q000453:epidemiology; D003201:Computers; D005260:Female; D005298:Fertility; D008297:Male; D008905:Minicomputers; D011247:Pregnancy; D012098:Reproduction; D012606:Scotland