title: Estimate of incidence and direct economic losses due to bluetongue in Mississippi cattle during 1979.
mesh_terms: D000818:Animals; D001819:Bluetongue / Q000191:economics / Q000453:epidemiology*; D002417:Cattle; D002418:Cattle Diseases / Q000191:economics / Q000453:epidemiology*; D006306:Health Surveys; D008922:Mississippi; D012756:Sheep