[Prevalence of calves infected with lungworm in the stable].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D003718:Denmark; D004022:Dictyocaulus Infections / Q000453:epidemiology / Q000662:veterinary*; D006799:Housing, Animal / Q000592:standards*
Praevalensen af kalve smittet med lungeorm på stald.