title: Bovine respiratory disease complex: a comparison of potential predisposing and etiologic factors in Australia and the United States.
mesh_terms: D000818:Animals; D001315:Australia; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology* / Q000382:microbiology; D008297:Male; D012140:Respiratory Tract Diseases / Q000209:etiology / Q000635:transmission / Q000662:veterinary*; D013312:Stress, Physiological / Q000150:complications*; D014186:Transportation; D014481:United States; D014777:Virus Diseases / Q000209:etiology / Q000662:veterinary*; D014780:Viruses / Q000302:isolation & purification