title: Colonization and transmission of Haemophilus somnus in cattle.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology* / Q000635:transmission; D005260:Female; D006190:Haemophilus / Q000302:isolation & purification*; D006192:Haemophilus Infections / Q000382:microbiology / Q000635:transmission / Q000662:veterinary*; D008297:Male; D009666:Nose / Q000382:microbiology; D010325:Pasteurella / Q000302:isolation & purification; D013312:Stress, Physiological / Q000662:veterinary; D014132:Trachea / Q000382:microbiology