Bactericidal activity of bovine serum against Escherichia coli isolated from the environment in 3 herds of dairy cows.
D000818:Animals; D001769:Blood; D002417:Cattle / Q000382:microbiology*; D004926:Escherichia coli / Q000254:growth & development* / Q000302:isolation & purification; D005260:Female; D008826:Microbial Sensitivity Tests