Streptococcus agalactiae in the smaller herd. Its incidence in relationship to somatic cell counts.
D000818:Animals; D002417:Cattle / Q000382:microbiology*; D005260:Female; D008892:Milk / Q000166:cytology* / Q000382:microbiology; D013292:Streptococcus agalactiae / Q000302:isolation & purification*