Foot-and-mouth disease virus in milk: an epidemiological study.
D000818:Animals; D005537:Aphthovirus / Q000302:isolation & purification*; D002417:Cattle; D003168:Complement Fixation Tests; D003612:Dairying; D005260:Female; D005536:Foot-and-Mouth Disease / Q000175:diagnosis; D008892:Milk / Q000382:microbiology*; D014776:Virus Cultivation