Cobbold, Rowland N Long-term persistence of multi-drug-resistant Salmonella enterica serovar Newport in two dairy herds. [electronic resource] - Journal of the American Veterinary Medical Association Feb 2006 - 585-91 p. digital Publication Type: Journal Article ISSN: 0003-1488 Standard No.: 10.2460/javma.228.4.585 doi Subjects--Topical Terms: AnimalsCarrier State--veterinaryCattleCattle Diseases--drug therapyDisease Outbreaks--veterinaryDrug Resistance, Multiple, BacterialEnvironmental MicrobiologyFeces--microbiologyFemaleMicrobial Sensitivity Tests--veterinaryPrevalenceSalmonella Infections, Animal--drug therapySalmonella enterica--classificationSerotyping--veterinaryWashington--epidemiology