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Time to clearance of mycoplasma mastitis: the effect of management factors including milking time hygiene and preferential culling.

Punyapornwithaya V, Fox LK, Hancock DD, Gay JM, Alldredge JR.

Can Vet J. 2012 Oct;53(10):1119-22.


Effect of heat treatment on viability of Taenia hydatigena eggs.

Buttar BS, Nelson ML, Busboom JR, Hancock DD, Walsh DB, Jasmer DP.

Exp Parasitol. 2013 Apr;133(4):421-6. doi: 10.1016/j.exppara.2013.01.004. Epub 2013 Jan 17.


Effect of ensilation of potato on viability of Taenia hydatigena eggs.

Buttar BS, Nelson ML, Busboom JR, Hancock DD, Walsh DB, Jasmer DP.

Exp Parasitol. 2013 Apr;133(4):483-6. doi: 10.1016/j.exppara.2013.01.003. Epub 2013 Jan 16.


Carriage of stx2a differentiates clinical and bovine-biased strains of Escherichia coli O157.

Shringi S, Schmidt C, Katherine K, Brayton KA, Hancock DD, Besser TE.

PLoS One. 2012;7(12):e51572. doi: 10.1371/journal.pone.0051572. Epub 2012 Dec 11.


Intramammary infections and teat canal colonization with coagulase-negative staphylococci after postmilking teat disinfection: species-specific responses.

Quirk T, Fox LK, Hancock DD, Capper J, Wenz J, Park J.

J Dairy Sci. 2012 Apr;95(4):1906-12. doi: 10.3168/jds.2011-4898.


Salmonella Cerro isolated over the past twenty years from various sources in the US represent a single predominant pulsed-field gel electrophoresis type.

Hoelzer K, Cummings KJ, Wright EM, Rodriguez-Rivera LD, Roof SE, Switt AI, Dumas N, Root T, Schoonmaker-Bopp DJ, Grohn YT, Siler JD, Warnick LD, Hancock DD, Davis MA, Wiedmann M.

Vet Microbiol. 2011 Jun 2;150(3-4):389-93. doi: 10.1016/j.vetmic.2011.01.026. Epub 2011 Feb 1.


Incidence and transmission of Mycoplasma bovis mastitis in Holstein dairy cows in a hospital pen: A case study.

Punyapornwithaya V, Fox LK, Hancock DD, Gay JM, Wenz JR, Alldredge JR.

Prev Vet Med. 2011 Jan 1;98(1):74-8. doi: 10.1016/j.prevetmed.2010.10.015. Epub 2010 Dec 15.


The prevalence of multidrug resistance is higher among bovine than human Salmonella enterica serotype Newport, Typhimurium, and 4,5,12:i:- isolates in the United States but differs by serotype and geographic region.

Hoelzer K, Soyer Y, Rodriguez-Rivera LD, Cummings KJ, McDonough PL, Schoonmaker-Bopp DJ, Root TP, Dumas NB, Warnick LD, Gröhn YT, Wiedmann M, Baker KN, Besser TE, Hancock DD, Davis MA.

Appl Environ Microbiol. 2010 Sep;76(17):5947-59. doi: 10.1128/AEM.00377-10. Epub 2010 Jul 16.


Geographic, farm, and animal factors associated with multiple antimicrobial resistance in fecal Escherichia coli isolates from cattle in the western United States.

Berge AC, Hancock DD, Sischo WM, Besser TE.

J Am Vet Med Assoc. 2010 Jun 15;236(12):1338-44. doi: 10.2460/javma.236.12.1338.


Multilocus variable-number tandem-repeat analysis and plasmid profiling to study the occurrence of blaCMY-2 within a pulsed-field gel electrophoresis-defined clade of Salmonella enterica serovar Typhimurium.

Adhikari B, Besser TE, Gay JM, Fox LK, Hancock DD, Davis MA.

Appl Environ Microbiol. 2010 Jan;76(1):69-74. doi: 10.1128/AEM.00210-09. Epub 2009 Oct 30.


Association between an outbreak strain causing mycoplasma bovis mastitis and its asymptomatic carriage in the herd: a case study from Idaho, USA.

Punyapornwithaya V, Fox LK, Hancock DD, Gay JM, Alldredge JR.

Prev Vet Med. 2010 Jan 1;93(1):66-70. doi: 10.1016/j.prevetmed.2009.08.008. Epub 2009 Oct 31.


Short communication: The effect of centrifugation and resuspension on the recovery of Mycoplasma species from milk.

Punyapornwithaya V, Fox LK, Gay GM, Hancock DD, Alldredge JR.

J Dairy Sci. 2009 Sep;92(9):4444-7. doi: 10.3168/jds.2009-2182.


The role of animal movement, including off-farm rearing of heifers, in the interherd transmission of multidrug-resistant Salmonella.

Adhikari B, Besser TE, Gay JM, Fox LK, Davis MA, Cobbold RN, Berge AC, Hancock DD.

J Dairy Sci. 2009 Sep;92(9):4229-38. doi: 10.3168/jds.2008-1494.


Introduction of new multidrug-resistant Salmonella enterica strains into commercial dairy herds.

Adhikari B, Besser TE, Gay JM, Fox LK, Davis MA, Cobbold RN, Berge AC, McClanahan R, Hancock DD.

J Dairy Sci. 2009 Sep;92(9):4218-28. doi: 10.3168/jds.2008-1493.


Multilocus variable-number tandem-repeat method for typing Salmonella enterica serovar Newport.

Davis MA, Baker KN, Call DR, Warnick LD, Soyer Y, Wiedmann M, Gröhn Y, McDonough PL, Hancock DD, Besser TE.

J Clin Microbiol. 2009 Jun;47(6):1934-8. doi: 10.1128/JCM.00252-09. Epub 2009 Apr 22.


The effect of a shortened dry period on intramammary infections during the subsequent lactation.

Church GT, Fox LK, Gaskins CT, Hancock DD, Gay JM.

J Dairy Sci. 2008 Nov;91(11):4219-25. doi: 10.3168/jds.2008-1377.


International comparison of clinical, bovine, and environmental Escherichia coli O157 isolates on the basis of Shiga toxin-encoding bacteriophage insertion site genotypes.

Whitworth JH, Fegan N, Keller J, Gobius KS, Bono JL, Call DR, Hancock DD, Besser TE.

Appl Environ Microbiol. 2008 Dec;74(23):7447-50. doi: 10.1128/AEM.01190-08. Epub 2008 Oct 10.


Serological survey for antibodies to Leptospira in dogs and raccoons in Washington State.

Davis MA, Evermann JF, Petersen CR, VancerSchalie J, Besser TE, Huckabee J, Daniels JB, Hancock DD, Leslie M, Baer R.

Zoonoses Public Health. 2008 Oct;55(8-10):436-42. doi: 10.1111/j.1863-2378.2008.01137.x.


Associations between bovine, human, and raw milk, and beef isolates of non-O157 Shiga toxigenic Escherichia coli within a restricted geographic area of the United States.

Cobbold RN, Davis MA, Rice DH, Szymanski M, Tarr PI, Besser TE, Hancock DD.

J Food Prot. 2008 May;71(5):1023-7.


Multidrug-resistant Salmonella typhimurium, Pacific Northwest, United States.

Davis MA, Besser TE, Eckmann K, MacDonald K, Green D, Hancock DD, Baker KN, Warnick LD, Soyer Y, Wiedmann M, Call DR.

Emerg Infect Dis. 2007 Oct;13(10):1583-6. doi: 10.3201/eid1310.070536.


Taenia taeniaeformis: effectiveness of staining oncospheres is related to both temperature of treatment and molecular weight of dyes utilized.

Chapalamadugu KC, Busboom JR, Nelson ML, Hancock DD, Tang J, Jasmer DP.

Vet Parasitol. 2008 Feb 14;151(2-4):203-11. Epub 2007 Oct 26.


Multiple environmental stress tests show no common phenotypes shared among contemporary epidemic strains of Salmonella enterica.

Kang MS, Besser TE, Hancock DD, Call DR.

Appl Environ Microbiol. 2007 May;73(9):3101-4. Epub 2007 Mar 2.


Dissemination of antimicrobial resistant strains of Campylobacter coli and Campylobacter jejuni among cattle in Washington State and California.

Bae W, Hancock DD, Call DR, Park YH, Berge AC, Finger RM, Sischo WM, Besser TE.

Vet Microbiol. 2007 Jun 21;122(3-4):306-15. Epub 2007 Jan 31.


Rectoanal junction colonization of feedlot cattle by Escherichia coli O157:H7 and its association with supershedders and excretion dynamics.

Cobbold RN, Hancock DD, Rice DH, Berg J, Stilborn R, Hovde CJ, Besser TE.

Appl Environ Microbiol. 2007 Mar;73(5):1563-8. Epub 2007 Jan 12.


Antimicrobial resistance in Salmonella enterica serovar Dublin isolates from beef and dairy sources.

Davis MA, Hancock DD, Besser TE, Daniels JB, Baker KN, Call DR.

Vet Microbiol. 2007 Jan 31;119(2-4):221-30. Epub 2006 Sep 1.


Identification of specific gene sequences conserved in contemporary epidemic strains of Salmonella enterica.

Kang MS, Besser TE, Hancock DD, Porwollik S, McClelland M, Call DR.

Appl Environ Microbiol. 2006 Nov;72(11):6938-47. Epub 2006 Sep 8.


Effects of prepartum intramammary antibiotic therapy on udder health, milk production, and reproductive performance in dairy heifers.

Borm AA, Fox LK, Leslie KE, Hogan JS, Andrew SM, Moyes KM, Oliver SP, Schukken YH, Hancock DD, Gaskins CT, Owens WE, Norman C.

J Dairy Sci. 2006 Jun;89(6):2090-8.


Comparison of cultures from rectoanal-junction mucosal swabs and feces for detection of Escherichia coli O157 in dairy heifers.

Davis MA, Rice DH, Sheng H, Hancock DD, Besser TE, Cobbold R, Hovde CJ.

Appl Environ Microbiol. 2006 May;72(5):3766-70.


Comparison of a waterless hand-hygiene preparation and soap-and-water hand washing to reduce coliforms on hands in animal exhibit settings.

Davis MA, Sheng H, Newman J, Hancock DD, Hovde CJ.

Epidemiol Infect. 2006 Oct;134(5):1024-8. Epub 2006 Feb 22.


Long-term persistence of multi-drug-resistant Salmonella enterica serovar Newport in two dairy herds.

Cobbold RN, Rice DH, Davis MA, Besser TE, Hancock DD.

J Am Vet Med Assoc. 2006 Feb 15;228(4):585-91.


Antimicrobial drug resistance genes do not convey a secondary fitness advantage to calf-adapted Escherichia coli.

Khachatryan AR, Hancock DD, Besser TE, Call DR.

Appl Environ Microbiol. 2006 Jan;72(1):443-8.


Increasing prevalence of Campylobacter jejuni in feedlot cattle through the feeding period.

Besser TE, Lejeune JT, Rice DH, Berg J, Stilborn RP, Kaya K, Bae W, Hancock DD.

Appl Environ Microbiol. 2005 Oct;71(10):5752-8.


Multidrug-resistant Salmonella Typhimurium in four animal facilities.

Wright JG, Tengelsen LA, Smith KE, Bender JB, Frank RK, Grendon JH, Rice DH, Thiessen AM, Gilbertson CJ, Sivapalasingam S, Barrett TJ, Besser TE, Hancock DD, Angulo FJ.

Emerg Infect Dis. 2005 Aug;11(8):1235-41. Review.


Characterization of a shiga toxin-, intimin-, and enterotoxin hemolysin-producing Escherichia coli ONT:H25 strain commonly isolated from healthy cattle.

Sheng H, Davis MA, Knecht HJ, Hancock DD, Van Donkersgoed J, Hovde CJ.

J Clin Microbiol. 2005 Jul;43(7):3213-20.


Comparison of Escherichia coli Isolates from humans, food, and farm and companion animals for presence of Shiga toxin-producing E. coli virulence markers.

Murinda SE, Nguyen LT, Landers TL, Draughon FA, Mathew AG, Hogan JS, Smith KL, Hancock DD, Oliver SP.

Foodborne Pathog Dis. 2004 Fall;1(3):178-84.


Prevalence and antimicrobial resistance of thermophilic Campylobacter spp. from cattle farms in Washington State.

Bae W, Kaya KN, Hancock DD, Call DR, Park YH, Besser TE.

Appl Environ Microbiol. 2005 Jan;71(1):169-74.


Survival time, lifespan, and quality of life in dogs with idiopathic Fanconi syndrome.

Yearley JH, Hancock DD, Mealey KL.

J Am Vet Med Assoc. 2004 Aug 1;225(3):377-83.


Comparison of shiga-toxigenic Escherichia coli prevalences among dairy, feedlot, and cow-calf herds in Washington State.

Cobbold RN, Rice DH, Szymanski M, Call DR, Hancock DD.

Appl Environ Microbiol. 2004 Jul;70(7):4375-8.


Role of calf-adapted Escherichia coli in maintenance of antimicrobial drug resistance in dairy calves.

Khachatryan AR, Hancock DD, Besser TE, Call DR.

Appl Environ Microbiol. 2004 Feb;70(2):752-7.


Antimicrobial resistance of commensal Escherichia coli from dairy cattle associated with recent multi-resistant salmonellosis outbreaks.

DeFrancesco KA, Cobbold RN, Rice DH, Besser TE, Hancock DD.

Vet Microbiol. 2004 Jan 14;98(1):55-61.


Removal of hair surrounding the teat and associated bacterial counts on teat skin surface, in milk, and intramammary infections.

Silk AS, Fox LK, Hancock DD.

J Vet Med B Infect Dis Vet Public Health. 2003 Nov;50(9):447-50.


Correlation between geographic distance and genetic similarity in an international collection of bovine faecal Escherichia coli O157:H7 isolates.

Davis MA, Hancock DD, Besser TE, Rice DH, Hovde CJ, Digiacomo R, Samadpour M, Call DR.

Epidemiol Infect. 2003 Oct;131(2):923-30.


Patterns of mycoplasma shedding in the milk of dairy cows with intramammary mycoplasma infection.

Biddle MK, Fox LK, Hancock DD.

J Am Vet Med Assoc. 2003 Oct 15;223(8):1163-6.


Prevalence of Escherichia coli O157 and other Shiga-toxin-producing E. coli in lambs at slaughter.

McCluskey BJ, Rice DH, Hancock DD, Hovde CJ, Besser TE, Gray S, Johnson RP.

J Vet Diagn Invest. 1999 Nov;11(6):563-5. No abstract available.


Feedstuffs as a vehicle of cattle exposure to Escherichia coli O157:H7 and Salmonella enterica.

Davis MA, Hancock DD, Rice DH, Call DR, DiGiacomo R, Samadpour M, Besser TE.

Vet Microbiol. 2003 Sep 1;95(3):199-210.


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