Ynte Schukken clinical mastitis caused by S.aureus and E. Coli studied by
Director, Quality Milk Production Services fingerprinting. A.J.V.R. 57:39-42, 1996.
Department of Population Medicine van Schaik G, Lotem M, Schukken YH. Trends in somatic cell
and Diagnostic Sciences counts, bacterial counts, and antibiotic residue violations in
S3119 Schurmann Hall New York State during 1999-2000. J Dairy Sci. 2002 85:782-
website: http://qmps.vet.cornell.edu R.N. Zadoks, W.B. van Leeuwen, D. Kreft, L.K. Fox, H.W.
Barkeman, Y.H. Schukken and A. van Belkum. Comparison of
Staphylococcus aureus from skin, milking equipment and
bovine milk by phage typing, PFGE and binary typing. J. Clin
Microbiology 40:3894-3902 2002.
L.R. Nielsen, Y. H. Schukken, Y.T. Grohn, A.K. Ersboll,
Salmonella Dublin infection in dairy cattle: risk factors for
becoming a carrier. Prev. Vet. Med. Aug. 30; 65(1-2): 47-62,
Y.T. Grohn, D. J. Wilson, R.N. Gonzalez, J.A. Hertl, H.
F.Schulte, G. J. Gennett, Y.H. Schukken, Effect of pathogen-
specific clinical mastitis on milk yield in dairy cows. J. Dairy
Sci. Oct:87(10): 3358-74. 2004.
K.K. Nightingale, Y.H. Schukken, C.R. Nightingale, E. D.
Fortes, J.J. Ho, Z. Her, Y.T. Grohn, P.L. McDonough, M.
Ynte Schukken is an Associate Professor of Epidemiology and Weidmann, Ecology and transmission of Listeria
Herd Health in the Department of Population Medicine and monocytogenes infecting ruminants and farm environment.
Diagnostic Sciences. Dr. Schukken received his DVM from the Appl. Environ. Microbiol. Aug.70(8): 4458-67, 2004.
University of Utrecht in 1985, his M.Sc. from Cornell University
in 1987, and his Ph.D. in 1990 from the University of Utrecht. M.J. Green, L. E. Green, Y.H. Schukken, A.J. Bradley, E.J.
Peeler, H. W. Barkema, Y. de Haas, V.J. Collis, G.F. Medley.
Current Research Somatic cell count distributions during lactation predict
clinical mastitis. J. Dairy Sci. May 87(5): 1256-64, 2004.
My current research interests are involving 1) udder health, food
safety and milk quality in well managed dairy herds 2) R.N. Zadoks, R.N. Gonzalex, K.J. Boor, Y.H. Schukken.
understanding population dynamics of infectious diseases in Mastitis-causing streptococci are important contributors to
animal populations, and 3) application of epidemiological, bacterial counts in bulk tank milk. J. Food Prot
statistical and mathematical methods to animal disease research Dec;67(12):2644-50, 2004.
Research Interests/Work in Progress Sauders BD, Durak MZ, Fortes E, Windham K, Schukken
YH, Lembo AJ Jr, Akey B, Nightingale KK, Wiedmann M.
Current research in collaboration with the faculty in the department Molecular characterization of Listeria monocytogenes from
of food science includes: natural and urban environments. J Food Prot. 69(1):93-105.
- Infection dynamics of mastitis pathogens 2006.
- Molecular epidemiology of food borne pathogens
- S. agalactia infections in bovine and human hosts. Nightingale KK, Fortes ED, Ho AJ, Schukken YH, Grohn
- Antimicrobial resistance patterns in animal pathogens YT, Wiedmann M. Evaluation of farm management practices
as risk factors for clinical listeriosis and fecal shedding of
Selected Publications Listeria monocytogenes in ruminants. J Am Vet Med Assoc.
Dec 1;227(11):1808-14. 2005.
Sargeant JM, Schukken YH, Leslie KE. Ontario bulk milk
somatic cell count reduction program: III. progress and Dogan B, Schukken YH, Santisteban C, Boor KJ.
outlook. J Dairy Sci 1998 Jun;81(6):1545?54 Distribution of serotypes and antimicrobial resistance genes
among Streptococcus agalactiae isolates from bovine and
J. Sol, O.C. Sampimon, J.J. Snoep and Y.H. Schukken. human hosts. J Clin Microbiol. Dec;43(12):5899-906. 2005.
Factors Associated with Bacteriological Cure After Dry Cow
Treatment of Subclinical Staphylococcal Mastitis with
antibiotics. J.Dairy Sci 77:75-79, 1994.
T.J.G.M. Lam, L.J.A. Lipman, Y.H. Schukken, W. Gaastra
and A. Brand. Epidemiological characteristics of bovine