REFEREED PAPERS (out of 150 peer-reviewed publications)

Bar, D*., Tauer, L.W., Bennett, G., González, R.N., Hertl, J.A., Schukken, Y.H., Schulte, H.F., Welcome, F.L, and Gröhn, Y.T.:  The cost of generic clinical mastitis in dairy cows as estimated using dynamic programming. J. Dairy Sci., In Press.

Lanzas, C.*, Brien, S., Ivanek, R. Lo, Y., Chapagain, P., Ray, K.A., Ayscue, P., Warnick., L.D., and Gröhn, Y.T.: The effect of heterogeneous infectious period and contagiousness on the dynamics of Salmonella transmission. Epidemiology and Infection. In Press.

Bar, D.*, Gröhn, Y. T., Gonzalez, R.N., Hertl, J.A., Schulte, H.F., Bennett, G.J., Tauer., L.., Schukken, Y.H.: Effect of repeated episodes of generic clinical mastitis on culling in dairy cows J. Dairy Sci., In Press.

Gröhn, Y.T., Hertl, J.A., Ivanek, R., Abou-Zeid, K., and Wiedmann, M.: How university researchers can contribute to farm-to-table risk assessment. Foodborne Pathogens and Disease, 2007, 4: 527-537.

Mitchell, R.M., Whitlock, R.H., Stehman, S.M., Benedictus, A., Chapagain, P., Gröhn, Y.T., and Schukken, Y.H.: Simulation modeling to evaluate the persistence of Mycobacterium avium subsp. paratuberculosis (MAP) on commercial dairy farms in the United States. Prev Vet Med, (2007), doi:10.1016/j.prevetmed.2007.09.006

Chapagain, P., Van Kessel, J.A., Karns, J.S., Wolfgang,D.R., Schukken, Y.H. Gröhn, Y.T.: A mathematical model of the dynamics of Salmonella Cerro infection in a US dairy herd. Epidemiology and Infection, Cambridge University Press 20Apr2007

Bar, D.*, Gröhn, Y. T., Gonzalez, R.N., Hertl, J.A., Schulte, H.F., Bennett, G.J., Tauer., L.., Schukken, Y.H.: Effect of repeated episodes of generic clinical mastitis on milk yield in dairy cows J. Dairy Sci., 2007, 90: 4643-4653.

Wilson,D.J.,* Gröhn, Y.T., Bennet, G.J., , Schukken, Y.H., and Spatz, J.: Comparison of J5 vaccinates and controls for incidence, etiologic agent, clinical severity, and survival in the herd following naturally occurring cases of clinical mastitis. J. Dairy Sci., 2007, 90: 4282-4360.

Wilson,D.J.,* Mallard, B.A., Burton, J.J., Schukken, Y.H., and Gröhn, Y.T.: Milk and serum J5-specific antibody responses, milk production change and clinical effects following intramammary Escherichia coli challenge for J5 vaccinate and control cows. Clinical and Vaccine Immunology, 2007, 14: 693-699.

Ho, A. J., Ivanek,R.* Gröhn, Y. T., Nightingale, K.K, and Wiedmann, M.: Listeria monocytogenes fecal shedding in dairy cattle shows high levels of day-to-day variation and includes outbreaks and sporadic cases of shedding of specific L. monocytogenes subtypes. Prev Vet Med. 2007, 80: 287-305.

Wang, C., Turnbull, B., Gröhn, Y. T., and Nielsen, S.S.: Nonparametric estimation of ROC curves based on Bayesian models when the true disease state is unknown. Journal of Agricultural, Biological, and Environmental Statistics. 2007. 12, 128-146.

Haugan, T.*, Gaustad, A.H., Reksen, O., Gröhn, Y. T., and Hofmo, P.O.: Fertility results of artificial insemination performed with liquid boar semen stored in X-cellä versus BTS extender. Reprod Domest Anim. 2007, 42:94-9.

Tauer, L. W., Nightingale, C.R., Ivanek, R., Gröhn, Y.T., and Wiedmann, M.:   Optimal levels of inputs to control Listeria monocytogenes contamination at a smoked fish plant.  Agribusiness: an International Journal. 2007, 23: 229-244.

Ivanek, R*, Gröhn, Y.T., Ho, A. J., and Wiedmann, M.: Markov chain approach to analyze the dynamics of pathogen fecal shedding -Example of Listeria monocytogenes shedding in a herd of dairy cattle.  J of Theoretical Biology. 2007, 245: 44-58.

Alcaine, S. D., Y. Soyer, L. D. Warnick, W.-L. Su, S. S. Sukhnanand, J. Richards, E. D. Fortes, P. McDonough, T. P. Root, N. B. Dumas, Y. T. Gröhn, and M. Wiedmann. 2006. Multilocus sequence typing supports that cattle and human associated Salmonella represent distinct and overlapping populations. Appl. Environ. Micro. 2006, 72: 7575-7585.

Ivanek, R*, Gröhn, Y.T., Wiedmann, M.: Listeria monocytogenes in multiple habitats and host populations: review of available data for mathematical modeling. Foodborne Pathogens and Disease, 2006, 3: 319-336.

Wang, C., Turnbull, B., Gröhn, Y. T., and Nielsen, S.S.:  Estimating ROC curves with covariates when there is no perfect reference test for diagnosis of Johne’s Disease. J. Dairy Sci., 2006, 89: 3038-3046.

Haugan, T.*, Gröhn, Y. T., Kommisrud, E., Ropstad, E.,  and Reksen, O.:  Effects of sperm concentration at semen collection and storage period of frozen semen on dairy cow conception. Anim Reprod Sci. 2007, 97: 1-11.

Hu, Y., Gall, K.,  Ho, A. J., Ivanek, R.  Gröhn, Y. T.,  and Wiedmann, M. 2005. Daily variability of Listeria contamination patterns in a cold-smoked salmon processing operation. J. Food Prot., 2006, 69: 2123-2133.

Nightingale, K.K., Fortes, E.D.,  Ho, A.J., Schukken, Y.H., Gröhn, Y. T., and M. Wiedmann:  Farm-management risk factors associated with ruminant listeriosis and Listeria monocytogenes fecal shedding in healthy ruminants JAVMA, 2005, 227: 1808-1814.

Haugan, T.*, Reksen, O., Gröhn, Y. T., Kommisrud, E., Ropstad, E. and Sehested, E.: Seasonal Effects of Semen Collection and Artificial Insemination on Dairy Cow Conception. Anim. Reprod. Sci., 2005, 90: 57-71.

Gröhn, Y. T., Gonzalez, R.N., Wilson, D.J., Hertl, J.A., Bennett, G.J., Schulte, H.F., J. Schukken, Y.H.: Effect of pathogen-specific clinical mastitis on herdlife in 2 New York State dairy herds. Prev Vet Med. 2005, 71: 105-125.

Haugan, T.,* Reksen, O., Gröhn Y.T., Gaustad, A.H. and Hofmo, P.O.: Effects of storage time of liquid boar semen on reproductive performance in Norwegian swine – A retrospective study. Theriogenology, 2005, 63: 973-984

Wang, C., Turnbull, B., Gröhn, Y. T., and Nielsen, S.S.:  Estimating ROC curves with covariates when there is no perfect

reference test for diagnosis of Johne’s Disease. J. Dairy Sci., 2006, 89: 3038-3046

Hu, Y., Gall, K.,  Ho, A. J., Ivanek, R.  Gröhn, Y. T.,  and Wiedmann, M. 2005. Daily variability of Listeria

contamination patterns in a cold-smoked salmon processing operation. J. Food Prot., 2006, 69: 2123-2133.

Nightingale, K.K., Fortes, E.D.,  Ho, A.J., Schukken, Y.H., Gröhn, Y. T., and M. Wiedmann:  Farm-management risk

factors associated with ruminant listeriosis and Listeria monocytogenes fecal shedding in healthy ruminants JAVMA, 2005, 227: 1808-1814.

Haugan, T.*, Reksen, O., Gröhn, Y. T., Kommisrud, E., Ropstad, E. and Sehested, E.: Seasonal Effects of Semen

Collection and Artificial Insemination on Dairy Cow Conception. Anim. Reprod. Sci., 2005, 90: 57-71.

Maizon, D.O., Oltenacu P.A., Gröhn Y.T., Straderman R.L. and Emanuelson U.: Effects of diseases on reproductive

performance in Swedish Red and White dairy cattle.  Prev Vet Med. 2004, 66:113-126.

Ivanek, R*, Gröhn, Y.T., Wiedmann, M., Wells, M.T..: A mathematical model of Listeria monocytogenes cross

contamination in a fish processing plant.  Journal of Food Protection, 2004, 67: 2688-2697.

Booth, C.J.*, Warnick, L.D., Gröhn, Y.T., Maizon, D.O., Guard, and Janssen, D.: The effect of lameness on culling in

dairy cows.  J. Dairy Sci.,   2004, 87: 4115-4122.

Ivanek, R.*, Snary, E. L., Cook, A.J.C., and Gröhn, Y.T.: A mathematical model for the transmission of Salmonella

Typhimurium within a grower-finisher pig herd in Great Britain.. Journal of Food Protection, 2004, 67: 2403-2409.

Nielsen, L.R., Schukken, Y.H, Gröhn, Y.T., and Ersbøll, A.K: Salmonella Dublin infection in dairy cattle: Risk factors

for becoming a carrier. Prev Vet Med, 2004, Vol 65: 47-62.

Nightingale, K.K., Schukken, Y.H., Nightingale, C.R., Fortes, E.D., Ho, A.J., Her, Z., Gröhn, Y. T., McDonough, P.L.,

and M. Wiedmann:  Ecology and transmission of Listeria monocytogenes in ruminants and the farm environment.

Applied and Environmental Microbiology 2004, 74: 4458-4467.

Gröhn, Y. T, Wilson, D.J., Gonzalez, R.N., Hertl, J.A., Schulte, H.F., Bennett, G.J., J. Schukken, Y.H.: Effect of

Pathogen-Specific Clinical Mastitis on Milk Yield in Dairy Cows. J. Dairy Sci.,   2004, 87: 3358-3374.

Wilson, D.J., Gonzalez, R.N., Hertl, J.A., Schulte, H.F., Bennett, G.J., J. Schukken, Y.H., Gröhn, Y. T.: Effect of

Clinical Mastitis on the Lactation Curve: A Mixed Model Estimation Using Daily Milk Weights. J. Dairy Sci. 2004, 87:

2073-2084.

Ivanek, R., Gröhn, Y.T., Tauer, L. W., and Wiedmann, M.: The total cost and benefit of Listeria monocytogenes food

safety measures. Critical Reviews in Food Science and Nutrition; 44: 513-523, 2004. (web page

http://aem.cornell.edu/research/wp.htm ).

De Haas, Y., Veerkamp, R.F., Barkema, H.W., Gröhn, Y.T., and  Schukken, Y.H.:  Associations Between Pathogen

Specific Cases of Clinical Mastitis and Somatic Cell Count Patterns J. Dairy Sci. 2004. 87: 95-105.

Badsgaard, N.P.*, Højsgaard, S., Gröhn, Y. T., Schukken, Y.H.: Forecasting clinical disease in pigs- comparing a naïve

and a Baysian approach. Prev. Vet. Med. 2004, 64:85-100.

Schukken, Y.H., Gröhn, Y.T., McDermott, J.J.: Analysis of correlated discrete observations: background, examples and

solutions. Prev. Vet. Med. 59:223-240, 2003.

Gröhn, Y. T., Rajala-Schultz, P.J., Allore, H.G.*, DeLorenzo, M.A., Hertl, J. A., Galligan, D. T.: Optimizing

replacement of dairy cows:  modeling the effects of diseases. Prev. Vet. Med 61:27-43, 2003.

Todhunter, R.J., Gröhn, Y.T.,  Bliss, S.P., Wilfand, A., Williams, A.J.,  ., Vernier-Singer, M.,  Burton-Wurster, N., Dykes, N.L.,  Wu, R. Casella, G., Acland, G.M., Lust, G.: Evaluation of multiple radiographic predictors of hip

osteoarthritis in dogs. Am. J. Vet. Res. 64: 12:1472-1478, 2003.

Schukken, Y.H., Gröhn, Y.T., Wiedmann, M.: Epidemiology of listeriosis. In Microbial food safety in animal

agriculture. Edited by Torrence, M.E. and Isaacson, R.E. Iowa State Press, Ames, Iowa. 2003, 221-232.