76	Milk Leukocyte Population Patterns in Relation to Milk Fraction, Lactation Stage and Udder Health B. Bansal1, J. Hamann2, N. Grabowski2, F. Reinecke2, G. Klein2 1India, 2Germany

77	Evolution of CMSCC in Intramammary Staphylococcus Aureus Infected Cows after Calving and Treated at Dry Period C. Ribeiro1, J. Galí2, D. Castro1, P. Teixeira1, A. Casas1, B. Fernández1, E. Barrio1, J. Simoes1 1Portugal, 2Spain

78	Udder Health and New Disease Rates in Holstein-Friesian Cows in Relation to their Lactation Number N. Grabowski, J. Hamann, G. Klein Germany

79	Thermography of the Udder Skin in Healthy Cows and after Experimentally Induced Escherichia Coli-infection M. Metzner, A. Glas, C. Sauter-Louis, W. Petzl, D. Mehne, H. Zerbe, W. Klee Germany

80	Economic Assessment of Selective versus Blanket Dry Cow Treatment Options Including Teat Sealer Use H. Seegers, D. Billon, P. Roussel, F. Serieys, N. Bareille France

81	Risk Factors for Bacteriological Quality of Bulk Tank Milk in Prince Edward Island Dairy Herds A. Elmoslemany, G. Keefe, I. Dohoo Canada

82	Effect of Early Milking of Calved Heifers and Selenium Supplementation on Incidence of Clinical Mastitis in Dairy Heifers S. McDougall, C. Compton New Zealand

83	Effect of a Killed Whole-cell Streptococcus uberis Vaccine on Prevalence and Incidence of Streptococcus uberis Mastitis S. McDougall, G. Tait, J. Moffat New Zealand

168	SCC Monitoring in my Practice I. Király, T. Barkóczi Hungary