Sponsors...ii

Organizations...iii

Acknowledgements...iv

Preface
P. Lacasse...vi

Sensors and management support in high-technology milking.
H. Hogeveen and W. Ouweltjes...1

Management of photoperiod in the dairy herd for improved production and health.
G. E. Dahl and D. Petitclerc...11

Lactation persistency: Insights from mammary cell proliferation studies.
A. V. Capuco, S. E. Ellis, S. A. Hale, E. Long, R. A. Erdman, X. Zhao, and M. J. Paape....18

Production of transgenic livestock: Promise fulfilled.
M. B. Wheeler...32

Mammary expression of new genes to combat mastitis.
D. E. Kerr and O. Wellnitz...38

Proteomics methods for probing molecular mechanisms in signal transduction.
L. G. Sheffield and J. J. Gavinski...48

Short Oral and Poster Presentations...58

List of Participants...74