| Preface | Advisory Committee | Sponsors |
Session I. New Perspectives on Feeding Cows
Keynote Speaker: Making Cents Out Of Research: From the Lab Bench to the Farm Gate
Jim Spain
New Concepts in Nutritional Management of Dry Cows
Jim Drackley
Is There A Place For Short Dry Periods For High Producing Herds?
Tom Overton
Relationships of Negative Energy Balance with Fertility
Ron Butler
Session II. Policy and Marketing
Value-Added Pros and Cons: Can Producers Profit from High-CLA Milk and Dairy Products?
Leigh Maynard
Canadian Regulation of Functional Foods
Susan Lutz
Dairy Products and Consumer Demand for Health Foods
Sean Cash
Session III. Health and Wellness
Keynote Speaker: Control Programs for Johne’s Disease
Huybert Groenendaal
A New Understanding of the Causes of Fatty Liver in Dairy Cows
Burim Ametaj
Extended Lactation: Turning Theory into Reality
Chris Knight
Preventing and Treating Lameness
Roger Blowey
Session IV. Re-thinking Reproduction Issues
Keynote Speaker: Overall Reproductive Performance of Canadian Dairy Cows: Challenges We Are Facing
Stephen LeBlanc
Second Insemination Breeding Strategies for Dairy Cows
Matt Lucy
Relationships of Dietary Protein and Fertility
Ron Butler
Implementing a Nutritional Management Plan to Enhance Fertility
Jim Spain
Session V. Modern Concepts in Heifer Rearing
Keynote Speaker: Rumen Development in the Dairy Calf
Jud Heinrichs
Does Early Growth Affect Subsequent Health and Performance of Heifers?
Jim Drackley
Designing Heifer Systems That Work On Your Farm
Tom Overton
Raising Johne’s-Free Calves
Jocelyn Jansen
Session VI. Emerging Issue
Keynote Speaker: Monitoring and Mitigation of E. coli O157:H7 in Commercial Dairies
Tim McAllister
Session VI. Feeding for Milk Composition
The Demand for Milk Components
Nelson Coyle
Nutrition as a Tool to Alter Milk Composition
John Kennelly
Keynote Speaker: Implications of Fat-Feeding Practices for Lactating Dairy Cows – Effects on Milk Fat
Charles Staples
Session VII. Managing for Profitability
Keynote Speaker: Balancing High Production and Health of Cows
Roger Blowey
Fertility Traits in New Zealand vs. North American Holsteins
Matt Lucy
Using DHI Records On-Farm to Evaluate Reproductive Performance
Stephen LeBlanc
Making Informed Culling Decisions
Huybert Groenendaal
Abstracts
Mechanical Processing of Barley Silage for Lactating Dairy Cows
J.-S. Eun, K. A. Beauchemin, and W. Z. Yang
Dairy Cows Sort Their TMR
Wen Z. Yang and Karen A. Beauchemin
Physically Effective Fibre Content of Dairy Diets and the Risk of Ruminal Acidosis
Wen Z. Yang and Karen A. Beauchemin
Effect of Feeding Frequency on the Quality of TMR Available Throughout the Day
T. J. DeVries, M. A. G. von Keyserlingk, and K. A. Beauchemin
Drinking and Competitive Behaviour of Dairy Calves Following Introduction into a Group Pen
Keelin O’Driscoll, M. A. G. von Keyserlingk, and D. M. Weary
Effects of Diet and Time of Feeding on Productivity, Rumen pH, and Blood Metabolites of Lactating Dairy Cows
A. Nikkhah, C. Furedi, J. Plaizier, and A. Kennedy
Development of Holstein Heifers from In vivo or In vitro Produced Embryos Transferred to Beef Cattle
B. A. Sawatzky, J. A. Small, A. D. Kennedy, J. D. Ambrose and K. M. Wittenberg
Understanding Variation in Milk CLA Content: Development of Techniques to Characterize Diet-Induced Changes in Rumen Microbial Profiles
R. Mohammed, D.R. Glimm, G.W. Tannock, R.J. Forster, C. Stanton, and J.J. Kennelly
Effect of Feeding Ground versus Whole Safflower Seed and Safflower Oil on Milk Fatty Acid Composition in Cows
R. Mohammed, D. Lee, E. Tong, S. Parmley, G. R. Khorasani and L. Doepel
Effect of Sunflower Oil Delivery Method on Conjugated Linoleic Acid Content in Milk
G. McGregor, A. Meszaros, Y. Parrott, S. Tam, M. Oba, and L. Doepel
Ruminal Fermentation of Processed and Heat-treated Sunflower Seeds
A.R. Kroeker and D. A. Christensen
Nutritive Value of Whole Raw and Roasted Sunflowers for High Producing Dairy Cows
A.R. Kroeker and D. A. Christensen
The Effect of Monensin and Sodium Bicarbonate on Milk Yield and Composition
C. Dary, M. Harris, N. Koppe, T. Ritson-Bennett, R. Khorasani, and L. Doepel
Comparison of Activity Partitioning in 1st, 2nd, and 3rd/4th Lactation Dairy Cows
C. Beck, K. Chorna, K. Nichiporik, C. Riczu, J. Feddes, and L. Doepel
Do Heifers at Different Stages of the Estrous Cycle Respond Differently to Gonadotropin Releasing Hormone Treatment
B. Kumpula, F. Salmon, P. Suddaby, S. Terletski, J.D. Ambrose, and L. Doepel
Progesterone (CIDR) Device-Based Timed AI Protocols for Dairy Heifers
J.D. Ambrose, P.A. Day1, and J.P. Kastelic
Electronic or Visual Detection of Estrus versus Timed-AI
J.D. Ambrose, J.P. Kastelic, P.A. Day, R. Wilde, and J.A. Small
Comparing Timed AI to Electronic Estrus Detection in Holstein Heifers
J.D. Ambrose, P.A. Day, and J.A. Small
Conception Rates in Dairy Cows Given Prostaglandin at Insemination
J.D. Ambrose and J.P. Kastelic