Eleventh DISCOVER Conference on Food Animal Agriculture:

Amino Acid Requirements of Dairy Cows

New Technologies, New Research, New Directions

August 28-31, 2005 Abe Martin Lodge Brown County Indiana

Sunday, August 28, 2005

6:00 – 9:00 pm Welcoming Reception, Dinner, & Keynote Speaker

Moderator: John E. Shirley, Kansas State University

Welcome: Bill Baumgardt, DISCOVER Conference Series

Why Should We Be Interested in the Amino Acid Requirements of Dairy Cows? Lou Armentano, University of Wisconsin-Madison

Monday August 29, 2005

7:00 am Breakfast, Dining Room, Abe Martin Lodge

8:00 – 12 Noon Session I: Current Knowledge of Amino Acid Requirements

Moderator: John Shirley, Kansas State University, Manhattan

Comments: Bill Baumgardt/Molly Kelley, DISCOVER Conference Series

General Perspective: Chuck Schwab, University of New Hampshire,

Stafford

Questions and discussion

Maintenance Requirements: Helen Lapierre, Agriculture & Agri-Food

Canada, Lennoxville, PQ

Questions and discussion

Break

Pregnancy and Postnatal Requirements: Alan Bell, Cornell University, Ithaca, NY

Questions and discussion

Mammary Gland Requirements: Brian Bequette, University of Maryland, College Park

General discussion: Questions and comments

12:00 – 1:00 pm Lunch, Dining Room, Abe Martin Lodge

Afternoon free for further discussion and/or recreation

6:00 pm Dinner on your own

7:00 – 9:00 pm Session II: Ruminal Considerations Regarding Amino Acid Nutrition

Moderator: Gabriella Varga, Penn State University, University Park

Rumen Nitrogen Dynamics: John Wallace, Rowett Research Institute, Bucksburn, Aberdeen, Scotland
Questions and discussion

Increasing Nitrogen Capture by Rumen Microorganisms: Glen

Broderick, USDA-ARS, Madison, WI

Questions and comments

Tuesday August 30, 2005

7:00 am Breakfast, Dining Room, Abe Martin Lodge

8:00 – 12 Noon Session III: Post Ruminal Considerations

Moderator: Alan Bell, Cornell University, Ithaca, NY

Predicting Digestibility of Dietary RUP and Its Constituent Amino Acids: Marshall Stern, University of Minnesota, St. Paul

Questions and discussion

Absorption and Post Hepatic Delivery of Amino Acids:

Chris Reynolds, The Ohio State University-OARDC, Wooster

Questions and discussion

Regulation of Amino Acid Use in Splanchnic Tissues: Douglas Burrin, USDA ARS Children’s Nutrition Research Center, Baylor College of Medicine, Waco, TX

Questions and discussion

Break

Milk Protein Synthesis as a Function of Amino Acid Supply:

Helen Lapierre, Agriculture & Agri-Food Canada, Lennoxville, PQ

General Discussion: Questions and comments

12:00 -1:00 pm Lunch, Dining Room, Abe Martin Lodge

1:30 – 3:30 Session IV: Industry Perspectives: Information Needed to Address Practical Problems

Moderator: Chuck Schwab, University of New Hampshire, Stafford

Robert Patton, Nittany Dairy Nutrition, Inc., Mifflinburg, PA

Phil Jardon, West Central Soy, Ralston, IA

Jim Aldrich, Akey, Lewisburg, OH

Brian Sloan, Adisseo North America, Alpharetta, GA

Spence Driver, Vita Plus Corporation, Madison, WI

General discussion

3:30 Free time for further discussion and recreation

6:00 Dinner on your own

7:00 – 9:00 pm Session V: Metabolic and Mammary Considerations

Moderator: Chris Reynolds, The Ohio State University-OARDC,

Wooster

Regulation of Amino Acid Uptake and Utilization in the Porcine

Mammary Gland: Nathalie Trottier, Michigan State University, East

Lansing

Questions and comments

Metabolic Regulation of Amino Acid Utilization: Alan Bell, Cornell University, Ithaca, NY

General discussion and comments

Wednesday, August 31, 2005

7:00 am Breakfast, Dining Room, Abe Martin Lodge

8:00 – 12 Noon Session VI: Future Research and Application

Moderator: Robert Patton, Nittany Dairy Nutrition, Inc, Mifflinburg, PA

Predicting Passage of Microbial Crude Protein, RUP, and Endogenous Crude Protein to the Small Intestines (Approaches and Challenges): Ignacio R. Ipharraguerre, Cargill Animal Nutrition, Elk River, MN

Questions and discussion

Modeling Amino Acid Needs of the Dairy Cow: Mark Hanigan, Virginia

Tech, Blacksburg

Questions and comments

Break

Amino Acid Requirements of the Dairy Cow -- Conference Perspective: Gabriella Varga, Penn State University, University Park

General Discussion

12:00 Lunch, Dining Room, Abe Martin Lodge

1:00 Adjourn