Ruminant Nutrition VII: Dairy Metabolism
Wednesday, July 23, 2014: 10:30 AM-12:30 PM
2103A (Kansas City Convention Center)
Moderator:
Shawn S Donkin
10:30 AM
Effect of reduced energy density of close-up diet on ruminal fermentation parameters in multiparous Holstein cows
Wen-Ming Huang, State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University;
Amina Simayi, State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University;
Amingul Yasheng, State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University;
Zhao-Hai Wu, State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University;
Zhi-Jun Cao, State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University;
Sheng-Li Li, State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University
10:45 AM
Prepartum dietary energy strategies for Holstein dairy cows: Effects on markers of negative energy balance and performance
Sabine Mann, Cornell University, Department of Population Medicine and Diagnostic Sciences;
Francisco A Leal Yepes, Cornell University, Department of Animal Science;
Thomas R Overton, Cornell University, Department of Animal Science;
Joseph J Wakshlag, Cornell University, Department of Clinical Sciences;
Daryl V Nydam, Cornell University, Department of Population Medicine and Diagnostic Sciences
11:45 AM
Effects of yeast product supplementation on production, feeding behavior, and metabolism in transition dairy cows
Kai Yuan, Kansas State University;
Ting Liang, GM Powertrain;
Mary Muckey, Kansas State University;
Luis Mendonca, Kansas State University;
Lindsey Hulbert, Kansas State University;
Laman Mamedova, Kansas State University;
Charlie C. Elrod, Vi-COR, Inc.;
Barry Bradford, Kansas State University
12:00 PM
Milk production performance of autumn-calving Holstein Friesian cows managed under flat-rate or feed-to-yield concentrate feeding systems
David C Lawrence, School of Agriculture and Food Science, University College Dublin, Belfield;
Emer Kennedy, Teagasc, Moorepark;
Michael O'Donovan, Teagasc, Moorepark;
Tommy M. Boland, School of Agriculture and Food Science, University College Dublin;
Aidan Lawless, Teagasc, Johnstown Castle;
Joseph Patton, Teagasc, Grange, Dunsaney,
12:15 PM
Does concentrate allocation pattern affect the milk production of autumn calving cows at high and low feeding levels?
David C Lawrence, School of Agriculture and Food Science, University College Dublin, Belfield;
Michael O'Donovan, Teagasc, Moorepark;
Tommy M. Boland, School of Agriculture and Food Science, University College Dublin;
Eva Lewis, Teagasc, Moorepark;
Emer Kennedy, Teagasc, Moorepark
