Ruminant Nutrition XI: Dairy Metabolism

Bequette, Brian

8:30 AM

712

A comparison between propylene glycol and a multiple component drench on energetic variables in early lactating Holstein cows
M Abuajamieh, Iowa State University; S K Stoakes, Iowa State University; M V Sans-Fernandez, Iowa State University; J S Johnson, Iowa State University; P J Gorden, Iowa State University; D M McKilligan, TechMix LLC; Lance H. Baumgard, Iowa State University

Recorded Presentation (mp4)

8:45 AM

713

A comparative analysis of metabolomics and transcriptomics from prepartal liver of cows developing ketosis postpartum and healthy cows supplemented with Smartamine M and MetaSmart during the transition period
Khuram Shahzad, University of Illinois, Urbana-Champaign; Johan S Osorio, University of Illinois; Daniel N. Luchini, Adisseo S.A.S.; Juan J. Loor, University of Illinois, Urbana-Champaign

Recorded Presentation (mp4)

9:00 AM

714

The effect of subacute ruminal acidosis on milk fat synthesis and relative expression of key lipogenic enzyme genes in liver tissue in dairy cows
Yongqing Guo, Shijiazhuang Academy of Agriculture and Forestry Science; Sheng-Li Li, State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University; Z.J. Cao, State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University; Xiaofeng Xu, State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University; Yang Zou, State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University

9:15 AM

715

Effect of 2-hydroxy-4-(methylthio)butanoate (HMTBa) on risk of diet-induced milk fat depression
Michel Baldin, Penn State University; Jackie Y. Ying, Penn State University; Geoffrey I Zanton, Novus International, Inc.; Kevin J. Harvatine, Penn State University

Recorded Presentation (mp4)

9:30 AM

716

Time-course of changes in select ruminal microbes during induction and recovery from diet-induced milk fat depression in dairy cows
Daniel E. Rico, Penn State University; Sarah H. Preston, Penn State University; Kevin J. Harvatine, Penn State University

Recorded Presentation (mp4)

9:45 AM

717

The effect of length of adaptation to a high-grain diet and acidosis challenge and recovery on rumen papillae mRNA expression of genes relating to barrier function, inflammation and short-chain fatty acid transport in beef heifers
Katie M. Wood, University of Saskatchewan; Tyler Schwaiger, University of Saskatchewan; J. C. Plaizier, University of Manitoba; Karen A. Beauchemin, Lethbridge Research Centre, Agriculture and Agri-Food Canada; Greg B Penner, University of Saskatchewan

Recorded Presentation (mp4)

10:00 AM

718

Induction of Subacute Ruminal Acidosis Affects the Rumen Microbiome
Joshua C McCann, University of Illinois; Saleh A Alqarni, University of Illinois; Shaoyu Luan, University of Illinois; Phil Cardoso, University of Illinois; Juan J Loor, University of Illinois

Recorded Presentation (mp4)

10:15 AM

719

Effects of feeding a negative DCAD diet prepartum for varied lengths of time on serum metabolites and performance
Zhimei Wu, University of Georgia; John K. Bernard, University of Georgia; Kenneth P. Zanzalari, Prince Agri Products, Inc.; J. D. Chapman, Prince Agri Products, Inc.

10:30 AM

720

Effect of Pre-calving Dietary Cation Anion Difference on Milk Production: A Meta-analysis
Ian J Lean, SBScibus; Rachael Rodney, SBScibus; Peter J DeGaris, Tarwin Veterinary Group; David M McNeill, University of Queensland; Elliot Block, Church and Dwight Animal Nutrition

Recorded Presentation (mp4)

10:45 AM

721

Evaluation of choline metabolites in milk as potential biomarkers for choline absorption in the lactating dairy cow
Virginia M Artegoitia, University of Tennessee; Christiane L Girard, Agriculture & Agri-Food Canada; H�l�ne Lapierre, Agriculture & Agri-Food Canada; Shawn R Campagna, University of Tennessee; Federico Harte, University of Tennessee; Michael J de Veth, University of Tennessee

Recorded Presentation (mp4)

11:00 AM

722

Association of plasma ghrelin concentrations with feed intake in beef cattle
Andrew P Foote, USDA, ARS, US Meat Animal Research Center; Kristin E. Hales, USDA-ARS-MARC; Clay A. Lents, USDA, ARS, U.S. Meat Animal Research Center; Harvey C. Freetly, USDA, ARS, U.S. Meat Animal Research Center

Recorded Presentation (mp4)

11:15 AM

723

Effects of ruminal dose of sucrose, lactose and starch on ruminal fermentation and expression of genes in ruminal epithelial cells
Masahito Oba, University of Alberta; Jessica Mewis, University of Alberta; Zhining Zhu, University of Alberta