Conference information and scientific program

Growth and Development
David Carlson
Helga Sauerwein
Gary J. Hausman
James Matthews
Harald Hammon
Jay Daniel
Horse
Thomas A. Hoagland
Josie A. Coverdale
Fernada Camargo
Thank you to the JAM 2015 Program Committees

38
International Animal Agriculture
Hugo Arelovich
Filippo Miglior
Michel Wattiaux
Amey L. Adams
Andrea Rosati
Normand R. St-Pierre
Fernando Valdes
Lactation Biology
Rupert Bruckmaier
Tom McFadden
Monique Rijnkels
Ben Corl
Juan J. Loor
Chantal Farmer
Laura Hernandez
Meat Science and Muscle Biology
Ty B. Schmidt
Deborah L. VanOverbeke
Bryon Wiegand
Milk Protein and Enzymes
Rafael Jimenez-Flores
Milena Corredig 
Don McMahon
Lloyd Metzger
Yves Pouliot
Rodrigo Roesch
Hasmukh Patel
Dave Everett
Phoebe Qi
Trish Dawson
Nonruminant Nutrition
Joshua A. Jendza
Zach Rambo
Physiology and Endocrinology
Jose Santos
Brian Keith Whitlock
Lance Baumgard
Graham Cliff Lamb
Alex Souza
Kim Vonnahme
Production, Management, and the Environment
Scott Radcliffe
Trevor DeVries
Al Rotz
N. Andy Cole
Don Ely
Phil Cardoso
Ruminant Nutrition
Robbi Pritchard
Mary Beth Hall
Jong-Su Eun
Jon P. Schoonmaker
Donald A. Llewellyn
Jenny Jennings
Timothy Hackmann
Small Ruminant
Uma Karki
Pauline Y. Aad
Reid Redden
Steve Hart
Niki Whitley
Swine
Hans H. Stein
Mike D. Tokach
Yuzhi  Li
Ron Bates
Teaching/Undergraduate and Graduate Education
Mark Hanigan
Jay Daniel
Amin Ahmadzadeh
Peter K. Camfield
Jodi Sterle
Antonio Faciola
ADSA Multidisciplinary and International 
Keynote (MILK) Symposium
Leo Timms
Barry Bradford
Kerry Kaylegian 
Susan Duncan
ADSA Southern Section Symposium
Shannon Davidson
ADSA Production Division Symposium
Barry Bradford
ADSA-ASAS Northeast Section Symposium
Ken Griswold
Beef Cattle Nutrition Symposium
Steve Zinn
Richard Zinn
Nathan M. Long
Shanna L. Ivey
David Lalman
ARPAS Symposium
Robert Wettemann
Jack Garrett Jr.
Mike Galyean
Cell Biology Symposium
Teresa Davis
Ruqian Zhao

39
Program
 
Committees
ADSA Graduate Student Symposium
Curtis Park
Kasey Klein
ASAS Graduate Student Symposium
W. Brandon Smith
ASAS Undergraduate Poster Competition
Billy Flowers
Graduate Student Competition: ADSA Dairy Foods 
Oral
David McCoy
Randy Brandsma
Hasmukh Patel
Graduate Student Competition: ADSA Dairy Foods 
Poster
Elizabeth Ng
Chenchaiah Marella
Shantanu Agarwal
Graduate Student Competition: ADSA Production 
Oral (MS/PhD)
Eric Reid
Tera Montgomery
Gerd Bobe
Phil Cardoso 
Luis Mendonca
Kelly Perfield
Graduate Student Competition: ADSA Production 
Poster (MS/PhD)
Jeff Firkins
Corwin Nelson
Sheila Andrew
Kasey Moyes
Liz Karcher
Paul Fricke
Graduate Student Competition: ADSA-ASAS Northeast 
Section Oral Competition
Kristen Govoni
Graduate Student Competition: ADSA Southern Section 
Oral Competition
Shannon Davidson
Graduate Student Competition: ASAS Companion 
Animals Oral
Susanna E. Kitts-Morgan
Mycobacterial Diseases (Johne’s/TB)
Ken Olson
Preconference Teaching Workshop
Michel Wattiaux
David Buchanan
Larry Miller
Molly Kelley
Ken Esbenshade
Larry Berger
ADSA Foundation PhD Symposium
Mike Socha
Mixed Models Workshop
Nora Bello
Ken Koehler
Kevin McCarter

40
NOTES

41
SCIENTIFIC TOC
Scientific Program Table of Contents
All session rooms shown in the scientific program are in the Rosen Shingle Creek Convention Center, and all 
poster sessions will be held in the Gatlin Ballroom. Scheduling and locations are subject to change without notice, 
so please check the onsite newsletter each morning for changes.
Sunday, July 12
WORKSHOPS AND SYMPOSIA
Teaching Workshop 
Changing the animal science teaching and learning paradigm—An interactive workshop 
on how to use case study teaching to foster critical thinking and classroom discussion .................................................49
Triennial Reproduction Symposium 
Developmental programming of fertility ...................................................................................................................1–9 .................49
Breeding and Genetics Symposium: Joint Interbull/JAM Session 
Milk spectral data—Cost-effective information to improve expensive and limited traits 
in dairy cattle breeding ................................................................................................................................................10–14 .................50
Breeding and Genetics Symposium: Joint Interbull/JAM Session 
Use of genomics to improve limited and novel phenotypes in animal breeding ..................................15–19 .................51
Monday, July 13
POSTER PRESENTATIONS
ADSA-SAD (Student Affiliate Division) Undergraduate Competition 
ADSA-SAD Undergraduate Student Poster Competition. ..........................................................................M1–M16 .................52
Animal Behavior and Well-Being I ..........................................................................................................................M17–M36 .................53
Animal Health 
Beef Cattle .................................................................................................................................................................M37–M48 .................54
Animal Health 
Immunology ...........................................................................................................................................................M49–M62 ..................55
Bioethics .........................................................................................................................................................................M63–M66 ..................57
Breeding and Genetics 
Application and methods in animal breeding—Swine, poultry, and other species ......................M67–M85 .................57
Breeding and Genetics 
Molecular genetics .............................................................................................................................................M86–M100 .................58
Dairy Foods 
Chemistry .............................................................................................................................................................M101–M109 .................60
Forages and Pastures 
Silages and forages in dairy production systems ..................................................................................M110–M128 .................60
Graduate Student Competition 
ADSA Production Division Graduate Student Poster Competition, MS ........................................M129–M141 .................62
Lactation Biology I ................................................................................................................................................. M142–M156 ..................63
Meat Science and Muscle Biology  .................................................................................................................. M157–M165 ..................64
Nonruminant Nutrition 
Amino acids ........................................................................................................................................................ M166–M177 ..................65
Abstracts           Page

42
Nonruminant Nutrition 
Enzymes and minerals.................................................................................................................................... M178–M197 ..................66
Nonruminant Nutrition 
General I .............................................................................................................................................................. M198–M208 ..................68
Physiology and Endocrinology 
Effects of nutrition and metabolism on ruminant reproduction .................................................... M209–M229 ..................69
Physiology and Endocrinology 
Estrous synchronization and detection of estrus in cattle .................................................................M230–M250 .................71
Production, Management, and the Environment I ......................................................................................M251–M309 .................72
Ruminant Nutrition 
Beef I ......................................................................................................................................................................M310–M338 .................77
Ruminant Nutrition 
Dairy I.....................................................................................................................................................................M339–M415 .................79
Ruminant Nutrition 
General I ...............................................................................................................................................................M416–M451 .................85
Small Ruminant I .....................................................................................................................................................M452–M488 .................88
Swine Species ...........................................................................................................................................................M489–M518 .................90
SYMPOSIA AND ORAL SESSIONS
Animal Health 
Reproductive health and acute immune responses ........................................................................................ 20–31 .................94
Bioethics Symposium 
Effects of science, government, and the public in directing the future of animal agriculture .......... 32–37 .................95
Breeding and Genetics Symposium 
Relevance of modeling in the genomics era ....................................................................................................... 38–42 .................95
Comparative Gut Physiology and Nonruminant Nutrition Symposium 
The gut–brain axis—Sensing and signaling ....................................................................................................... 43–54 .................96
Extension Education Symposium 
Extension and industry outreach for tomorrow’s producers ........................................................................ 55–60 .................97
Forages and Pastures 
Forages for livestock systems ................................................................................................................................... 61–69 .................98
Graduate Student Competition 
ADSA Dairy Foods Graduate Student Oral Competition ................................................................................ 70–79 .................98
Graduate Student Competition 
ADSA Production Division Graduate Student Oral Competition, MS ......................................................... 80–92 .................99
Graduate Student Competition 
ADSA Southern Section Graduate Student Oral Competition ..................................................................... 93–94 .............. 100
Lactation Biology Symposium 
Mammary gland biology revisited ........................................................................................................................95–101 .............. 101
Meat Science and Muscle Biology ........................................................................................................................... 102–112 .............. 101
Nonruminant Nutrition 
Enzymes and processing ....................................................................................................................................... 113–123 .............. 102
Physiology and Endocrinology 
Reproduction and estrous synchronization ................................................................................................... 124–135 .............. 103
Production, Management, and the Environment I ............................................................................................. 136–148 .............. 104
Ruminant Nutrition 
Dairy calves ................................................................................................................................................................ 149–160 .............. 106
Abstracts               Page

43
SCIENTIFIC TOC
Ruminant Nutrition 
Dairy rumen fermentation .................................................................................................................................... 161–172 .............. 107
Small Ruminant 
Nutrition ...................................................................................................................................................................... 173–184 .............. 108
Swine Species .................................................................................................................................................................. 185–195 .............. 109
ADSA-SAD (Student Affiliate Division) Undergraduate Competition 
Dairy Foods................................................................................................................................................................. 196–201 .............. 110
ADSA Foundation PhD Symposium 
Meeting the present and future demand for employees with a PhD ................................................... 202–209 .............. 111
ADSA Multidisciplinary and International Leadership Keynote (MILK) Symposium 
Global dairy perspective—Production, processing, people, politics, and priorities ......................... 210–214 .............. 111
ADSA Southern Section Symposium 
Maximizing forage quality in the Southeast .................................................................................................. 215–219 .............. 112
ADSA-SAD (Student Affiliate Division) Undergraduate Competition 
Dairy Production ...................................................................................................................................................... 220–226 .............. 112
ADSA-SAD (Student Affiliate Division) Undergraduate Competition 
Original Research ..................................................................................................................................................... 227–232 .............. 113
Animal Behavior and Well-Being Symposium 
Novel and multidisciplinary approaches to animal welfare ..................................................................... 233–236 .............. 113
Animal Health 
Swine health and transition cows ...................................................................................................................... 237–248 .............. 114
Animal Health Symposium 
Understanding and reducing the impact of various stressors on immune responses and 
health of cattle .......................................................................................................................................................... 249–253 .............. 115
Bovine tuberculosis (TB) and paratuberculosis (Johne’s disease) Symposium 
What we know and what we need to know ................................................................................................... 254–258 .............. 115
Breeding and Genetics: EAAP Genetics Symposium 
Breeding for environmental sustainability ..................................................................................................... 259–262 .............. 116
Forages and Pastures 
Grasses and silages .................................................................................................................................................. 263–273 .............. 116
Graduate Student Competition 
ADSA Production Division Graduate Student Oral Competition, PhD .................................................. 274–287 .............. 117
Graduate Student Competition 
ADSA-ASAS Northeast Section Graduate Student Oral Competition ................................................... 288–294 .............. 119
Lactation Biology I ......................................................................................................................................................... 295–301 .............. 119
Nonruminant Nutrition 
Amino acids and minerals ..................................................................................................................................... 302–310 .............. 120
Physiology and Endocrinology 
Nutrition, reproduction, and metabolism ....................................................................................................... 311–322 .............. 121
Physiology and Endocrinology Symposium 
Progesterone as an endocrine regulator of fertility in cattle ................................................................... 323–329 .............. 122
Ruminant Nutrition 
General ......................................................................................................................................................................... 330–341 .............. 123
Ruminant Nutrition Symposium 
Time required for diet adaptation and minimization of carry-over effect 
in ruminants: Evidence-based decisions .......................................................................................................... 342–348 .............. 124
   Abstracts            Page

44
Tuesday, July 14
POSTER PRESENTATIONS
Animal Health 
Lactating cows .............................................................................................................................................................T1–T55 .............. 125
ASAS Undergraduate Student Poster Competition ............................................................................................T56–T76 .............. 129
Breeding and Genetics 
Application and methodology in animal breeding—Beef ........................................................................T77–T85 .............. 131
Breeding and Genetics 
Applications and methodology in animal breeding—Dairy .................................................................T86–T106 .............. 132
Dairy Foods 
Dairy products .......................................................................................................................................................T107–T130 .............. 133
Dairy Foods 
Microbiology ..........................................................................................................................................................T131–T147 .............. 135
Extension Education .................................................................................................................................................T148–T157 .............. 136
Food Safety ..................................................................................................................................................................T158–T175 .............. 137
Forages and Pastures 
Silages and forages in beef and sheep production systems ................................................................T176–T190 .............. 139
Graduate Student Competition 
ADSA Dairy Foods Graduate Student Poster Competition ...................................................................T191–T197 .............. 140
Graduate Student Competition 
ADSA Production Division Graduate Student Poster Competition, PhD .........................................T198–T222 .............. 140
Growth and Development I ...................................................................................................................................T223–T232 .............. 142
Horse Species ..............................................................................................................................................................T233–T247 .............. 143
International Animal Agriculture .........................................................................................................................T248–T262 .............. 144
Lactation Biology II ....................................................................................................................................................T263–T279 .............. 145
Nonruminant Nutrition 
General II .................................................................................................................................................................T280–T291 .............. 147
Nonruminant Nutrition 
Sows and piglets ..................................................................................................................................................T292–T303 .............. 148
Physiology and Endocrinology 
Environment, metabolism, and physiological processes .......................................................................T304–T315 .............. 149
Physiology and Endocrinology 
Reproductive tissues, gametes, and embryo development..................................................................T316–T329 .............. 150
Production, Management, and the Environment II........................................................................................T330–T350 .............. 151
Ruminant Nutrition 
Beef II ........................................................................................................................................................................T351–T379 .............. 153
Ruminant Nutrition 
Dairy II ......................................................................................................................................................................T380–T457 .............. 155
Ruminant Nutrition 
General II ..................................................................................................................................................... T205, T458–T493 .............. 161
Small Ruminant II .......................................................................................................................................................T494–T530 .............. 164
Teaching/Undergraduate and Graduate Education ......................................................................................T531–T537 .............. 167
  Abstracts             Page