Conference information and scientific program

Partial hydrolysis of whey protein using immobilized enzymes and conjugation of these hydrolyzates with the aim 
of lowering whey protein allergenicity. 
Yuansheng Gong*
1
, Lei Xu
1
, and John A. Lucey
1,2
, 
1
Department of Food Science, University of Wisconsin-Madison, 
Madison, WI, 
2
Center for Dairy Research, University of Wisconsin-Madison, Madison, WI.

WEDNESDAY
ORALS
253
3:00 PM 
786  
Effect of Maillard modification on reducing immunogenicity of whey protein isolate. 
Lei Xu*
1
, Yuansheng Gong
1
, and John A. Lucey
1,2
, 
1
University of Wisconsin-Madison, Department of Food Science, 
Madison, WI, 
2
Wisconsin Center for Dairy Research, Madison, WI.
Nonruminant Nutrition 
Immune support
Chair: Ryan Dilger, University of Illinois 
Sebastian I-4
2:00 PM 
787  
Evaluating the efficacy of chemicals to mitigate Salmonella cross contamination in rendered protein meals. 
Roger A. Cochrane*, Anne R. Huss, and Cassandra K. Jones, Kansas State University, Manhattan, KS.
2:15 PM 
788  
Supplemental effects of herbal additive on growth performance, health status, and carcass quality in finishing pigs 
as alternatives to the use of antibiotics. 
W. Parnsen*, S. H. Zhang, and S. W. Kim, Department of Animal Science, North Carolina State University, Raleigh, NC.
2:30 PM 
789  
Effect of additives on survival of swine delta coronavirus (SDCoV) in complete feed. 
Katie M. Cottingim*
1
, Harsha Verma
2
, Fernando Sampedro
2
, Pedro E. Urriola
1
, Gerald C. Shurson
1
, and Sagar M. 
Goyal
2
, 
1
Department of Animal Science, University of Minnesota, St. Paul, MN, 
2
Veterinary Population Medicine, 
University of Minnesota, St. Paul, MN.
2:45 PM 
790  
Infection with porcine reproductive and respiratory syndrome virus (PRRSV) affects body protein deposition and 
alters amino acid metabolism in growing pigs. 
Whitney D. Stuart*
1
, Thomas E. Burkey
2
, Nicholas K. Gabler
3
, Kent Schwartz
3
, Thu Dinh
4
, Cornelius F. M. de Lange
5
, 
David Klein
1
, John A. Dawson
1
, and Anoosh Rakhshandeh
1
, 
1
Texas Tech University, Lubbock, TX, 
2
University of 
Nebraska-Lincoln, Lincoln, NE, 
3
Iowa State University, Ames, IA, 
4
Mississippi State University, Mississippi State, MS, 
5
University of Guelph, Guelph, ON, Canada.
3:00 PM 
791  
Effect of selenium and vitamin E supplementation on muscular damage enzymes in horses under moderate exer-
cise. 
Elias Velázquez-Cantón*, Aurora H. Ramírez-Pérez, Luis Alberto Zarco-Quintero, Delia Arlette Castillo-Mata, and 
Juan Carlos Ángeles-Hernández, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de 
México, Av. Universidad 3000 México, D.F., México.
3:15 PM 
792  
Effect of Sal CURB on digestibility of energy and nutrients by growing pigs. 
Yanhong Liu* and Hans H. Stein, Department of Animal Sciences, University of Illinois, Urbana, IL.
3:30 PM 
793  
Effect of a 3-strain Bacillus-based direct-fed microbial on growth performance, volatile fatty acid production, car-
cass characteristics, and gastrointestinal tract weights in growing-finishing pigs fed low or high fiber diets. 
Neil W. Jaworski*
1
, Augustine Owusu-Asiedu
2
, Ajay Awati
2
, Alastair Thomas
2
, and Hans H. Stein
1
, 
1
University of Illinois 
at Urbana-Champaign, Urbana, IL, 
2
Danisco Animal Nutrition, DuPont Industrial Biosciences, Marlborough, UK.
3:45 PM 
794  
Effect of a 3-strain Bacillus-based direct-fed microbial on growth performance and volatile fatty acid production in 
nursery pigs fed low or high fiber diets. 
Neil W. Jaworski*
1
, Augustine Owusu-Asiedu
2
, Ajay Awati
2
, Alastair Thomas
2
, and Hans H. Stein
1
, 
1
University of Illinois 
at Urbana-Champaign, Urbana, IL, 
2
Danisco Animal Nutrition, DuPont Industrial Biosciences, Marlborough, UK.
4:00 PM 
795  
Effect of l-DOPA on performance and serum cholesterol of broiler. 
Babatunde R. Omidiwura*, Adebisi F. Agboola, and Eustace A. Iyayi, University of Ibadan, Ibadan, Oyo, Nigeria.
4:15 PM 
796  
Effect of high caloric diet enriched in medium-chain triglycerides and arginine supplementation on cholesterol and 
lipid metabolism in finishing pigs. 
Z. H. Zhou, D. W. Chen, P. Zheng, G. Tian, B. Yu*, and Y. Yao, Animal Nutrition Institute, Sichuan Agricultural Univer-
sity, Chengdu, Sichuan, China.
4:30 PM 
797  
Effects of lactulose on growth, carcass characteristics, fecal microbiota, and blood constituents in broilers. 
M. Mohammadi*, S. Shanmugam, H. Y. Shin, S. Mohana Devi, and I. H. Kim, Department of Animal Resource & Sci-
ence, Dankook University, Cheonan, Chungnam, South Korea.

254
4:45 PM 
798  
Effect of supplying a nucleotide product (Ascogen) to sow diets on growth performance of the offspring in the 
nursery. 
I-Fen Hung*
1
, Klaus Hoffmann
2
, Peter Koeppel
2
, and Merlin D. Lindemann
1
, 
1
University of Kentucky, Lexington, KY, 
2
Chemoforma Ltd, Augst, Switzerland.
Physiology and Endocrinology Symposium 
Insulin revisited
Chair: Lance Baumgard, Iowa State University 
Sponsor: Elanco Animal Health 
Panzacola H-4
2:00 PM 
799  
Insulin receptor signaling in normal and insulin-resistant states. 
Brian O’Neill*
1,2
, 
1
Joslin Diabetes Center, Boston, MA, 
2
Harvard Medical School, Boston, MA.
2:45 PM 
800  
Roles for insulin-supported skeletal muscle growth. 
Robert P. Rhoads*
1
 and Lance H. Baumgard
2
, 
1
Virginia Tech, Blacksburg, VA, 
2
Iowa State University, Ames, IA.
3:15 PM 
801  
The biology of hyperinsulenemia induction of polycystic ovarian syndrome and its complications. 
Jean-Patrice Baillargeon*
1,2
, 
1
Université de Sherbrooke, Sherbrooke, QC, Canada, 
2
Research Center of Centre Hospital-
ier Universitaire de Sherbrooke, Sherbrooke, QC, Canada.
3:45 PM 
802  
Insulin effects on mammary gland extraction and milk synthesis. 
Wendie S. Cohick*, Rutgers University, New Brunswick NJ.
4:15 PM 
803  
Effects of insulin and heat stress on mTOR signaling cascade in bovine mammary epithelial cells. 
Kimberly R. Kassube*, Jeffrey D. Kaufman, and Agustin G. Ríus, The University of Tennessee, Knoxville, TN.
4:30 PM 
804  
Heat stress reduces the phosphorylation activity of mTOR signaling cascade in bovine mammary cells. 
Jeffrey D. Kaufman*
1
, Kimberly R. Kassube
1
, Celina Baravalle
2
, and Agustin G. Ríus
1
, 
1
The University of Tennessee, 
Knoxville, TN, 
2
Universidad Nacional del Litoral, Esperanza, Santa Fe, Argentina.
4:45 PM 
805  
Proteome of adipose tissue in periparturient dairy cows related to insulin resistance. 
Maya Zachut*, Department of Ruminant Science, ARO, Volcani, Bet Dagan, Israel.
Production, Management, and the Environment V
Chair: Jimena Laporta, University of Florida 
Panzacola F-2
2:00 PM 
806  
Metabolizable energy intake effects on carcass quality of steers finished in southern Chile during summer time. 
Rodrigo A. Arias*
1
, Christian Alvarado-Gilis
1
, Tami Brown-Brandl
2
, and Terry L. Mader
3
, 
1
Instituto de Producción Ani-
mal, Universidad Austral de Chile, Valdivia Chile, 
2
MARC-ARS-USDA, Clay Center, NE, 
3
Mader Consulting LLC, Gretna, 
NE.
2:15 PM 
807  
Metabolizable energy intake effects on tympanic temperature and ADG of steers finished in southern Chile during 
summer. 
Rodrigo A. Arias*
1
, Christian Alvarado-Gilis
1
, Tami Brown-Brandl
2
, and Terry L. Mader
3
, 
1
Instituto de Producción Ani-
mal, Universidad Austral de Chile, Valdivia, Chile, 
2
MARC-ARS-USDA, Clay Center, NE, 
3
Mader Consulting LLC, Gretna, 
NE.
2:30 PM 
808  
Effect of maternal heat stress on calf growth performance and metabolism. 
J-D. Liu*
1
, A. P. A. Monteiro
1
, B. M. Ahmed
2
, T. O. Asar
2
, Z. Wu
1
, M. J. Hayen
2
, G. E. Dahl
2
, J. K. Bernard
1
, and S. Tao
1
, 
1
University of Georgia, Tifton, GA, 
2
University of Florida, Gainesville, FL.

WEDNESDAY
ORALS
255
2:45 PM 
809  
Cows exposed to heat stress in utero exhibit improved thermal tolerance. 
Bahroz M. S. Ahmed*
1
, Umair Younas
1
, Turky O. Asar
1
, Serdal Dikmen
2
, Peter J. Hansen
1
, and Geoffrey E. Dahl
1
, 
1
Uni-
versity of Florida, Gainesville, FL, 
2
University of Uludag, Bursa, Turkey.
3:00 PM 
810  
Feeding slow fermentable grains has the potential to ameliorate heat stress in sheep. 
Paula A. Gonzalez-Rivas*, Kristy DiGiacomo, Brian J. Leury, Jeremy J. Cottrell, and Frank R. Dunshea, Faculty of Veteri-
nary and Agricultural Sciences, The University of Melbourne, Parkville, Victoria, Australia.
3:15 PM 
811  
Heat stress at conception affects lifetime fertility, milk yield, and survival of Holstein cows. 
Pablo Pinedo*
1,2
 and Albert De Vries
3
, 
1
Texas A&M AgriLife Research, Amarillo, TX, 
2
Department of Veterinary Patho-
biology, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University System, College Station, TX, 
3
Department of Animal Sciences, University of Florida, Gainesville, FL.
3:30 PM 
812  
Effect of mild and moderate heat stress on milk yield and bovine milk composition in the tropical region. 
Vivian Fischer*
1
, Alexandre Sausenbach Abreu
3
, Marcelo Tempel Stumpf
4
, André Thaler Neto
2
, Daise Werncke
1
, and 
Fernando André Schmidt
2
, 
1
Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil, 
2
Universidade Es-
tadual de Santa Catarina, Lages, SC, Brazil, 
3
Universidade do Sul de Santa Catarina, Tubarão, SC, Brazil, 
4
Universidade 
de Rio Grande, São Lourenço, RS, Brazil.
3:45 PM 
813  
A cow cooling investment decision support tool for dairy farms in low and high humidity regions. 
Bettie S. Kawonga* and Jeffrey M. Bewley, Department of Animal and Food Sciences, University of Kentucky, Lexing-
ton, KY.
4:00 PM 
814  
Effect of feeding phytogenic compounds on preweaned dairy calves in a commercial setting. 
Bryan G. Miller*
1
 and Nicolas D. Bettencourt
2
, 
1
Biomin USA, San Antonio, TX, 
2
A.L. Gilbert, Oakdale, CA.
4:15 PM 
815  
Effect of condensed tannin extract supplementation on beef cattle performance and nitrogen balance: II. Finishing 
phase. 
Pake J. Ebert*
1
, Adam L. Shreck
2
, Jenny S. Jennings
3
, Noel A. Cole
2
, and Eric A. Bailey
1
, 
1
West Texas A&M University, 
Canyon, TX, 
2
USDA-Agricultural Research Service, Bushland, TX, 
3
Texas A&M AgriLife Research, Amarillo, TX.
4:30 PM 
816  
Evaluation of an extended release anthelmintic on performance and fecal parasite load of beef cattle grazing cool 
season pastures. 
J. D. Rivera*, M. L. Gipson, R. G. Gipson, and P. J. Slusher, Mississippi Agriculture and Forestry Exp. Station White Sand 
Branch Unit, Poplarville, MS.
4:45 PM 
817  
Effect of yeast culture plus enzymatically hydrolyzed yeast supplementation during transition period on milk pro-
duction and metabolic profile of dairy cows. 
Claudia Faccio Demarco
1
, Vanessa Oliveira Freitas
1
, Tatiele Mumbach
1
, Eduardo Xavier
2
, Raquel Fraga e Silva Raimon-
do
3
, Fernanda Medeiros Gonçalves
1
, Francisco Augusto Del Pino
1
, Viviane Rohrig Rabassa*
1
, Sangita Jalukar
4
, Marcio 
Nunes Corrêa
1
, and Cássio Cassal Brauner
1
, 
1
Universidade Federal de Pelotas, NUPEEC, Pelotas, RS, Brazil, 
2
Granjas 4 
Irmãos S/A, Rio Grande, RS, Brazil, 
3
Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil, 
4
Arm & Ham-
mer Animal Nutrition, Princeton, NJ.
Production, Management, and the Environment Symposium 
Environmental footprint of livestock production—Greenhouse gas emissions and climate change
Chair: Andy Cole, USDA-ARS, Bushland, Texas 
Panzacola G-1
2:00 PM 
  
Introduction.
2:00 PM 
818  
Environmental footprint of livestock production: A global perspective. 
Frank M. Mitloehner*, University of California, Davis, Davis, CA.
2:30 PM 
819  
Environmental impact reduction strategies for pig farms. 
Richard Ulrich*
1
, Greg Thoma
1
, Jennie Popp
1
, and Mark Hanigan
2
, 
1
University of Arkansas, Fayetteville, AR, 
2
Virginia 
Tech, Blacksburg, VA.

256
3:00 PM 
820  
Quantifying greenhouse gas fluxes in animal production. 
Wendy Powers* and Matheus Capelari, Michigan State University, East Lansing, MI.
3:30 PM 
  
Break
3:45 PM 
821  
Greenhouse gas emissions and nitrogen cycling from beef production systems: Effects of climate, season, produc-
tion system, and diet. 
Galen E. Erickson*, Samodha C. Fernando, Terry J. Klopfenstein, Andrea K. Watson, James C. MacDonald, Anna C. 
Pesta, Allison L. Knoell, and Henry Paz, University of Nebraska-Lincoln, Lincoln, NE.
4:15 PM 
822  
Forage utilization to mitigate greenhouse gas emissions by ruminants. 
Karen A. Beauchemin*, Agriculture and Agri-Food Canada, Lethbridge Research Centre, Lethbridge, AB, Canada.
Ruminant Nutrition 
Modifying rumen microbial populations
Chair: Nicholas DiLorenzo, University of Florida 
Panzacola H-2
2:00 PM 
823  
Protozoa reduction in the rumen of grazing cattle fed mixtures of coconut and palm kernel oils. 
Oludotun O. Adelusi, Adebayo O. Oni*, Oluwaseun J. Idowu, Victoria O. Ojo, and Christopher F. Onwuka, Federal 
University of Agriculture, Abeokuta, Ogun State, Nigeria.
2:15 PM 
824  
Total-tract fatty acid digestibility responses to increasing levels of palmitic acid supplementation of dairy cows 
receiving low- and high-fat diets. 
Jonas De Souza*, J. Eduardo Rico, Courtney L. Preseault, Michael S. Allen, and Adam L. Lock, Michigan State Univer-
sity, East Lansing, MI.
2:30 PM 
825  
Daily patterns of hydrogen and volatile fatty acid concentrations in relation to thermodynamic control on fermen-
tation in the bovine rumen. 
Hendrikus J. van Lingen*
1,2
, Jueeli D. Vaidya
1,3
, Sanne van Gastelen
1,2
, Bartholomeus van den Bogert
1,3
, André Ban-
nink
4
, Caroline M. Plugge
3
, Hauke Smidt
3
, and Jan Dijkstra
2
, 
1
Top Institute Food and Nutrition, Wageningen, Gelder-
land, the Netherlands, 
2
Animal Nutrition Group, Wageningen University, Wageningen, Gelderland, the Netherlands, 
3
Laboratory of Microbiology, Wageningen University, Wageningen, Gelderland, the Netherlands, 
4
Animal Nutrition, 
Wageningen UR Livestock Research, Wageningen, Gelderland, the Netherlands.
2:45 PM 
826  
Effects of chitosan on ruminal metabolism and in situ degradability of beef cattle. 
Darren D. Henry*, Francine M. Ciriaco, Vitor R. G. Mercadante, Tessa M. Schulmeister, Martin Ruiz-Moreno, G. Cliff 
Lamb, and Nicolas DiLorenzo, North Florida Research and Education Center, University of Florida, Marianna, FL.
3:00 PM 
827  
Ellipsoid equation improves accuracy and efficiency of estimating protozoal volume. 
Benjamin A. Wenner*, Brooklyn K. Wagner, and Jeffrey L. Firkins, Department of Animal Sciences, The Ohio State 
University, Columbus, OH.
3:15 PM 
828  
Effect of monensin inclusion on ruminal fermentation parameters in Bos indicus and Bos taurus steers consuming 
bermudagrass hay. 
Natasha L. Bell*
1,2
, Robin C. Anderson
3
, Todd R. Callaway
3
, Marcia O. Franco
4
, and Tryon A. Wickersham
1
, 
1
Texas 
A&M University, College Station, TX, 
2
Texas A&M University-Kingsville, Kingsville, TX, 
3
Southern Plains Agricultural 
Research Center, Agricultural Research Service, USDA, College Station, TX, 
4
Universidade Federal de Viçosa, Viçosa, 
Minas Gerais, Brazil.
3:30 PM 
829  
Effect of monensin withdrawal on ruminal fermentation parameters in Bos indicus and Bos taurus steers consum-
ing bermudagrass hay. 
Natasha L. Bell*
1,2
, Robin C. Anderson
3
, Todd R. Callaway
3
, Marcia O. Franco
4
, and Tryon A. Wickersham
1
, 
1
Texas 
A&M University, College Station, TX, 
2
Texas A&M University-Kingsville, Kingsville, TX, 
3
Southern Plains Agricultural 
Research Center, Agricultural Research Service, USDA, College Station, TX, 
4
Universidade Federal de Viçosa, Viçosa, 
Minas Gerais, Brazil.

WEDNESDAY
ORALS
257
3:45 PM 
830  
Effects of solid feed level and roughage-to-concentrate ratio on ruminal drinking and passage kinetics of milk, 
concentrates, and roughage in veal calves. 
Harma Berends*
1
, Joost van den Borne
1
, Norbert Stockhofe
2
, Myrthe Gilbert
1
, Tamme Zandstra
1
, Wilbert Pellikaan
1
, 
Kees van Reenen
3
, Eddie Bokkers
4
, and Walter Gerrits
1
, 
1
Animal Nutrition Group, Wageningen University, Wagenin-
gen, Gelderland, the Netherlands, 
2
Central Veterinary Institute, Lelystad, Flevoland, the Netherlands, 
3
Livestock 
Research, Wageningen, Gelderland, the Netherlands, 
4
Animal Production Systems Group, Wageningen University, 
Wageningen, Gelderland, the Netherlands.
4:00 PM 
831  
Effect of dietary supplementation with resveratrol on nutrient digestibility, methanogenesis and ruminal microbial 
flora in sheep. 
Tao Ma
1
, Dan-dan Chen
1
, Yan Tu
1
, Nai-feng Zhang
1
, Bing-wen Si
1
, Kai-dong Deng
2
, and Qi-yu Diao*
1
, 
1
Feed Research 
Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Feed Biotechnology of the Ministry of Agricul-
ture, Beijing, China, 
2
College of Animal Science, Jinling Institute of Technology, Nanjing, Jiangsu, China.
4:15 PM 
832  
Essential oils from goat weed (Ageratum conyzoides) and African basil (Ocimum gratissimum) can reduce in vitro 
enteric methane production. 
Musibau A. Bamikole
1,2
, Ibukun M. Ogunade*
1
, Felipe Amaro
1
, Yun Jiang
1
, Thiago F. Bernardes
1
, Vania R. Vasconcelos
1
, 
Darren D. Henry
3
, F. O. Ugiagbe
2
, U. J. Ikhatua
2
, Nicolas DiLorenzo
3
, and Adegbola T. Adesogan
1
, 
1
University of Florida, 
Gainesville, FL, 
2
University of Benin, Benin City, Nigeria, 
3
North Florida Research and Education Center, University of 
Florida, Marianna, FL.
4:30 PM 
833  
Effects of supplemental energy and protein source on performance of steers grazing irrigated corn residue. 
Benjamin T. Tibbitts*
1
, Cody A. Welchons
1
, Robert G. Bondurant
1
, Fred H. Hilscher
1
, James C. MacDonald
1
, and Rick N. 
Funston
2
, 
1
University of Nebraska-Lincoln, Lincoln, NE, 
2
University of Nebraska West Central Research and Extension 
Center, North Platte, NE.
4:45 PM 
834