Conference information and scientific program

Comparing climate impacts of grass-finished beef production strategies in the upper Midwest using a partial life 
cycle analysis. 
Jason E. Rowntree*
1
, Rebecca Ryals
2
, Marcia S. DeLonge
3
, Marilia B. Chiavegato
4
, W. Richard Teague
5
, and Peter 
Byck
6
, 
1
Michigan State University, East Lansing, MI, 
2
University of Hawaii, Honolulu, HI, 
3
Union of Concerned Scien-
tists, Washington, DC, 
4
University of São Paulo, Piracicaba, São Paulo, Brazil, 
5
Texas A&M Agrilife Research, Vernon, 
TX, 
6
Arizona State University, Tempe, AZ.
2:45 PM 
594  
Predicting methane emission of dairy cows using fatty acids and volatile and non-volatile metabolites in milk. 
Sanne van Gastelen*
1,2
, Elsa C. Antunes-Fernandes
1,3
, Kasper A. Hettinga
3
, and Jan Dijkstra
2
, 
1
Top Institute Food and 
Nutrition, Wageningen, the Netherlands, 
2
Animal Nutrition Group, Wageningen University, Wageningen, the Nether-
lands, 
3
Food Quality Design Group, Wageningen University, Wageningen, the Netherlands.
3:00 PM 
595  
Methane prediction equations for beef cattle fed low forage diet. 
Paul Escobar-Bahamondes*
1,2
, Masahito Oba
1
, and Karen A. Beauchemin
2
, 
1
University of Alberta, Edmonton, AB, 
Canada, 
2
Agriculture and Agri-Food Canada, Lethbridge, AB, Canada.
3:15 PM 
596  
Evaluating extant empirical models for predicting enteric methane emissions from lactating dairy cows. 
J. A. D. R. N. Appuhamy* and E. Kebreab, Department of Animal Science, University of California, Davis, CA.
3:30 PM 
597  
Comparison between the GreenFeed system and the sulfur hexafluoride tracer technique for measuring enteric 
methane emissions from dairy cows. 
Joonpyo Oh*
1
, Fabio Giallongo
1
, Tyler Frederick
1
, Mike T. Harper
1
, Holley Weeks
1
, Antonio F. Branco
2
, Alexander 
N. Hristov
1
, William J. Price
3
, Peter J. Moate
4
, Matthew H. Deighton
4
, S. Richard O. Williams
4
, Maik Kindermann
5
, 
and Stephane Duval
6
, 
1
The Pennsylvania State University, University Park, PA, 
2
Universidade Estadual de Maringá, 
Maringá, Paraná, Brazil, 
3
University of Idaho, Moscow, ID, 
4
Agriculture Research Division, Ellinbank Centre, Ellinbank, 
Victoria, Australia, 
5
DSM Nutritional Products, Base, Switzerland, 
6
DSM Nutritional Products France, Saint Louis 
Cedex, France.

TUESDAY
ORALS
193
3:45 PM 
598  
Breed and lactation stage affect rumen methanogens in co-housed primiparous dairy cattle. 
L. M. Cersosimo*
1
, M. Bainbridge
1
, J. Kraft
1
, and A.-D. G. Wright
2
, 
1
University of Vermont, Burlington, VT, 
2
University 
of Arizona, Tucson, AZ.
4:00 PM 
599  
Aerodynamic design of a TMR feed bin to measure gaseous emissions from cattle. 
Scott Zimmerman*
1
, John Roche
2
, and Pat Zimmerman
1
, 
1
C-Lock Inc., Rapid City, SD, 
2
Dairy NZ, Hamilton, New 
Zealand.
4:15 PM 
600  
Predicting nitrogen excretion from lactating dairy cattle. 
Kristan F. Reed*
1
, Luis E. Moraes
1
, Alexa Johnson
1
, David P. Casper
2
, and Ermias Kebreab
1
, 
1
University of California, 
Davis, Davis, CA, 
2
South Dakota State University, Brookings, SD.
4:30 PM 
601  
Checks and balances: Evaluating reliability of dairy nutrient management data to better protect groundwater 
resources. 
Christine Miller* and Deanne Meyer, University of California, Davis, Davis, CA.
4:45 PM 
602  
Economic and environmental implications of wheat crop rotations on organic dairy farms. 
D. C. Abreu*
1,3
, A. K. Hoshide
2
, E. B. Mallory
2
, A. S. Oliveira
1
, R. J. Kersbergen
2
, R. P. Lana
3
, and C. P. Ghedini
4
, 
1
Univer-
sidade Federal de Mato Grosso, Sinop, MT, Brazil, 
2
University of Maine, Orono, ME, 
3
Universidade Federal de Viçosa, 
Viçosa, MG, Brazil, 
4
University of New Hampshire, Durham, NH.
Ruminant Nutrition 
Manipulating rumen function
Chair: Jenny Jennings, Texas A&M Agrilife Research 
Panzacola H-2
2:00 PM 
603  
The effects of Megalac and a fatty acid prill containing high levels of palmitic acid supplementation on milk fatty 
acid composition with early lactation dairy cows. 
Guiling Ma
1
, Elliot Block
2
, Limin Kung
3
, Joe Harrison*
1
, and C. Merrill
2
, 
1
Washington State University, Puyallup, WA, 
2
Arm & Hammer Animal Nutrition, Princeton, NJ, 
3
University of Delaware, Newark, DE.
2:15 PM 
604  
Effects of different levels of supplementation of a molasses and crude glycerol mixture on ruminal fermentation 
parameters of beef steers. 
Francine M. Ciriaco*, Darren D. Henry, 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.
2:30 PM 
605  
Total tract pdNDF digestibility in heifers fed with TMR or pelleted ration. 
Elena Bonfante*, Mattia Fustini, Nicola Negri, Alberto Palmonari, Giorgia Canestrari, and Andrea Formigoni, DIME-
VET, University of Bologna, Ozzano Emilia, Italy.
2:45 PM 
606  
Rumen degradability of wheat straw is related to changes in lignin properties after fungal treatment. 
Sandra J. A. van Kuijk*
1
, Anton S. M. Sonnenberg
2
, Johan J. P. Baars
2
, Wouter H. Hendriks
1
, and John W. Cone
1
, 
1
Ani-
mal Nutrition Group, Wageningen University, Wageningen, the Netherlands, 
2
Plant Breeding, Wageningen Univer-
sity, Wageningen, the Netherlands.
3:00 PM 
607  
Inoculant effects on silage fermentation and aerobic stability of sorghum wet ethanol co-product/roughage 
blends. 
Pedro R. B. Campanili*, Jhones O. Sarturi, Michael L. Galyean, Sara Trojan, Lauren A. Ovinge, Barbara J. M. Lemos, 
Alex Thompsom, David Klein, Mendu Venugopal, and Bradley Johnson, Texas Tech University, Lubbock, TX.
3:15 PM 
 
Break
3:30 PM 
609  
Effects of urea and fibrolytic enzymes on chemical composition, in vitro digestibility, in vitro degradability, and gas 
production of cotton gin trash. 
Alexandro Pereira Andrade
1,2
, Mauro Pereira de Figueiredo
2
, Danilo Gusmao de Quadros*
1
, Joel Queiroga Ferreira
2
, 
and Yann Santos Luz
2
, 
1
Bahia State University, Barreiras, Bahia, Brazil, 
2
Southwest Bahia University, Vitoria da Con-
quista, Bahia, Brazil.

194
3:45 PM 
610  
Effects of Saccharomyces cerevisiae boulardii supplementation during the receiving period on growth efficiency, 
and behavioral and health responses in newly weaned beef heifers. 
Monica L. Jenks*
1
, Gordon E. Carstens
1
, Abbey G. Cupples
1
, Jason E. Sawyer
1
, William E. Pinchak
2
, Kerry S. Barling
3
, 
and E. Chevaux
3
, 
1
Department of Animal Science, Texas A&M University, College Station, TX, 
2
Texas A&M AgriLife, 
Vernon, TX, 
3
Lallemand Animal Nutrition, Milwaukee, WI.
4:00 PM 
611  
Direct addition or pre-incubation of exogenous xylanase affects in vitro gas production kinetics, degradability and 
ruminal fermentation activities of three fibrous feeds. 
M. M. Y. Elghandour
1
, A. E. Kholif
2
, S. Lopez
3
, A. Z. M. Salem*
1
, and T. A. Morsy
2
, 
1
Facultad de Medicina Veterinaria y 
Zootecnia, Universidad Autónoma del Estado de México, Toluca, Estado De México, Mexico, 
2
Dairy Science Depart-
ment, National Research Centre, Giza, Egypt, 
3
Instituto de Ganadería de Montaña (IGM) CSIC-Universidad de León, 
Departamento de Producción Animal, Universidad de León, León, Spain.
4:15 PM 
612  
Effects of essential oils and exogenous enzymes for finishing Nellore cattle in feedlot. 
Murillo Alves Porto Meschiatti
1
, Lucas Agostinho Pellarin
1
, João Ricardo Rebouças Dórea
2
, Tiago Sabella Acedo
2
, Luis 
Fernando Tamassia
2
, Cristina Simões Cortinhas
2
, and Flávio Augusto Portela Santos*
1
, 
1
University of São Paulo, Piraci-
caba, SP, Brazil, 
2
DSM Produtos Nutricionais Brasil SA, São Paulo, SP, Brazil.
4:30 PM 
613  
Effect of supplementing grazing cattle with Saccharomyces cerevisiae on fiber digestibility and rumen cellulolytic 
bacteria population. 
D. O. Sousa*
1
, M. A. Arcari
1
, M. V. Biehl
1
, A. V. Pires
1
, E. Chevaux
2
, L. J. Mari
2
, and L. F. P. Silva
1
, 
1
University of São 
Paulo, Pirassununga, São Paulo, Brazil, 
2
Lallemand Animal Nutrition, Aparecidada de Goiânia, Goiás, Brazil.
4:45 PM 
614  
Effects of enzymatically hydrolyzed yeast supplementation and supplementation frequency on immune param-
eters among periparturient beef cows and calves. 
Janine E. Swartz*, Derek W. Brake, Elaine E. Grings, Eric A. Nelson, Cody L. Wright, Julie A. Walker, Ethan J. Blom, and 
George A. Perry, South Dakota State University, Brookings, SD.
Ruminant Nutrition 
Protein metabolism
Chair: John McNamara, Washington State University 
Panzacola H-3
2:00 PM 
615  
Water partitioning in lactating Holstein cows fed two levels of dietary forage and crude protein contents. 
J. A. D. R. N. Appuhamy*
1
, M. Niu
1
, A. Leytem
2
, R. Dungan
2
, and E. Kebreab
1
, 
1
Department of Animal Science, Univer-
sity of California, Davis, CA, 
2
USDA-ARS, Northwest Irrigation Research Lab, Kimberly, ID.
2:15 PM 
616  
Milk yield and composition responses to changes in supply of net energy and metabolizable protein: A meta-anal-
ysis. 
Jean-Baptiste Daniel*
1,2
, Nicolas C. Friggens
1
, Patrick Chapoutot
1
, Harmen Van Laar
2
, and Daniel Sauvant
1
, 
1
INRA-
AgroParisTech UMR791, Paris, Îles-de-France, France, 
2
Nutreco R&D, Boxmeer, North Brabant, the Netherlands.
2:30 PM 
617  
Updating protein requirements and responses of metabolizable protein efficiency in dairy cows and goats. 
Daniel Sauvant*
1
, Gonzalo Cantalapiedra-Hijar
2
, and Pierre Noziere
2
, 
1
AgroParistech-INRA, Paris, France, 
2
INRA-Veta-
groSup, Theix, France.
2:45 PM 
618  
The effect of concentration allocation strategy on the performance, health and fertility of high-genetic-merit dairy 
cows offered a grass silage-based diet. 
Mark W. Little*
1,2
, Niamh O’Connell
2
, and Conrad P. Ferris
1
, 
1
Agri-Food and Biosciences Institute, Hillsborough, UK, 
2
School of Biological Sciences, Queens University Belfast, Belfast, UK.
3:00 PM 
619  
How the efficiency of utilization of histidine varies with supply in dairy cows. 
Helene Lapierre* and Daniel R. Ouellet, Agriculture and Agri-Food Canada, Sherbrooke, QC, Canada.

TUESDAY
ORALS
195
3:15 PM 
620  
Effects of rumen-protected methionine, lysine, and histidine on lactation performance of dairy cows. 
F. Giallongo*
1
, J. Oh
1
, M. Harper
1
, J. Lopes
1
, A. N. Hristov
1
, H. Lapierre
2
, R. A. Patton
3
, I. Shinzato
4
, J. Tekippe
4
, and 
C. Parys
5
, 
1
Department of Animal Science, The Pennsylvania State University, University Park, PA, 
2
Dairy and Swine 
Research and Development Centre, Agriculture and Agri-Food Canada, Sherbrooke, QC, Canada, 
3
Nittany Dairy Nutri-
tion Inc., Mifflinburg, PA, 
4
Ajinomoto Co. Inc., Tokyo, Japan, 
5
Evonik Industries AG, Hanau, Germany.
3:30 PM 
621  
Evaluation of a rumen-protected methionine product for lactating dairy cows at 2 concentrations of dietary crude 
protein. 
Shane M. Fredin*
1
, Heather M. Dann
1
, Kurt W. Cotanch
1
, Catherine S. Ballard
1
, Richard Paratte
2
, Kai Yuan
3
, and Rick 
J. Grant
1
, 
1
William H. Miner Agricultural Research Institute, Chazy, NY, 
2
Vetagro S.p.A, Reggio Emilia, Italy, 
3
Vetagro 
Inc., Chicago, IL.
3:45 PM 
622  
Milk protein yield and plasma concentration of methionine increase in dairy cows fed field peas supplemented 
with rumen-protected amino acids. 
Andre B. D. Pereira*, Andre F. Brito, Kayla M. Aragona, Simone F. Reis, and Kelsey A. Juntwait, University of New 
Hampshire, Durham, NH.
4:00 PM 
623  
Increased pre-wilting increases metabolizable protein concentration in grass-clover silage. 
Marianne Johansen* and Martin R. Weisbjerg, Department of Animal Science, AU Foulum, Aarhus University, Tjele, 
Denmark.
4:15 PM 
624  
Precision-feeding dairy heifers different levels of dietary fiber and high rumen undegradable protein. 
Louisa Bowen*
1
, Ashley Bowyer
1
, Sonya Weeks
1
, Gustavo Lascano
1
, and N. A. Gomez
2
, 
1
Clemson University, Clemson, 
SC, 
2
The California Polytechnic State University, San Luis Obispo, CA.
4:30 PM 
625  
Dietary fiber and crude protein contents can be modified to minimize enteric methane emissions and nitrogen 
excretions from dairy cows simultaneously. 
M. Niu*
1
, J. A. D. R. N. Appuhamy
1
, A. Leytem
2
, R. Dungan
2
, and E. Kebreab
1
, 
1
Department of Animal Science, Univer-
sity of California, Davis, Davis, CA, 
2
USDA-ARS, Northwest Irrigation and Soils Research Lab, Kimberly, ID.
4:45 PM 
626  
The effects of substituting true protein with non-protein nitrogen in Holstein dairy heifers precision-fed different 
forage to concentrate ratios. 
Prabha G. Ranasinghe*
1
, Noe A. Gomez
2
, Krystina Rowland
1
, Ashley Caprio
1
, and Gustavo J. Lascano
1
, 
1
Clemson Uni-
versity, Clemson, SC, 
2
California Polytechnic State University, San Luis Obispo, CA.
Small Ruminant 
General
Chair: Niki Whitley, North Carolina A&T State University 
Suwannee 11/12
2:00 PM 
627  
Use of a staphylococcal vaccine to reduce prevalence of mastitis and lower somatic cell counts in a registered 
Saanen dairy goat herd. 
Felicia Kautz, Stephen Nickerson*, and Lane Ely, University of Georgia.
2:15 PM 
628  
Keeping trends and practices for various exotic, crossbred, and indigenous sheep breeds in sub-tropical highlands 
of Pakistan. 
Muhammad Abdullah*
1
, Muhammad Mudassir
1
, Jalees Ahmed Bhatti
1
, Abu Saeed Hashmi
2
, Nisar Ahmad
1
, and 
Umair Younas
1
, 
1
Department of Livestock Production, University of Veterinary & Animal Sciences, Lahore, Punjab, 
Pakistan, 
2
Department of Biochemistry, Institute of Biochemistry and Biotechnology, Lahore, Punjab, Pakistan.
2:30 PM 
629  
Motility of Boer buck spermatozoa stored fresh for 72 hours. 
Olumide A. Ajao*, Daniel M. Barry, and Kow K. Benyi, University of Venda, Thohoyandou, Limpopo Province, South 
Africa.
2:45 PM 
630  
Salix babylonica as a phytogenic anthelmintic alternative on sheep and goat farms in México. 
A. Z. M. Salem*
1
, M. M. Y. Elghandour
1
, A. E. Kholif
2
, J. C. Vázquez-Chagoyán
1
, R. M. de Oca-Jiménez
1
, A. B. Pliego
1
, 
and T. A. Morsy
2
, 
1
Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Toluca, 
Estado De México, Mexico, 
2
Dairy Science Department, National Research Centre, Giza, Egypt.

196
3:00 PM 
631  
A comparison of ewe colostrum and a colostrum alternative (Volostrum) as a colostrum source for artificially 
reared triplet lambs. 
Tommy M. Boland*
1
, Fiona M. McGovern
1
, Francis P. Campion
1
, and Jessica Cooke
2
, 
1
School of Agriculture and Food 
Science, University College Dublin, Dublin, Ireland, 
2
Volac International Ltd, Orwell, Royston, UK.
3:15 PM 
632  
The relationship of body linear measurements and body weight with real-time ultrasound body composition mea-
surements in Boer x Spanish yearling goats. 
Flavio R. B. Ribeiro*, Louis C. Nuti, Shaye K. Lewis, William B. Foxworth, Yoonsung Jung, Bianca Garza, Brandi Owens, 
Rosemarie Somers, and Gary R. Newton, Cooperative Agricultural Research Center, Prairie View A&M University, 
Prairie View, TX.
3:30 PM 
633  
An investigation in to the interaction between ewe BCS and litter weights at key times of the production cycle. 
Francis P. Campion*
1
, Fiona M. McGovern
1
, Philip Creighton
2
, Alan G. Fahey
1
, and Tommy M. Boland
1
, 
1
University Col-
lege Dublin, Dublin, Ireland, 
2
Teagasc Athenry, Co. Galway, Ireland.
3:45 PM 
634  
Development of a low-density single nucleotide polymorphism panel for prolificacy in sheep. 
Thaisa Lacerda
1
, Harvey Blackburn
2
, Michel Yamagishi
3
, Concepta McManus
1
, Alexandre Caetano
4
, and Samuel 
Paiva*
5,2
, 
1
Universidade de Brasilia, Brasilia, DF, Brazil, 
2
USDA-ARS National Center Genetic Resources Preservation, 
Fort Collins, CO, 
3
Embrpa Informatica Agropecuaria, Campinas, SP, Brazil, 
4
Embrapa Recursos Geneticos e Biotecnolo-
gia, Brasilia, DF, Brazil, 
5
Embrapa Secretaria de Relacoes Internacionais, Brasilia, DF, Brazil.
4:00 PM 
635  
Influence of surgical castration on biochemical profile of rams. 
V. M. Storillo
1
, M. B. R. Alves
1
, E. C. C. Celeghini
1
, B. Barcelos*
2
, D. B. Birgel
2
, V. F. P. Ríspoli
2
, W. C. Garcia
2
, P. S. Silva
2
, 
and E. H. Birgel Junior
2
, 
1
Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo, São Paulo, 
São Paulo, Brazil, 
2
Faculdade de Zootecnia e Engenharia de Alimentos da Universidade de São Paulo, Pirassununga, 
São Paulo, Brazil.
4:15 PM 
636  
Effects of dairy slurry application and bale moisture concentration on voluntary intake and digestibility of alfalfa 
silage by sheep. 
Jessica K. Clark*
1,2
, Bruce C. Shanks
1
, James D. Caldwell
6
, Ken P. Coffey
2
, Wayne K. Coblentz
3
, R. E. Muck
4
, Dirk Phillip
2
, 
M. A. Borchardt
3
, Robert T. Rhein
2
, Ashley N. Young
2
, Marshal D. Basham
2
, W. E. Jokela
3
, Elizabeth A. Backes
2
, Keith A. 
Center
2
, M. G. Bertram
5
, 
1
Lincoln University, Jefferson City, MO, 
2
University of Arkansas, Fayetteville, AR, 
3
USDA-ARS, 
Marshfield, WI, 
4
USDA-ARS, Madison, WI, 
5
University of Wisconsin, Arlington, WI, 
6
Land O’ Lakes.
4:30 PM 
637  
Comparison of delayed weaning and mineral form on lamb growth and parasitism. 
Jefferson McCutcheon*, David Clevenger, Gary Lowe, and Francis Fluharty, The Ohio State University, Columbus, OH.