Conference information and scientific program

Casein and exopolysaccharide degrading activities of Bacillus strains isolated from the dairy environment. 
Dipakkumar Mehta*
1
, Hasmukh Patel
1
, Ashraf Hassan
2
, and Brandon Nelson
2
, 
1
South Dakota State University, Brookings, SD, 
2
Daisy Brand, Garland, TX.
T196  
Chemosensory analysis of light-emitting diode and fluorescent light on fluid milk volatiles. 
Kemia N. Amin*, Maria A. Hadley, Susan E. Duncan, and Kumar Mallikarjunan, Virginia Polytechnic Institute State University, 
Blacksburg, VA.
T197  
Inactivation of thermoduric bacterial endospores in milk by combined effect of cavitation and thermal treatment. 
Dikshi Bawa*, Sanjeev Anand, Harsh Dahiya, and Hasmukh Patel, South Dakota State University, Brookings, SD.
Graduate Student Competition 
ADSA Production Division Graduate Student Poster Competition, PhD
Chair: Jeffrey Firkins, The Ohio State University
T198  
Effects of estrus number on milk yield and estrus expression in Holstein cows managed for extended lactation. 
Charlotte Gaillard*, Mogens Vestergaard, and Jakob Sehested, Aarhus University, Foulum, Tjele, Denmark.

TUESDAY
POSTERS
141
T199  
Effects of canola meal as a source of rumen-undegraded protein on ruminal fermentation using a dual-flow continuous-
culture system. 
Eduardo Marostegan de Paula*
1
, Lorrayny Galoro da Silva
1
, Pedro Del Bianco Benedeti
1,2
, Hugo Monteiro
1,3
, Yenling Yeh
1
, 
Teshome Shenkoru
1
, Glen A. Broderick
4
, and Antonio Faciola
1
, 
1
University of Nevada, Reno, NV, 
2
Federal University of Viçosa, 
Viçosa, MG, Brazil, 
3
Maringa State University, Maringa, PR, Brazil, 
4
Broderick Nutrition & Research, Madison, WI.
T200  
Comparison of lying times of lame versus sound dairy cattle using a leg-based accelerometer. 
Barbara A. Wadsworth*, Lauren M. Mayo, Nicky I. Tsai, Amanda E. Stone, Denise L. Ray, Joey D. Clark, and Jeffrey M. Bewley, 
University of Kentucky, Lexington, KY.
T201  
Survey of management of reproduction on Canadian dairy farms. 
José Denis-Robichaud*
1
, Ronaldo L. A. Cerri
2
, Andria Jones-Bitton
1
, and Stephen J. LeBlanc
1
, 
1
Department of Population Medi-
cine, University of Guelph, Guelph, ON, Canada, 
2
Faculty of Land and Food Systems, University of British Columbia, Vancouver, 
BC, Canada.
T202  
Lactational performance of early lactation, high-producing dairy cows fed corn silage produced by different seed corn hy-
brids. 
Ishwary Acharya*
1
, Mark Kirk
2
, and David Casper
1
, 
1
Dairy Science Department, South Dakota State University, Brookings, SD, 
2
Masters Choice, Anna, IL.
T203  
Nitrogen utilization and growth effects in Holstein dairy calves fed a moderately high protein or conventional milk replacer. 
Colleen E. Chapman*
1
, Thelton M. Hill
2
, and Peter S. Erickson
1
, 
1
University of New Hampshire, Durham, NH, 
2
Provimi North 
America, Brookville, OH.
T204  
Blood calcium changes after prophylactic subcutaneous treatment with calcium. 
Cynthia L. Miltenburg*, Elizabeth Scholtz, Dorothee Bienzle, Todd F. Duffield, and Stephen J. LeBlanc, University of Guelph, 
Guelph, ON, Canada.
T205  
Moved to Ruminant Nutrition: General II (page 161)
T206  
Quantification of select ruminal bacterial in Holstein bull calves treated with daily oral sodium bicarbonate. 
Taylor T. Yohe*
1,2
, Rene R. Delgado-Peraza
1
, Hannah L. M. Tucker
1,2
, and Kristy M. Daniels
1,2
, 
1
The Ohio State University, OARDC, 
Wooster, OH, 
2
Virginia Tech, Blacksburg, VA.
T207  
Cost of days open equations accounting for variable market and dairy herd conditions. 
Karmella A. Dolecheck* and Jeffrey M. Bewley, University of Kentucky, Lexington, KY.
T208  
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.
T209  
Distribution of quarter-level SCC across the dry and early post-partum period. 
Stephanie A. Metzger*, Laura L. Hernandez, and Pamela L. Ruegg, University of Wisconsin, Madison, WI.
T210  
Protein nutrient supply and feed milk value of two newly developed genotypes of transgenic alfalfa compared with non-
transgenic alfalfa in dairy cattle. 
Xinxin Li*
1,2
, Yonggen Zhang
2
, and Peiqiang Yu
1
, 
1
Department of Animal and Poultry Science, University of Saskatchewan, Saska-
toon, Saskatchewan, Canada, 
2
College of Animal Science and Technology, Northeast Agricultural University, Harbin, China.
T211  
Probiotic Enterococcus faecium increased the propionate and total volatile fatty acids on in vitro rumen fermentation. 
Lovelia L. Mamuad, Ashraf A. Biswas, and Sang Suk Lee*, Sunchon National University, Suncheon, Jeonnam, South Korea.
T212  
Effects of replacing soybean meal with canola meal or treated canola meal on performance of lactating dairy cows. 
E. M. Paula*
1
, M. A. C. Danes
2
, N. E. Lobos
2
, G. I. Zanton
3
, G. A. Broderick
4
, and A. Faciola
1
, 
1
University of Nevada, Reno, NV, 
2
University of Wisconsin, Madison, WI, 
3
USDA-Agricultural Research Service, US Dairy Forage Research Center, Madison, WI, 
4
Broderick Nutrition & Research, Madison, WI.
T213  
Transport of a fluorescent analog of glucose (2-NBDG) by rumen bacteria. 
Junyi Tao*, Rebecca K. Diaz, and Timothy J. Hackmann, University of Florida, Gainesville, FL.
T214  
Characteristics of dairy cows with a greater or lower risk of subacute rumen acidosis: Volatile fatty acid absorption, rumen 
digestion kinetics and consistency of the risk. 
Xiaosheng Gao* and Masahito Oba, University of Alberta, Edmonton, AB, Canada.

142
T215  
Systems nutrition in dairy cattle: Integrating hepatic metabolomics and transcriptomics in late pregnancy to better under-
stand postpartal ketosis. 
Khuram Shahzad*
1
, Johan Osorio
2
, Daniel Luchini
3
, and Juan J. Loor
1
, 
1
University of Illinois, Urbana, IL, 
2
Oregon State University, 
Corvallis, OR, 
3
Adisseo NA, Alpharetta, GA.
T216  
Laboratory validation of a prototype cow-side instrument for the measurement of blood ionized calcium concentrations in 
dairy cattle. 
Rafael C. Neves*, Tracy Stokol, and Jessica A. A. McArt, Department of Population Medicine and Diagnostic Sciences, Cornell 
University, Ithaca, NY.
T217  
Validation of a hand-held meter for measuring β-hydroxybutyrate in plasma and serum of dairy cows. 
Arnulfo Pineda* and Felipe C. Cardoso, University of Illinois, Urbana, IL.
T218  
Effects of feeding calcium hydroxide-treated corn stover on milk production and milk composition in lactating Holstein 
cows. 
Brittany A. Casperson*
1
, Aimee E. Wert-Lutz
2
, and Shawn S. Donkin
1
, 
1
Purdue University, West Lafayette, IN, 
2
ADM Alliance 
Nutrition, Quincy, IL.
T219  
Increased stocking density at the feed bunk may affect the welfare and productivity of dairy cows and growth of their heifer 
calves. 
Jessica A. Pempek*, Maurice L. Eastridge, Kathryn L. Proudfoot, Gregory G. Habing, Lohendy M. Muñoz Vargas, and Danielle N. 
Coleman, The Ohio State University, Columbus, OH.
T220  
Unraveling the mechanisms that regulate activation of β-defensin antimicrobial peptide responses in cattle. 
Mercedes F. Kweh*, Kathryn E. Merriman, and Corwin D. Nelson, University of Florida, Gainesville, FL.
T221  
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.
T222  
Milk yield at dry-off and other factors affecting risk of intramammary infections at calving. 
Paige N. Gott*
1
, Päivi J. Rajala-Schultz
1
, Gustavo M. Schuenemann
1
, and Joseph S. Hogan
2
, 
1
The Ohio State University, Colum-
bus, OH, 
2
The Ohio State University, Wooster, OH.
Growth and Development I
T223  
Exogenous estradiol decreases relative endometrial gene expression for ERα and ERβ in pre-pubertal dairy heifers. 
Chelsee T.L. Holloway*
1
, Adam J. Geiger
1
, Jennifer Malkus
1
, Alan D. Ealy
2
, Rebecca R. Cockrum
1
, and R. Miichael Akers
1
, 
1
Virginia 
Polytechnic Institute and State University, Department of Dairy Science, Blacksburg, VA, 
2
Virginia Polytechnic Institute and State 
University, Department of Animal and Poultry Sciences, Blacksburg, VA.
T224  
Plane of nutrition affects muscle fiber hypertrophy and satellite cell activity in neonatal bull calves. 
Jennifer S. Bradley*, Meghan E. MacGhee, Sarah R. McCoski, Amanda M. Reeg, Alan D. Ealy, and Sally E. Johnson, Virginia 
Polytechnic Institute and State University, Blacksburg, VA.
T225  
Effects of heat-treatment of colostrum on absorption and gut development in neonatal bull calves during the first 12 hours 
of life. 
Coral Kent-Dennis
1
 and Thomas McFadden*
2
, 
1
University of Alberta, Edmonton, AB, Canada, 
2
University of Missouri, Columbia, 
MO.
T226  
Direct-fed microbial efficacy and milk plan: Effect on heifer growth in an automated feeding system. 
Melissa C. Cornett* and Amy L. Stanton, University of Wisconsin-Madison, Madison, WI.
T227  
Anti-oxidative status and inflammatory response in neonatal calves fed quercetin with or without colostrum. 
Harald M. Hammon*
1
, Jeannine Gruse
1
, Manfred Mielenz
1
, and Siegfried Wolffram
2
, 
1
Leibniz Institute for Farm Animal Biology 
(FBN), Dummerstorf, Germany, 
2
Christian Albrechts University, Kiel, Germany.

TUESDAY
POSTERS
143
T228  
Effect of milk aroma flavor on starter consumption, growth, and feed conversion in female Holstein calves. 
Yaqi Wu, Yanliang Bi, Shengli Li*, Yajing Wang, and Zhijun Cao, College of Animal Science and Technology, China Agriculture 
University, Beijing, China.
T229  
Caloric restriction reduces protein accretion in skeletal muscle by attenuating IGF-I signaling in young calves. 
Yue Lu
1
, Jennifer S. Bradley
1
, Sarah R. McCoski
1
, John M. Gonzalez
2
, Adam J. Geiger
1
, R. Michael Akers
1
, Alan D. Ealy
1
, and Sally 
E. Johnson*
1
, 
1
Virginia Polytechnic Institute and State University, Blacksburg, VA, 
2
Kansas State University, Manhattan, KS.
T230  
Use of ultrasound for assessment of muscle area and depth in postmortem preweaned Holstein calves. 
Jessica H. Davis*
1
, Heidi A. Rossow
1
, and Chris M. Barker
2
, 
1
Veterinary Medicine Teaching and Research Center, University of 
California, Davis, Tulare, CA, 
2
Center for Vectorborne Diseases, University of California, Davis, Davis, CA.
T231  
Increasing the metabolizable protein supply enhanced growth performance and humoral immune response of precondition-
ing beef steers. 
Philipe Moriel
1
, Luis Felipe Arelaro*
1
, Matt Poore
2
, Rodrigo Marques
3
, and Reinaldo Cooke
3
, 
1
North Carolina State University, 
Waynesville, NC, 
2
North Carolina State University, Raleigh, NC, 
3
Oregon State University, Burns, OR.
T232  
Characterization of key factors constraining lamb survival in marginal environments. 
Francisco A. Sales*
1
, Sue A. McCoard
2
, and Raúl J. Lira
1
, 
1
Instituto de Investigaciones Agropecuarias, Punta Arenas, Chile, 
2
AgResearch, Palmerston North, New Zealand.
Horse Species
T233  
Velocity-related changes in stride variables of the intermediate gait of the Irish Draught horse of North America. 
Molly Nicodemus*
1
, Rachel Fletcher
1
, and Jeannette Beranger
2
, 
1
Mississippi State University, Mississippi State, MS, 
2
Livestock 
Conservancy, Pittsboro, NC.
T234  
Influence of fibrolytic enzymes and yeast addition in horse’s diet on digestibility, blood chemistry and fecal coliform. 
M. M. Y. Elghandour
1
, A. E. Kholif
2
, A. Z. M. Salem*
1
, J. C. Vázquez Chagoyán
1
, J. S. Martínez Castañeda
1
, L. M. Camacho
3
, R. 
Montes de Oca
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, 
3
Unidad Académica de 
Medicina Veterinaria y Zootecnia, Universidad Autónoma de Guerrero, Altamirano, México.
T235  
Changes in salivary IgA and nasopharyngeal leukocyte populations in response to prolonged head elevation. 
Jill M. Bobel*, Megan R. Di-Lernia, Jeffrey R. Abbott, Maureen T. Long, and Lori K. Warren, University of Florida, Gainesville, FL.
T236  
Utilization of the equine SNP 70 beadchip in monitoring inbreeding and describing the genetic background in an Arab horse 
herd. 
Mohammed Al Abri*
1
, Samantha Brooks
2
, and König von Borstel
3
, 
1
Cornell University, Ithaca, NY, 
2
University of Florida, Gaines-
ville, FL, 
3
Göttingen University, Göttingen, Germany.
T237  
Evaluation of single nucleotide polymorphisms effects on injury predisposition in a population of multi-discipline athleti-
cally trained horses. 
Sarah Mercer
1
, Neely Walker
2
, and Matthew Garcia*
1,2
, 
1
Louisiana State University, Baton Rouge, LA, 
2
LSU AgCenter, Baton 
Rouge, LA.
T238  
Effect of oil supplementation on milk IgG, serum insulin, glucose, placental efficiency, and immune status of foals. 
Lauren B. Hodge*, Brian J. Rude, Caleb O. Lemley, and Toree L. Bova, Mississippi State University, Starkville, MS.
T239  
Testis tissue explant culture supports the viability of equine spermatogonial stem cells. 
Kyle C. Caires*
1
, Louie Y. Chen
2
, Rachel A. Lemcke
1
, and Laurie A. Seigler
1
, 
1
Berry College, Department of Animal Sciences, 
Mount Berry, GA, 
2
RDBL, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle 
Park, NC.
T240  
Valerenic acid detection in equine urine after administration of calming supplement. 
Celina M. Checura*
1
, Nikki McGreevey
1
, Travis J. De Wolfe
1
, Simon F. Peek
1
, Greg A. Barrett-Wilt
1
, Richard G. Godbee
2
, and 
Benjamin J. Darien
1
, 
1
University WI-Madison, Madison, WI, 
2
Central Garden & Pet, Phoenix, AZ.

144
T241  
Influence of α-linolenic acid supplementation in mature horses at maintenance: Body composition. 
Jessica L. Leatherwood*
1
, Emily D. Lamprecht
2
, Mark J. Anderson
1
, Kyle J. Stutts
1
, Marcy M. Beverly
1
, and Stanley F. Kelley
1
, 
1
Sam Houston State University, Huntsville, TX, 
2
Cargill Incorporated, Elk River, MN.
T242  
In vitro evaluation of protein content on forage digestion using equine fecal inocula. 
Tayler L. Hansen*, Brooke M. Eubanks, Emily K. Rizzo, and Lori K. Warren, University of Florida, Gainesville, FL.
T243  
Changes in plasma calcium and phosphorus concentrations in mares fed decreasing amounts of dietary Ca and P just prior 
to weaning. 
Ashley L. Fowler*, Brittany E. Harlow, Morgan B. Pyles, Susan H. Hayes, Andrea D. Crum, and Laurie M. Lawrence, University of 
Kentucky, Lexington, KY.
T244  
Relationship between training difficulty and aggression in horses. 
M. J. Anderson*, J. L. Leatherwood, K. Jones, K. J. Stutts, M. M. Beverly, and S. F. Kelley, Sam Houston State University, Hunts-
ville, TX.
T245  
The occurrence of different mycotoxins (aflatoxins, fumonisins, zearalnenone, ochratoxin, deoxynivalenol, ergot alkaloids) 
in horse feed. 
Nicole Reisinger*
1
, Paula Kovalsky
2
, Verena Starkl
2
, Simone Schaumberger
2
, Michael Sulyok
3
, and Ursula Hofstetter
2
, 
1
Biomin 
Research Center, Tulln, Austria, 
2
Biomin Holding GmbH, Herzogenburg, Austria, 
3
Center for Analytical Chemistry, Department 
for Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences (BOKU), Tulln, Austria.
T246  
Effectiveness of a brewer’s yeast supplement with or without fat for performance horses. 
Jeneva R. Seidl*
1
, Toree L. Bova
1
, J. Latham Brister
1
, Lauren B. Hodge
1
, Angela R. Mays
2
, and Brian J. Rude
1
, 
1
Mississippi State 
University, Starkville, MS, 
2
F.L. Emmert Company, Cincinnati, OH.
T247  
Effectiveness of a brewer’s yeast supplement with or without fat for weanling horses. 
J. Latham Brister*
1
, Toree L. Bova
1
, Jeneva R. Seidl
1
, Lauren B. Hodge
1
, Angela R. Mays
2
, and Brian J. Rude
1
, 
1
Mississippi State 
University, Starkville, MS, 
2
F.L. Emmert Company, Cincinnati, OH.
International Animal Agriculture
T248  
Proposal for standard methods and procedure for guinea pig carcass evaluation, jointing, and tissue separation. 
Davinia Sánchez-Macías*
1
, Noemi Castro
2
, Miguel Rivero
3
, Anastasio Argüello
2
, and Antonio Morales-delaNuez
4
, 
1
Department 
of Agroindustrial Engineering, Universidad Nacional de Chimborazo, Riobamba, Chimborazo, Ecuador, 
2
Animal Science Depart-
ment, Universidad de Las Palmas de Gran Canaria, Arucas, Las Palmas, Spain, 
3
Department of Veterinary Histology and Pathol-
ogy, Universidad de Las Palmas de Gran Canaria, Arucas, Las Palmas, Spain, 
4
Facultad de Ciencia Pecuarias, Escuela Superior 
Politécnica de Chimborazo, Riobamba, Chimborazo, Ecuador.
T249  
Cow-calf production performance under different management systems in Thailand. 
Jirayut Khemsawat
1
, Skorn Koonawootrittriron*
1
, Thanathip Suwanasopee
1
, and Mauricio A. Elzo
2
, 
1
Kasetsart University, Bang-
kok, Thailand, 
2
University of Florida, Gainesville, FL.
T250  
Chemical composition, physical parameters and cholesterol status of fertile and unfertile eggs from chicken and quail birds. 
Patience Olusola Fakolade*, Osun State University, Ejigbo, Osun State, Nigeria.
T251  
Correlation between the guinea pig tissue composition and carcass measurements. 
Iván Barba
1
, Lida Barba*
1,2
, César Hernández
1
, Julio Palmay
1
, Nibaldo Rodríguez
2
, and Davinia Sánchez Macías
1
, 
1
Department 
of Agroindustrial Engineering. Universidad Nacional de Chimborazo, Riobamba, Chimborazo, Ecuador, 
2
School of Informatics 
Engineering. Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile.
T252  
Prediction of guinea pig carcass tissue composition from weight and linear normalized measurements. 
Lida Barba*
1,2
, Iván Barba
1
, Julio Palmay
1
, César Hernández
1
, Nibaldo Rodríguez
2
, and Davinia Sánchez Macías
1
, 
1
Department 
of Agroindustrial Engineering. Universidad Nacional de Chimborazo, Riobamba, Chimborazo, Ecuador, 
2
School of Informatics 
Engineering. Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile.