Conference information and scientific program

partum dominant follicle. 
Diego A. Velasco Acosta*
1,2
, Ines M. Rivelli
2
, Cassandra Skenandore
2
, Daniel Luchini
3
, Marcio Corrêa
1
, and Felipe Cardoso
2
, 
1
Uni-
versidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil, 
2
University of Illinois, Urbana, IL, 
3
Adisseo NA, Alpharetta, GA.
M218  
Effect of yeast culture plus enzymatically hydrolyzed yeast supplementation starting prepartum on acute phase protein 
profiles and reproductive performance in dairy cows. 
Vanessa Oliveira Freitas
1
, Claudia Faccio Demarco
1
, Tatiele Mumbach
1
, Eduardo Gularte Xavier
2
, Raquel Fraga Silva Raimondo
3
, 
Fernanda Medeiros Gonçalves
1
, Francisco Augusto Burkert Del Pino
1
, Viviane Rohrig Rabassa
1
, Sangita Jalukar
4
, Marcio Nunes 
Corrêa
1
, and Cassio 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 & Hammer Animal Nutrition, 
Princeton, NJ.
M219  
Nutritional level of the recipient ewe, but not of the donor, determines the embryo fate when good quality embryos are 
transferred. 
Victoria de Brun*
1
, Ana Meikle
1
, Fernando Forcada
2
, Inmaculada Palacín
2
, Cecilia Sosa
3
, and José Alfonso Abecia
2
, 
1
Laborato-
rio de Técnicas Nucleares, Montevideo, Uruguay, 
2
Departamento de Producción Animal y Ciencia de los Alimentos, Zaragoza, 
Spain, 
3
Departamento de Anatomía Patológica, Medicina Legal y Forense y Toxicología, Zaragoza, Spain.

70
M220  
Evaluation of the hypothalamic kisspeptin system during the attainment of puberty in gilts. 
Eric S. Jolitz*
1
, Waljit S. Dhillo
2
, and Jeffrey A. Clapper
1
, 
1
South Dakota State University, Brookings, SD, 
2
Imperial College, Lon-
don, UK.
M221  
Ovine maternal nutrient restriction from mid to late gestation induces steroid metabolizing enzyme activity in maternal and 
fetal reproductive and liver tissues. 
Megan P. T. Coleson*
1
, Christa L. Gilfeather
1
, Kimberly A. Vonnahme
2
, and Caleb O. Lemley
1
, 
1
Department of Animal and Dairy 
Sciences, Mississippi State University, Mississippi State, MS, 
2
Department of Animal Sciences, North Dakota State University, 
Fargo, ND.
M222  
Effects of maternal nutrient restriction on bovine placentome and miRNA expression during mid-gestation. 
Regina K. Taylor*, Kayla S. Mangrum, Christopher T. LeMaster, Scott L. Pratt, and Nathan M. Long, Clemson University, Clem-
son, South Carolina.
M223  
Maternal overnutrition/obesity (MO) in the ewe has multigenerational metabolic programming effects on adult grand-
daughters (F
2
). 
Megan A. Walton*, John F. Odhiambo, Peter W. Nathanielsz, and Stephen P. Ford, Department of Animal Science, University of 
Wyoming, Laramie, WY.
M224  
Effect of prepartum dam supplementation, creep-feeding and post-weaning diet on age at puberty in Nellore heifers. 
Marcos V. C. Ferraz Junior*
1
, Delci D. Nepomuceno
2,1
, Marcos V. Biehl
2
, Alexandre V. Pires
2,1
, Marcelo H. Santos
1
, Renan G. 
Silva
1
, Vinicius N. Gouvea
1
, Jose R. S. Gonçalves
3
, Thiago S. Andrade
1
, and Michael L. Day
4
, 
1
University of São Paulo, Pirassu-
nunga, São Paulo, Brazil, 
2
University of São Paulo, Piracicaba, São Paulo, Brazil, 
3
Experimental Station Hildegard Georgina Von 
Pritzelwitz, Londrina, Paraná, Brazil, 
4
The Ohio State University, Columbus, OH.
M225  
Effect of prepartum dam supplementation and creep-feeding on age at puberty in Nellore heifers. 
Elizangela M. Moreira
1
, Alexandre V. Pires
2,1
, Delci D. Nepomuceno
2
, Marcos V. C. Ferraz Junior*
1
, Jose A. Faleiro Neto
1
, Marcos 
V. Biehl
2
, Jose R. S. Goncalves
3
, Renan G. Silva
1
, Marcelo H. Santos
1
, Vinicius N. Gouvea
1
, and Michael L. Day
4
, 
1
University of São 
Paulo, Pirassununga, São Paulo, Brazil, 
2
University of São Paulo, Piracicaba, São Paulo, Brazil, 
3
Experimental Station Hildegard 
Georgina Von Pritzelwitz, Londrina, Paraná, Brazil, 
4
The Ohio State University, Columbus, OH.
M226  
Effect of energy supplementation on plasmatic concentration of leptin in pre-pubertal beef heifers. 
Maria Carolina V. Miguel*
1
, Siobhan W. Walsh
2
, Heni F. Costa
1
, Juliana S. Souza
1
, Rafael S. Cipriano
1
, David Giraldo-Arana
1
, 
Marcos Antônio Maioli
1
, Devani M. Pinheiro
1
, Alexander C. Evans
2
, and Guilherme P. Nogueira
1
, 
1
São Paulo State University, 
Araçatuba, SP, Brazil, 
2
University College Dublin, Dublin, Ireland.
M227  
Form of selenium in free-choice mineral mixes affects ovarian production of progesterone but not estradiol in cycling beef 
cows. 
Phillip J. Bridges*
1
, Katheryn L. Cerny
1
, Michelle Rhoads
2
, Leslie H. Anderson
1
, Walter R. Burris
1
, and James C. Matthews
1
, 
1
Uni-
versity of Kentucky, Lexington, KY, 
2
Virginia Polytechnic Institute and State University, Blacksburg, VA.
M228  
Relationship between plasma amino acid profile and ovarian function around the time of ovulation in beef cows. 
Taylor C. Geppert*
1
, Allison M. Meyer
2
, George A. Perry
3
, and Patrick J. Gunn
1
, 
1
Department of Animal Science, Iowa State Uni-
versity, Ames, IA, 
2
Division of Animal Sciences, University of Missouri, Columbia, MO, 
3
Department of Animal Sciences, South 
Dakota State University, Brookings, SD.
M229  
Association between circulating blood or plasma urea nitrogen concentrations and reproductive efficiency in beef heifers 
and cows. 
Patrick J. Gunn*
1
, Allie L. Lundberg
1
, Robert A. Cushman
2
, Harvey C. Freetly
2
, Olivia L. Amundson
3
, Julie A. Walker
3
, and George 
A. Perry
3
, 
1
Department of Animal Science, Iowa State University, Ames, IA, 
2
USDA, ARS, US Meat Animal Research Center, Clay 
Center, NE, 
3
Department of Animal Sciences, South Dakota State University, Brookings, SD.

MONDAY
POSTERS
71
Physiology and Endocrinology 
Estrous synchronization and detection of estrus in cattle
M230  
Efficacy of PGF
2α
 doses to induce luteolysis on day 5, 7, or 9 of estrus cycle in nonlactating Nellore cows. 
Marcos V. Biehl*
1
, Alexandre V. Pires
1,2
, Marcos V. C. Ferraz Junior
2
, Jose R. S. Gonçalves
3
, Anibal B. Nascimento
1
, Marcelo H. 
Santos
2
, Vinicius N. Gouvea
2
, Alexandre A. Miszura
2
, Leandro H. Cruppe
4
, and Michael L. Day
4
, 
1
University of São Paulo, Piraci-
caba, São Paulo, Brazil, 
2
University of São Paulo, Pirassununga, São Paulo, Brazil, 
3
Experimental Station Hildegard Georgina 
Von Pritzelwitz, Londrina, Paraná, Brazil, 
4
The Ohio State University, Columbus, OH.
M231  
Addition of gonadotropin-releasing-hormone treatment at the beginning and/or at the end of an estradiol-based protocol 
for timed artificial insemination in Nelore (Bos indicus) cows. 
Carla Cristian Campos*, Estevão Vieira de Rezende, Mayara Oliveira, Renata de Freitas Ferreira Mohallem, and Ricarda Maria 
dos Santos, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil.
M232  
Using estrus-detection patches to optimally time artificial insemination improved pregnancy rates in suckled beef cows in a 
timed AI program. 
Scott L. Hill*
1
, David M. Grieger
1
, K. C. Olson
1
, John R. Jaeger
1
, Jason K. Ahola
2
, Mariah C. Fischer
2
, Teresa L. Steckler
3
, G. Allen 
Bridges
4
, Jamie A. Larson
5
, Carl R. Dahlen
6
, Sarah R. Underdahl
6
, George A. Perry
7
, William D. Whittier
8
, John F. Currin
8
, Jeffrey 
S. Stevenson
1
, 
1
Kansas State University, Manhattan, KS, 
2
Colorado State University, Fort Collins, CO, 
3
University of Illinois, Dixon 
Springs, IL, 
4
University of Minnesota, Grand Rapids, MN, 
5
Mississippi State University, Mississippi State, MS, 
6
North Dakota 
State University, Fargo, ND, 
7
South Dakota State University, Brookings, SD, 
8
Virginia Tech, Blacksburg, VA.
M233  
Treatment of primiparous lactating dairy cows with GnRH before first insemination during summer heat stress. 
Benjamin E. Voelz*, Lucas Rocha, Filippe Scortegagna, Jeffrey S. Stevenson, and Luís G. D. Mendonça, Department of Animal 
Sciences and Industry, Kansas State University, Manhattan, KS.
M234  
Treatment of multiparous lactating dairy cows with GnRH before first insemination during summer heat stress. 
Benjamin E. Voelz*, Lucas Rocha, Filippe Scortegagna, Jeffrey S. Stevenson, and Luís G. D. Mendonça, Department of Animal 
Sciences and Industry, Kansas State University, Manhattan, KS.
M235  
Presynchronization strategy using prostaglandin F
2α
 and GnRH to improve fertility in a resynchronization program based on 
detection of estrus. 
Lucas S. Rocha, Jeffrey S. Stevenson, and Luís G. D. Mendonça*, Department of Animal Sciences and Industry, Kansas State 
University, Manhattan, KS.
M236  
Progesterone concentration at each treatment during an Ovsynch protocol affects fertility to timed AI in lactating Holstein 
cows. 
P. D. Carvalho*, A. H. Souza, M. C. Wiltbank, and P. M. Fricke, Department of Dairy Science, University of Wisconsin-Madison, 
Madison, WI.
M237  
Timed AI improves reproductive performance and reduces cost per pregnancy in dairy heifers. 
Thiago V. Silva
1
, Fabio S. Lima
2
, William W. Thatcher
1
, and Jose E. P. Santos*
1
, 
1
University of Florida, Gainesville, FL, 
2
University 
of Illinois, Urbana, IL.
M238  
Addition of a second dose of prostaglandin F
2α
 to a fixed-time AI protocol improves fertility of anestrous dairy cows. 
Francisco R. Lopes*, Marcos H. C. Pereira, Anderson K. Munhoz, and José L. M. Vasconcelos, Sao Paulo State University, Botu-
catu, SP, Brazil.
M239  
Effect of a second treatment with prostaglandin F
2α
 during the Ovsynch protocol on pregnancy to the timed AI. 
Fenella Cochrane*
1
, Giovanni M. Baez
2
, Cheryl R. Trayford
1
, Robert T. Joseph
1
, and Milo C. Wiltbank
2
, 
1
Parnell Corporate Ser-
vices US Inc., Overland Park, KS, 
2
University of Wisconsin-Madison, Madison, WI.
M240  
Efficacy of different fixed-time AI protocols using GnRH, estradiol, and progesterone in lactating dairy cows. 
Leonardo F. Melo*
1,2
, Pedro Leopoldo Monteiro
1
, Jessica N. Drum
1
, Ricardo S. Surjus
1
, Milo C. Wiltbank
2
, and Roberto Sartori
1
, 
1
University of São Paulo, Piracicaba, São Paulo, Brazil, 
2
University of Wisconsin-Madison, Madison, WI.
M241  
The use of a modified 5-day CIDR-Cosynch protocol for resynchronization in lactating dairy cows. 
J. A. Spencer*
1
, K. G. Carnahan
1
, B. Shafii
1
, C. Claypool
1
, J. C. Dalton
2
, and A. Ahmadzadeh
1
, 
1
University of Idaho, Moscow, ID, 
2
University of Idaho, Caldwell, ID.
M242  
Assessment of an application for mobile devices developed to evaluate the AI procedure. 
Santiago Bas* and Gustavo M. Schuenemann, Department of Veterinary Preventive Medicine, College of Veterinary Medicine, 
The Ohio State University, Columbus, OH.

72
M243  
Estradiol and GnRH on ovulation induction in crossbred cows estrus synchronized. 
Fabrício Albani Oliveira, Jurandy Mauro Penitente Filho, Erly Luisana Triana Carrascal, Carlos Thiago Oliveira, Adriana Moreira 
Zolini, Italo Augusto da Costa Soares, and Ciro Alexandre Alves Torres*, Federal University of Viçosa, Viçosa, MG, Brazil.
M244  
Effect of estrous synchronization program, season, body condition score and ovarian status on pregnancy rate to fixed-time 
AI in beef cows. 
Federico Randi*
1,2
, Mervyn Parr
2
, Peter Doolan
2
, Michael G. Diskin
2
, Alessio Valenza
3
, Pedro Rodriguez
3
, Pat Lonergan
1
, and 
David A. Kenny
2
, 
1
University College Dublin, Dublin, Ireland, 
2
AGRIC Teagasc Grange, Dunsany, Meath, Ireland, 
3
CEVA Sante 
Animale, Libourne, France.
M245  
Body weight loss of cows early postpartum is associated with negative effects on estrous expression. 
Tracy A. Burnett*, Muhammad A. Khan, Marina A. G. von Keyserlingk, and Ronaldo L. A. Cerri, University of British Columbia, 
Vancouver, BC, Canada.
M246  
Automated detection of estrus using multiple commercial precision dairy farming technologies in synchronized dairy cows. 
L. M. Mayo*, W. J. Silvia, G. Heersche, I. C. Tsai, B. A. Wadsworth, A. E. Stone, and J. M. Bewley, Department of Animal and 
Food Sciences, University of Kentucky, Lexington, KY.
M247  
Using the Draminski Estrous Detector in the dry cow to measure electrical resistance of vaginal mucus as it relates to animal 
factors pre- and postcalving. 
Caitlin L. Widener*, William M. Graves, and Jillian F. Bohlen, University of Georgia, Athens, GA.
M248  
Estrus lying behavior of Holstein cows: Risk factors for estrus expression, ovulation risk and pregnancy per AI. 
Bruna F. Silper*
1
, Augusto M. L. Madureira
2
, Liam B. Polsky
1
, Eraldo L. Drago Filho
2
, José L. M. Vasconcelos
2
, and Ronaldo L. 
A. Cerri
1
, 
1
Faculty of Land and Food Systems, University of British Columbia, Vancouver, BC, Canada, 
2
Faculdade de Medicina 
Veterinária e Zootecnia, UNESP, Botucatu, SP, Brazil.
M249  
Characterization of ovarian function in nonpregnant previously inseminated lactating dairy cows. 
Robert Wijma*, Matias L. Stangaferro, and Julio O. Giordano, Department of Animal Science, Cornell University, Ithaca, NY.
M250  
The effects of ovulatory status of the dominant follicle and spatial relationship of the corpus luteum on diameter and aver-
age growth rate of that dominant follicle. 
Ashleigh M. Muth-Spurlock*, Garrett F. Cline, Caleb O. Lemley, and Jamie E. Larson, Mississippi State University, Mississippi 
State, MS.
Production, Management, and the Environment I
M251  
Canadian dairy producers’ transition to automatic milking systems: preliminary results of a national survey. 
Christina Tse*
1
, Trevor DeVries
2
, Elsa Vasseur
3
, Herman Barkema
1
, and Ed Pajor
1
, 
1
Department of Production Animal Health, 
University of Calgary, Calgary, AB, Canada, 
2
Department of Animal and Poultry Science, University of Guelph, Kemptville, ON, 
Canada, 
3
Organic Dairy Research Centre, University of Guelph, Alfred, ON, Canada.
M252  
A stochastic dairy farm model to evaluate the effect of changes in technical or economic factors on performance and ben-
efits. 
Sergio Calsamiglia*
1
, Susana Astiz
2
, Lorena Castillejos
1
, Carlos Lopez de Toro
1
, and Joaquim Baucells
3
, 
1
Universitat Autonoma de 
Barcelona, Bellaterra, Spain, 
2
INIA, Madrid, Spain, 
3
Centre Veterinari Tona, Tona, Spain.
M253  
Changes in temperature-humidity index and number of hot days related to heat stress of dairy cattle in Thailand. 
Thirarat Sae-tiao
1
, Skorn Koonawootrittriron*
1
, Thanathip Suwanasopee
1
, and Mauricio A. Elzo
2
, 
1
Kasetsart University, Bang-
kok, Thailand, 
2
University of Florida, Gainesville, FL.
M254  
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.
M255  
Reproductive performance of North American dairies by geographic region. 
Cristian F. Vergara*
1,2
, Flavio Bitencourt
1
, Lydia M. Johnson
1
, Diego Vallejo
1
, and Hernando Lopez
1
, 
1
ABS Global Inc., DeForest, 
WI, 
2
ABS Chile Ltda, Santiago, Chile.

MONDAY
POSTERS
73
M256  
Lactation stage alters the rumen protozoal communities in three breeds of primiparous dairy cattle. 
L. M. Cersosimo*
1
, M. Bainbridge
1
, A.-D. G. Wright
2
, and J. Kraft
1
, 
1
University of Vermont, Burlington, VT, 
2
University of Arizona, 
Tucson, AZ.
M257  
Quality of hatching eggs from different broiler breeder ages. 
Vanessa Michalsky Barbosa*
1
, Bruno Delphino Medrado
1,2
, Isabela Cláudia Barbosa Santos
1
, Larissa Kiana Santos Azevedo Mar-
tins
1
, Taís Pinheiro Borges Silva
1
, Tayana Nery Franca
1
, Silvania Belo Dourado
1
, Juliana Cantos Faveri
1
, and Lia Muniz Barretto 
Fernandes
3
, 
1
Department of Animal Science, Faculty of Veterinary Medicine and Animal Science, Federal University of Bahia, 
Salvador, Bahia, Brazil, 
2
Federal Institute of Education, Science and Technology–Santa Inês Campus, Santa Inês, Bahia, Brazil, 
3
Department of Animal Production, Faculty of Veterinary Medicine and Animal Science, Federal University of Bahia, Salvador, 
Bahia, Brazil.
M258  
Effects of turning duration during incubation and broiler breeder age on hatchability, chick organs, and poultry perfor-
mance. 
Vanessa Michalsky Barbosa*
1
, Bruno Delphino Medrado
1,2
, Mariana André Pompeu
3
, Júlia Sampaio Rodrigues Rocha
3
, Edgard 
Onoda Luiz Caldas
3
, Genilson Bezerra Carvalho
4
, Leonardo José Camargos Lara
3
, and Nelson Carneiro Baião
3
, 
1
Department 
of Animal Science, Faculty of Veterinary Medicine and Animal Science, Federal University of Bahia, Salvador, Bahia, Brazil, 
2
Federal Institute of Education, Science and Technology–Santa Inês Campus, Santa Inês, Bahia, Brazil, 
3
Department of Animal 
Science, Veterinary School, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil, 
4
Department of Animal Sci-
ence, Veterinary Medicine and Animal Science School, Federal University of Goiás, Goiânia, Goiás, Brazil.
M259  
Health, milk yield and quality for Parmigiano Reggiano cheese evaluated in cows fed OmniGen-AF from dry-off to 150 days 
in milk. 
Ludovica M. E. Mammi*, Mattia Fustini, Elena Bonfante, Alberto Palmonari, Giorgia Canestrari, and Andrea Formigoni, Depart-
ment of Veterinary Medical Sciences, University of Bologna, Ozzano Emilia, Italy.
M260  
Body weight gain of dairy heifers fed diets with Origanum vulgare or Camellia sinensis extracts. 
Vivian Fischer*
1
, Giovani Jacob Kolling
1
, Débora Strider
1
, Dejani Maira Panazzolo
1
, Carolina da Silva dos Santos
1
, Alexandre 
Mossate Gabbi
1
, Mateus Wanderer
1
, Andress Sopelsa
1
, and Renata Wolf Sune Martins da Silva
2
, 
1
Universidade Federal do Rio 
Grande do Sul, Porto Alegre, RS, Brazil, 
2
Empresa Brasileira de Pesquisa Agropecuária, Bagé, RS, Brazil.
M261