Conference information and scientific program

Feeding microalgae meal (Schizochytrium limacinum CCAP 4087/2) to finishing cattle II: Effects on Longissimus 
lumborum fatty acid profile and meat quality. 
Kelsey J. Phelps*
1
, John M. Gonzalez
1
, Christian A. Alvarado-Gilis
1
, Derris D. Burnett
1
, Mathew A. Vaughn
1
, Sara M. 
Ebarb
1
, Caleb P. Weiss
1
, Cadra L. Van-Bibber Krueger
1
, Justin E. Axman
1
, Kate A. Jacques
2
, and James S. Drouillard
1
, 
1
Kansas State University, Manhattan, KS, 
2
Alltech Inc., Nicholasville, KY.

102
10:30 AM 
106  
Intratesticular injection of zinc solution effectively castrates male pigs without affecting pork quality. 
Jason K. Apple*
1
, Tsung-Cheng Tsai
1
, Hae-Jin Kim
1
, Min Wang
2
, Brian P. Corbett
2
, Tim M. Johnson
1
, and Charles V. 
Maxwell
1
, 
1
Department of Animal Science, University of Arkansas Division of Agriculture, Fayetteville, AR, 
2
Ark Science 
Inc., Irvington, NY.
10:45 AM 
107  
Prediction of red meat yield and trimmable fat yield from beef carcasses utilizing bioelectrical impedance analysis. 
Angela N. Schmitz*
1
, Lee-Anne J. Walter
1
, Wade T. Nichols
2
, John P. Hutcheson
2
, and Ty E. Lawrence
1
, 
1
West Texas 
A&M University, Canyon, TX, 
2
Merck Animal Health, Summit, NJ.
11:00 AM 
108  
Dietary lysine affected the expression of genes related to lipid metabolism in skeletal muscle of finishing pigs. 
Taiji Wang*, Naresh Regmi, Jean M. Feugang, Mark A. Crenshaw, John R. Blanton, and Shengfa F. Liao, Department of 
Animal and Dairy Sciences, Mississippi State University, Mississippi State, MS.
11:15 AM 
109  
Transcriptomic and metabolomic assessment of growth promoter effects on porcine muscle growth. 
John Brameld*
1
, Kevin Ryan
1
, Hannah Williams
1
, Doug Harris
2
, David Brown
1
, Richard Emes
1
, Tom Giles
1
, Chungui Lu
1
, 
Charlie Hodgman
1
, and Tim Parr
1
, 
1
University of Nottingham, Nottingham, UK, 
2
Zoetis, Kalamazoo, MI.
11:30 AM 
110  
Molecular factors underlying the discrepancy of marbling between Nellore and Angus beef. 
Taiane Martins
1
, Walmir Silva
1
, Letícia Sanglard
1
, Ivan Carvalho Filho
1
, Ygor Cassani
1
, Nick Serão
2
, Mario Chizzotti
1
, 
Marcio Ladeira
3
, and Marcio Duarte*
1
, 
1
Federal University of Vicosa, Vicosa, MG, Brazil, 
2
Iowa State University, Ames, 
IA, 
3
Federal University of Lavras, Lavras, MG, Brazil.
11:45 AM 
111  
Effect of rearing system on meat quality, lipid, and amino acid profiles of lambs. 
Jian-min Chai
1
, Hai-chao Wang
1
, Qi-yu Diao
1
, Kai-dong Deng
2
, Yan Tu
1
, Min-li Qi
1
, and Nai-feng Zhang*
1
, 
1
Feed Re-
search Institute of Chinese Academy of Agricultural Sciences, Key Laboratory of Feed Biotechnology of the Ministry of 
Agriculture, Beijing, China, 
2
College of Animal Science, Jinling Institute of Technology, Nanjing, Jiangsu, China.
12:00 PM 
112  
The effects of growth-promoting agents on ovine metabolism and growth. 
Shaker Al-Doski*
1
, Tim Parr
1
, Krystal Hemmings
3
, Zoe Daniel
1
, David Brown
1
, Doug Harris
2
, Chungui Lu
1
, Charlie Hodg-
man
1
, Sean May
1
, and John Brameld
1
, 
1
University of Nottingham, Nottingham, UK, 
2
Zoetis, Kalamazoo, MI, 
3
University 
of Derby, Derby, UK.
Nonruminant Nutrition 
Enzymes and processing
Chair: Joshua Jendza, BASF 
Sebastian I-4
9:30 AM 
113  
Comparative efficacy of xylanases on energy and nutrient digestibility in growing pigs fed corn- or wheat-based 
diets. 
Elijah Kiarie*
1,2
, Luis F. Romero
1
, Susan Arent
3
, Rikke Lorentsen
3
, and Hans H. Stein
4
, 
1
DuPont Industrial Biosciences-
Danisco Animal Nutrition, Marlborough, Wiltshire, UK, 
2
Department of Animal Science, University of Manitoba, 
Winnipeg, MB, Canada, 
3
DuPont Nutrition Biosciences–Enzyme Research & Development, Brabrand, Arhus, Denmark, 
4
Department of Animal Sciences, University of Illinois, Urbana, IL.
9:45 AM 
114  
Effects of supplemental xylanase on digesta viscosity, gut health, and growth performance of nursery pigs. 
Hongyu Chen*
1
, Rafael Cabrera
2
, and Sung Woo Kim
1
, 
1
North Carolina State University, Raleigh, NC, 
2
Huvepharma 
Inc., Peachtree City, GA.
10:00 AM 
115  
Effects of supplemental xylanase on growth, gut health, and ileal nutrient digestibility in nursery pigs fed corn-
soybean meal-based diets with two dietary energy levels. 
I. Park*
1
, H. Chen
1
, J. Tyus
2
, J. J. Wang
2
, and S. W. Kim
1
, 
1
North Carolina State University, Raleigh, NC, 
2
BioResource 
International Inc., Durham, NC.
10:15 AM 
116  
Porcine in vitro digestion and fermentation characteristics of wheat and wheat millrun without or with xylanase 
and β-glucanase blend. 
Tofuko A. Woyengo*
1,2
, Elijah Kiarie
3,4
, and Ruurd T. Zijlstra
1
, 
1
University of Alberta, Edmonton, AB, Canada, 
2
South 
Dakota State University, Brookings, SD, 
3
Danisco Animal Nutrition-DuPont Industrial Biosciences, Waukesha, WI, 
4
Uni-
versity of Manitoba, Winnipeg, MB, Canada.

MONDAY
ORALS
103
10:30 AM 
117  
Supplemental effects of β-mannanase on growth performance, ileal nutrient digestibility, and gut health of nurs-
ery pigs. 
Hongyu Chen*, Inkyung Park, Shihai Zhang, and Sung Woo Kim, North Carolina State University, Raleigh, NC.
10:45 AM 
118  
Effect of superdosing two sources and two levels of phytases on pig performance when supplemented to commer-
cial nursery diets. 
Chris Sparks*
1
, Rafael A. Cabrera
1
, Gene Gourley
2
, and Emily Weber
2
, 
1
Huvepharma US Inc., Peachtree City, GA, 
2
Gourley Research Group LLC, Webster City, IA.
11:00 AM 
119  
Effects of superdosing of microbial phytase in diets for weanling pigs. 
T. D. Crenshaw*
1
, O. Adeola
2
, M. J. Azain
3
, S. K. Baidoo
4
, S. D. Carter
5
, G. M. Hill
6
, S. W. Kim
7
, P. S. Miller
8
, M. C. Shan-
non
9
, and H. H. Stein
10
, 
1
University of Wisconsin, Madison, WI, 
2
Purdue University, Lafayette, IN, 
3
University of Geor-
gia, Athens, GA, 
4
University of Minnesota, Minneapolis, MN, 
5
Oklahoma State University, Stillwater, OK, 
6
Michigan 
State University, East Lansing, MI, 
7
North Carolina State University, Raleigh, NC, 
8
University of Nebraska, Lincoln, NE, 
9
University of Missouri, Columbia, MO, 
10
University of Illinois, Urbana-Champaign, IL.
11:15 AM 
120  
Effect of water-to-feed ratio on the digestibility of diets fed to growing-finishing pigs. 
Cinta Sol*, Lorena Castillejos, Ramon Muns, and Josep Gasa, Animal Nutrition and Welfare Service, Department of 
Animal and Food Sciences, Universitat Autònoma de Barcelona, Bellaterra, Spain.
11:30 AM 
121  
Effects of pelleting and extrusion on energy digestibility in pig diets containing different levels of fiber. 
Oscar J. Rojas*
1
, Ester Vinyeta
2
, and Hans H. Stein
1
, 
1
University of Illinois, Urbana, IL, 
2
Bühler AG, Uzwil, Switzerland.
11:45 AM 
122  
Mix time does not affect growth performance in finishing pigs fed meal and pelleted diets with high inclusion 
(32% DDGS and 32% wheat midds) of alternative ingredients. 
Megan E. Morts*, Joe D. Hancock, C. Greg Aldrich, Charles R. Stark, Joel D. McAtee, and Kayla L. Kohake, Kansas 
State University, Manhattan, KS.
12:00 PM 
123  
Effect of sieving methodology on determining particle size of ground corn, sorghum, and wheat by sieving. 
Julie R. Kalivoda*, Cassandra K. Jones, and Charles R. Stark, Kansas State University, Manhattan, KS.
Physiology and Endocrinology 
Reproduction and estrous synchronization
Chair: Alexandre Souza, Ceva Saúde Animal Brazil 
Panzacola H-4
9:30 AM 
124  
Characterization of endometrial immune cells adjustments along pregnancy in the cow. 
Ana Carolina Furlanetto Mançanares
1
, Gabriela de Paula Figueiredo
2
, Rodrigo da Silva Nunes Barreto
1
, Daniele dos 
Santos Martins
2
, Flávio Vieira Meirelles
2,1
, and Lilian J. Oliveira*
1
, 
1
Faculdade de Medicina Veterinária e Zootecnia, 
Universidade de São Paulo, Pirassununga, SP, Brazil, 
2
Faculdade de Zootecnia e Engenharia de Alimentos, São Paulo, 
SP, Brazil.
9:45 AM 
125  
Expression of nonclassical MHC-I isoforms is deregulated in cloned placenta. 
Rodrigo Silva Nunes Barreto
1
, Felipe Perecin
2
, Flávio Vieira Meirelles
2
, Flávia Thomaz Verechia Pereira
3
, Maria Angel-
ica Miglino
1
, and Lilian J. Oliveira*
1
, 
1
Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São 
Paulo, SP, Brazil, 
2
Faculdade de Zootecnia e Engenharia de Alimentos, Pirassununga, SP, Brazil, 
3
Campus Experimental 
de Dracena, Universidade Estadual Paulista, Dracena, SP, Brazil.
10:00 AM 
126  
Behavioral and hormonal pattern around estrus and the characteristics of preovulatory follicles of repeat breeder 
dairy cows. 
Uzi Moallem*
1
, Maya Zachut
1
, and Pankaj Sood
1,2
, 
1
Department of Ruminants Science, Volcani Center, Bet Dagan, 
Israel, 
2
Department of Veterinary Gynecology and Obstetrics, Palampur, India.
10:15 AM 
127  
Effects of dry period length on onset of ovarian activity and ovarian cyclicity in the subsequent lactation. 
Juncai Chen*
1
, Nicoline M. Soede
1
, Gerrit J. Remmelink
2
, Bas Kemp
1
, and Ariette T. M. Van Knegsel
1
, 
1
Adaptation 
Physiology Group, Wageningen University, Wageningen, the Netherlands, 
2
Livestock Research, Wageningen Univer-
sity and Research Centre, Wageningen, the Netherlands.

104
10:30 AM 
128  
Effect of extending the duration of the postpartum voluntary waiting period on reproductive performance of 
lactating dairy cows. 
Matias L. Stangaferro*
1
, Robert Wijma
1
, Magdalena Masello
1
, Mark J. Thomas
2
, and Julio O. Giordano
1
, 
1
Department 
of Animal Science, Cornell University, Ithaca, NY, 
2
Dairy Health & Management Services, Lowville, NY.
10:45 AM 
129  
Cows under heat stress have increased uterine size, reduced circulating progesterone, and decreased fertility com-
pared with cows in cooler conditions. 
Giovanni M. Baez*
1,2
, Rafael V. Barletta
1
, Eduardo Trevisol
1
, Jerry N. Guenther
1
, João P. Ferreira
3
, and Milo C. Wilt-
bank
1
, 
1
University of Wisconsin-Madison, Madison, WI, 
2
Universidad Francisco de Paula Santander, Cucuta, NS, 
Colombia, 
3
São Paulo State University, Botucatu, SP, Brazil.
11:00 AM 
130  
Effect of heat stress during pregnancy on intact and adrenal de-medullated fetuses: Placental, fetal, and mammary 
development in ewes. 
Antoni Macko*, Sean Limesand, and Robert Collier, University of Arizona, Tucson, AZ.
11:15 AM 
131  
Timing of GnRH administration based on estrous response in beef heifers following administration of the 14-d 
CIDR-PG protocol with split-time AI. 
Brianne E. Bishop*, Jordan M. Thomas, Jillian M. Abel, Mark R. Ellersieck, Scott E. Poock, Michael F. Smith, and David 
J. Patterson, University of Missouri, Columbia, MO.
11:30 AM 
132  
Timing of GnRH administration based on estrous response in beef cows following administration of the 7-d CO-
Synch + CIDR protocol with split-time AI. 
Brianne E. Bishop*, Jordan M. Thomas, Jillian M. Abel, Mark R. Ellersieck, Scott E. Poock, Michael F. Smith, and David 
J. Patterson, University of Missouri, Columbia, MO.
11:45 AM 
133  
Influence of estrus expression prior to fixed-time AI on embryo survival to maternal recognition of pregnancy. 
Emmalee J. Northrop*
1
, Olivia L. Amundson
1
, Brittany N. Richardson
1
, Anthony K. McNeel
2
, Robert A. Cushman
2
, 
and George A. Perry
1
, 
1
Department of Animal Sciences, South Dakota State University, Brookings, SD, 
2
USDA-ARS, US 
Meat Animal Research Center, Clay Center, NE.
12:00 PM 
134  
Post insemination interventions: Effect of human chorionic gonadotropin, gonadotropin-releasing hormone, and 
progesterone on ovulation and conception rates in Nili-Ravi buffaloes. 
Ali Husnain, Umair Riaz, Muhammad Ilyas Naveed, Mubbashar Hassan, Mian Abdul Sattar, and Nasim Ahmad*, De-
partment of Theriogenology, University of Veterinary and Animal Sciences, Lahore, Punjab, Pakistan.
12:15 PM 
135  
Relationships between hair coat shedding and hair cortisol concentrations and age at first calving in crossbred 
beef heifers. 
Rhonda C. Vann*
1
, Michael Robinson
2
, Scott T. Willard
2
, Thomas H. Welsh
4
, and Ronald D. Randel
3
, 
1
MAFES-E.G. 
(Gene) Morrison Brown Loam Branch Experiment Station, Raymond, MS, 
2
Department Animal & Dairy Science, 
Mississippi State University, Mississippi State, MS, 
3
Texas A&M AgriLife Research Center, Overton, TX, 
4
Texas A&M 
Department of Animal Science, College Station, TX.
Production, Management, and the Environment I
Chair: Phil Cardoso, University of Illinois 
Panzacola F-4
9:30 AM 
136  
Changes in milking procedures on US dairy operations: 1996–2014. 
Jason E. Lombard*
1
, Charles P. Fossler
1
, Ashley E. Adams
1,2
, Chelsey B. Shivley
1,2
, Natalie J. Urie
1,2
, Christine A. Kopral
1
, 
and Lindsey P. Garber
1
, 
1
USDA:APHIS:VS:Center for Epidemiology and Animal Health, Fort Collins, CO, 
2
Colorado State 
University, Fort Collins, CO.
9:45 AM 
137  
Assessing the farm-level cost of mastitis. 
Jacqueline Holland*
1
, Jason Lombard
2
, Joleen Hadrich
1
, and Christopher Wolf
3
, 
1
Dept. of Agricultural and Resource 
Economics, Colorado State University, Fort Collins, CO, 
2
USDA:APHIS:VS:Center for Epidemiology and Animal Health, 
Fort Collins, CO, 
3
Department of Agricultural, Food, and Resource Economics, Michigan State University, East Lansing, 
MI.

MONDAY
ORALS
105
10:00 AM 
138  
Associations between housing and management practices on the incidence of lameness, hock lesions, and thin 
cows on US dairy operations. 
Ashley E. Adams*
1,2
, Jason E. Lombard
2
, Ivette N. Roman-Muniz
1
, Charles P. Fossler
2
, and Christine A. Kopral
2
, 
1
Colo-
rado State University, Fort Collins, CO, 
2
USDA:APHIS:VS:Center for Epidemiology and Animal Health, Fort Collins, CO.
10:15 AM 
139  
Management of nonambulatory dairy cows on US dairy operations. 
Ashley E. Adams*
1,2
, Jason E. Lombard
2
, Ivette N. Roman-Muniz
1
, Charles P. Fossler
2
, and Christine A. Kopral
2
, 
1
Colo-
rado State University, Fort Collins, CO, 
2
USDA:APHIS:VS:Center for Epidemiology and Animal Health, Fort Collins, CO.
10:30 AM 
140  
Morbidity and mortality of preweaned dairy heifer calves. 
Natalie J. Urie*
1,2
, Jason E. Lombard
1
, and Chelsey B. Shivley
1,2
, 
1
USDA:APHIS:VS:Center for Epidemiology and Animal 
Health, Fort Collins, CO, 
2
Colorado State University, Fort Collins, CO.
10:45 AM 
141  
Evaluation of colostrum quality and passive transfer status of dairy heifer calves on US dairy operations. 
Chelsey B. Shivley*
1,2
, Natalie J. Urie
1,2
, Deborah M. Haines
3,4
, Jason E. Lombard
2
, and Manuel F. Chamorro
3
, 
1
Colorado 
State University, Fort Collins, Colorado, 
2
USDA:APHIS:VS:Center for Epidemiology and Animal Health, Fort Collins, 
Colorado, 
3
Research and Technical Services, The Saskatoon Colostrum Company, Saskatoon, SK, Canada, 
4
Department 
of Veterinary Microbiology, Western College of Veterinary Medicine, Saskatoon, SK, Canada.
11:00 AM 
142  
Evaluation of the Brix refractometer for measuring colostral and serum IgG concentrations. 
Manuel F. Chamorro*
1
, Ron Sargent
1
, Deborah M. Haines
2,1
, and Jason Lombard
3
, 
1
The Saskatoon Colostrum Company 
Ltd, Saskatoon, Saskatchewan, Canada, 
2
Western College of Veterinary Medicine, Saskatoon, Saskatchewan, Canada, 
3
Center for Epidemiology and Animal Health USDA, Fort Collins, CO.
11:15 AM 
143  
Prevalence of Cryptosporidium and Giardia in preweaned dairy heifer calves. 
Natalie J. Urie*
1,2
, Jason E. Lombard
1
, Ronald Fayer
3
, Monica Santin-Duran
3
, and Chelsey B. Shivley
1,2
, 
1
USDA:APHIS:VS:Center for Epidemiology and Animal Health, Fort Collins, CO, 
2
Colorado State University, Fort Collins, 
CO, 
3
USDA:ARS:NEA:BARC: Environmental Microbial and Food Safety Lab, Beltsville, MD.
11:30 AM 
144  
Evaluation of average daily gain in preweaned dairy heifer calves based on different liquid diets and management 
practices. 
Chelsey B. Shivley*
1,2
, Natalie J. Urie
1,2
, and Jason E. Lombard
2
, 
1
Colorado State University, Fort Collins, CO, 
2
USDA:APHIS:VS:Center for Epidemiology and Animal Health, Fort Collins, CO.
11:45 AM 
145  
Prevalence of Campylobacter spp. in bulk tank milk and filters from US dairies. 
Laura P. Del Collo*
1,3
, Jeffrey S. Karns
1
, Debabrata Biswas
3
, Jason E. Lombard
2
, R. Camilla Kristensen
2
, Charles P. Fos-
sler
2
, and Jo Ann S. Van Kessel
1
, 
1
USDA-ARS-NEA Environmental Microbial and Food Safety Laboratory, Beltsville, MD, 
2
USDA:APHIS:VS:Center for Epidemiology and Animal Health, Fort Collins, CO, 
3
Dept. of Animal and Avian Sciences, 
University of Maryland, College Park, MD.
12:00 PM 
146  
Salmonella Dublin antibodies in bulk-tank milk on U.S. dairy operations. 
Jason E. Lombard*
1
, Belinda S. Thompson
2
, Paul D. Virkler
2
, Bettina Wagner
2
, R. Camilla Kristensen
1
, and Charles P. 
Fossler
1
, 
1
USDA:APHIS:VS:Center for Epidemiology and Animal Health, Fort Collins, CO, 
2
Animal Health Diagnostic 
Center, College of Veterinary Medicine, Cornell University, Ithaca, NY.
12:15 PM 
147  
Prevalence of Salmonella and Listeria monocytogenes in bulk tank milk and filters from US dairies. 
Jo Ann S. Van Kessel*
1
, Jeffrey S. Karns
1
, Jason E. Lombard
2
, R. Camilla Kristensen
2
, and Charles P. Fossler
2
, 
1
USDA-
ARS-NEA Environmental Microbial and Food Safety Laboratory, Beltsville, MD, 
2
USDA:APHIS:VS:Center for Epidemiol-
ogy and ANimal Health, Fort Collins, CO.
12:30 PM 
148