The Nebraska Beef Reports contain a summary of research conducted by scientists and graduate students in the Animal Science Department. The target audience for these reports are livestock producers, extension educators, and people in agri-business. The articles are written in a format and style with our Nebraska clientele in mind that is easy to read and understand.

2016

2016 Nebraska Beef Cattle Report (complete)

Statistics Used in the Nebraska Beef Report and Their Purpose

Table of Contents 2016 Nebraska Beef Cattle Report

Effect of Crude Glycerin Concentration on Forage Digestion Parameters in Beef Calves, Robert G. Bondurant, Jana L. Harding, Melissa L. Jolly- Breithaupt, Jim C. MacDonald, Andrea R. McCain, and Samodha C. Fernando

Carcass Gain, Efficiency, and Profitability of Steers at Extended Days on Feed, Robert G. Bondurant, Jim C. MacDonald, Galen E. Erickson, Kate Brooks, Rick N. Funston, and Kelly Bruns

Effect of Winter Distillers Grains Supplementation Level on Spayed Heifer Performance, Robert G. Bondurant, Brandon L. Nuttelman, Curtis J. Bittner, Jim C. MacDonald, and Terry J. Klopfenstein

Producer Concerns and Perceptions Regarding the Effect of Methane on Cattle Production and the Environment, Bradley M. Boyd, Amanda Burken, Lisa Franzen- Castle, Karla Jenkins, Richard J. Rasby, Matthew Luebbe, Rick Stowell, Samodha C. Fernando, and Galen E. Erickson

Metabolic and Body Temperature Responses to Environmental Conditions across Seasons in Finishing Steers, Bradley M. Boyd, Terry L. Mader, Curtis J. Bittner, Dirk Burken, Henry Hilscher, Gene Wijffels, John B. Gaughan, Megan Sullivan, Judy Cawdell- Smith, and Galen E. Erickson

Effects of Shade and Feeding Zilpaterol Hydrochloride to Finishing Steers on Performance, Carcass Quality, Heat Stress, Mobility, and Body Temperature, Bradley M. Boyd, Steven D. Shackelford, Kristin E. Hales, Tami M. Brown- Brandl, Meredith L. Bremer, Matthew L. Spangler, Tommy L. Wheeler, David A. King, and Galen E. Erickson

Effects of Feeding OmniGen- AF® on Immune Function, Performance, and Carcass Characteristics during the Feeding Period, Joe O. Buntyn, Sara E. Sieren, Curtis J. Bittner, Dirk Burken, Galen E. Erickson, Nicole C. Burdick Sanchez, Jeff A. Carroll, Steven J. Jones, Ty B. Schmidt, Keven C. Dehann, and Troy J. Wistuba

Modifying Different Components of Distillers Grains and the Impact on Feedlot Performance, Zachary E. Carlson, Curtis J. Bittner, Dirk Burken, Galen E. Erickson, and Jim C. MacDonald

Evaluation of the Relative Contribution of Protein in Distillers Grains in Finishing Diets on Animal Performance, Zachary E. Carlson, Galen E. Erickson, Jim C. MacDonald, and Matt K. Luebbe

Feeding Vitamin E May Reverse Sarcoplasmic Reticulum Membrane Instability Caused by Feeding Wet Distillers Grains Plus Solubles to Cattle, Michael D. Chao, Katherine I. Domenech, and Chris R. Calkins

Effects of Dietary Antioxidant Supplementation on Cattle Finished with 30% Wet Distillers Grains Plus Solubles on Fatty Acid Profiles and Display Life, Michael D. Chao, Katherine I. Domenech, Hope R. Voegele, Emery K. Kunze, and Chris R. Calkins

Effect of Feeding Distillers Grains and Supplementing with Dietary Antioxidants on Ground Beef Shelf Life and Fatty Acid Profile, Brandy D. Cleveland and Gary Sullivan

Effects of Feeding Isolated Nutrient Components in MDGS on Growing Cattle Performance, Brianna B. Conroy, Curtis J. Bittner, Jim C. MacDonald, Matthew K. Luebbe, and Galen E. Erickson

Impact of Feeding Distillers Grains or Isolated Components in Distillers Grains on Feedlot Performance and Carcass Traits, Brianna B. Conroy, Matthew K. Luebbe, Galen E. Erickson, Jim C. MacDonald, and Jacob A. Hansen

Utilizing Corn Residue or Fall Double Cropped Forages for Winter Backgrounding of Calves, Jordan L. Cox, Kristin E. Hales, Kristen M. Ulmer, Richard J. Rasby, Steven D. Shackleford, Chad Engle, John Rieckman, Harvey C. Freetly, and Mary E. Drewnoski

Granulosa Cell Exposure to Excess Androgens Inhibits Their Ability to Proliferate in the Cow Which May Cause or Perpetuate Androgen Excess, Andrea S. Cupp, Sarah Romereim, Adam F. Summers, William E. Pohlmeier, Renee M. McFee, Renata Spuri- Gomes, Scott G. Kurz, Anthony K. McNeel, Robert A. Cushman, John S. Davis, and Jennifer R. Wood

Economics of Rebreeding Non- pregnant Females, Aline G. da Silva, Jacqueline A. Musgrave, Don C. Adams, John Nollette, Andy Applegarth, and Rick N. Funston

Effect of Dam Age on Offspring Productivity, Aline G. da Silva, Jacqueline A. Musgrave, John Nollette, Andy Applegarth, and Rick N. Funston

Impact of Supplementing Cattle with OmniGen- AF at the Receiving or Finishing Phase on Beef Shelf- Life, Katherine I. Domenech, Michael D. Chao, Joe Buntyn, Ty B. Schmidt, and Chris R. Calkins

Beef Fatty Acid Profiles from Steers Finished with De-oiled Dry Distillers Grains Plus Solubles vs. a Corn- Based Diet, Katherine I. Domenech, Keni E.Z. Nubito, Galen E. Erickson, and Chris R. Calkins

Accurate Amounts and Nutritive Values of Corn Residues, Shelby E. Gardine, Andrea K. Watson, Jana L. Harding, and Terry J. Klopfenstein

Effects of Different Inoculum Used for In Vitro and In Situ Digestion Procedures Performed on Corn Residue Samples, Hannah C. Hamilton, Jana Harding, Jim C. MacDonald, and Terry J. Klopfenstein

Effects of Replacing a Traditional Growing Diet with a Complete Pelleted Feed on Total Tract Digestibility of Growing Diets, Jana L. Harding, Melissa L. Jolly, Galen E. Erickson, and Jim C. MacDonald

Evaluating Syngenta Enhanced Feed Corn on Finishing Cattle Performance and Carcass Characteristics, Marie E. Harris, Melissa L. Jolly- Breithaupt, Brandon L. Nuttelman, Dirk Burken, Galen E. Erickson, Ivan G. Rush, and Matt K. Luebbe

Effects of Protein Supplementation in Corn Silage Growing Diets Harvested at 37 or 43% DM on Cattle Growth, F. Henry Hilscher, Robert G. Bondurant, Jana L. Harding, Terry J. Klopfenstein, and Galen E. Erickson

The Effect of Delayed Corn Silage Harvest on Corn Silage Yield and Finishing Performance in Yearling Steers, F. Henry Hilscher, Dirk Burken, Curtis J. Bittner, Jana L. Harding, Terry J. Klopfenstein, and Galen E. Erickson

Annual Forages following Irrigated Winter Wheat, Karla H. Jenkins, Aaron Berger, and Gary Hergert

Evaluating Syngenta Enhanced Feed Corn Processed as Dry- Rolled or High- Moisture Corn on Cattle Performance and Carcass Characteristics, Melissa L. Jolly- Breithaupt, Curtis J. Bittner, Dirk Burken, Galen E. Erickson, Jim C. MacDonald, and Matt K. Luebbe

Site and Extent of Digestion of Finishing Diets Containing Syngenta Enhanced Feed Corn, Melissa L. Jolly- Breithaupt, Jana L. Harding, Jim C. MacDonald, Galen E. Erickson, and Matt K. Luebbe

Effect of Harvest Method on Residue Quality, Tasha M. King, Robert G. Bondurant, Jana L. Harding, Jim C. MacDonald, and Terry J. Klopfenstein

Effect of Diet on the Rumen Microbial Community Composition of Finishing Cattle and the Role it Plays in Methane Emissions, Allison L. Knoell, Christopher L. Anderson, Anna C. Pesta, Galen E. Erickson, and Terry J. Klopfenstein

Effect of Feeding Dried De-oiled Distillers Grains and Addition of Postmortem Antioxidants on Ground Beef Shelf Life, Jenae C. Martin, Brandy D. Cleveland, Tommi F. Jones, Jim C. MacDonald, and Gary Sullivan

Impact of Crude Glycerin Supplementation on Rumen and Duodenal Microbial Populations in Forage Diets, Andrea R. McCain, Robert G. Bondurant, Melissa Jolly, Jana L. Harding, Samodha C. Fernando, and Jim C. MacDonald

Effect of Corn Residue Composition on Digestibility by Lambs, Levi J. McPhillips, Janessa J. Updike, Jim C. MacDonald, Terry J. Klopfenstein, Jana L. Harding, and Melissa L. Jolly- Breithaupt

Finishing Yearling Heifers Using Self- Fed Dried Distillers Grains on Pasture, Jared M. Mracek, Jason M. Warner, Bradley R. Wetovick, Dennis E. Bauer, Twig T. Marston, Jim C. MacDonald, Jerry Volesky, and Richard J. Rasby

Effect of Safeguard® on Fecal Egg Count and Steer Performance in Newly Received Calves, Antonio J. Neto, Curtis J. Bittner, Brandon L. Nuttelman, and Galen E. Erickson

Effect of MGA vs CIDR Estrus Synchronization on Estrus Response and Pregnancy Rates in 311 d Old Beef Heifers, Hazy R. Nielson, Rosemary V. Anderson, and Rick N. Funston

How Many Clean-up Bulls Are Needed aft er Estrus Synchronization and Artificial Insemination?, Hazy R. Nielson and Rick N. Funston

Comparison of TAI at GnRH Injection and Delayed Insemination of Non- estrus Beef Heifers, Hazy R. Nielson, Dan J. Kelly, T. L. Meyer, and Rick N. Funston

Effect of Feeding De-oiled Dry Distillers Grains Plus Solubles on Beef Oxidation, Color and Tenderness, Keni E.Z. Nubiato, Katherine I. Domenech, Galen E. Erickson, and Chris R. Calkins

Evaluation of Distillers Grains Components Singly or in Combination in a Calf Fed Feedlot Study, Rachel A. Oglesbee, Curtis J. Bittner, F. Henry Hilscher, Galen E. Erickson, Jim C. MacDonald, and Matt K. Luebbe

Student Perceptions and Knowledge of the Feedlot Industry and the Feedyard Management Specialization Internship, Rachel A. Oglesbee, Meredith L. Bremer, Kari L. Lewis, Dennis R. Brink, Terry J. Klopfenstein, Jim C. MacDonald, and Galen E. Erickson

Rumen Protected Amino Acids in Finishing Cattle Diets, Colton Oney, Curtis J. Bittner, F. Henry Hilscher, Andrea K. Watson, Terry J. Klopfenstein, Galen E. Erickson, and Whitney Rounds

Methane Production, Diet Digestibility, and VFA Profile of Growing Steers Fed High or Low Quality Forage, A. C. Pesta, M. L. Jolly- Breithaupt, Samodha C. Fernando, Paul J. Kononoff, and Galen E. Erickson

Use of Dietary Nitrate or Sulfate for Mitigation of Methane Production by Finishing Steers, Anna C. Pesta, Robert G. Bondurant, Samodha C. Fernando, and Galen E. Erickson

Effects of Direct- Fed Microbial Supplementation in Different Diets on Performance and Carcass Characteristics of Beef Feedlot Heifers, Laura F. Prados, Nirosh D. Aluthge, Curtis J. Bittner, F. Henry Hilscher, Samodha C. Fernando, and Galen E. Erickson

Impact of a Newly Developed Direct- Fed Microbial on Performance in Finishing Beef Steers, Laura F. Prados, Nirosh D. Aluthge, Robert G. Bondurant, Samodha C. Fernando, and Galen E. Erickson

Impact of Inoculating Corn Silage with Buchnerii 500 on Feedlot Cattle Performance with or without Added Yeast Product at Time of Feeding, Cassandra A. Row, Curtis J. Bittner, Jana L. Harding, Jim C. MacDonald, Terry J. Klopfenstein, Angel A. Aguilar, Renato J. Schmidt, and Galen E. Erickson

Effect of Corn Plant Maturity on Yield and Nutrient Quality of Corn Plants, 2- Year Summary, Cassandra A. Row, Robert G. Bondurant, Andrea K. Watson, Jana Harding, Jim C. MacDonald, Terry J. Klopfenstein, and Galen E. Erickson

Cows with Excess Androgen are Anovulatory and Have Differing Patterns of Progesterone Secretion, Renata Spuri- Gomes, Sarah C. Tenley, Mohamed A. Abedal- Majed, Scott G. Kurz, Jeff Bergman, Jennifer R. Wood, and Andrea S. Cupp

Effects of Supplementing OmniGen- AF® with or without Ractopamine Hydrochloride on Performance and Carcass Characteristics of Feedlot Steers, Kelby M. Sudbeck, Robert G. Bondurant, Troy J. Wistuba, Kevin C. DeHaan, Jim C. MacDonald, Galen E. Erickson, and Matt K. Luebbe

Effects of Supplemental Energy and Protein Source on Performance of Steers Grazing Irrigated Corn Residue, Benjamin T. Tibbitts, Jim C. MacDonald, Rick N. Funston, Cody A. Welchons, Robert G. Bondurant, and F. Henry Hilscher

Evaluation of Different Byproduct Combinations along with Treated Corn Stover on Growing Steer Performance, Kristen M. Ulmer, Curtis J. Bittner, F. Henry Hilscher, Galen E. Erickson, and J. C. MacDonald

Observations of Forage Quality and Calf Gain when Grazing Double Cropped Forage following Wheat Harvest, Kristen M. Ulmer, Robert G. Bondurant, Jana L. Harding, Gary Lesoing, M. E. Drewnoski, and J. C. MacDonald

Effect of Corn Residue Harvest Method on In Vivo and In Vitro Digestibility, Janessa J. Updike, Levi J. McPhillips, Melissa L. Jolly- Breithaupt, Jana L. Harding, Terry J. Klopfenstein, and Jim C. MacDonald

Effects of Wintering System on Cow and Calf Performance in a Summer-Calving Intensive Production System, Jason M. Warner, Curtis J. Bittner, Robert G. Bondurant, Karla H. Jenkins, Richard J. Rasby, Matt K. Luebbe, Galen E. Erickson, and Terry J. Klopfenstein

Evaluation of Varying Corn Grain (and Byproduct) Inclusion in Beef Cattle Finishing Diets, Andrea K. Watson, Matt K. Luebbe, and Galen E. Erickson

Effect of Pelleted Byproducts on Performance When Fed to Growing Cattle, Cody A. Welchons, Curtis J. Bittner, Dirk Burken, Jim C. MacDonald, and Galen E. Erickson

Effect of Pelleted Feed Products and Bambermycins on Performance When Fed to Cattle Grazing Residue, Cody A. Welchons, Robert G. Bondurant, F. Henry Hilscher, Jim C. MacDonald, Galen E. Erickson, and Cody A. Nichols

Performance and Economics of Supplementing Yearlings on Smooth Bromegrass Pastures, Cody A. Welchons, Robert G. Bondurant, Terry J. Klopfenstein, Jim C. MacDonald, and Andrea K. Watson

2015

2015 Beef Cattle Report (complete)

Statistics Used in the Nebraska Beef Report and Their Purpose

Comparison of Wet or Dry Distillers Grains Plus Solubles to Corn as an Energy Source in Forage-Based Diets, Nerissa A. Ahern, Brandon L. Nuttelman, Terry J. Klopfenstein, James C. MacDonald, and Galen E. Erickson

Genetic Parameter Estimates for Calving Difficulty and Birth Weight in a Multibreed Population, Cashley M. Ahlberg, Larry A. Kuehn, R. Mark Thallman, Stephen D. Kachman, and Matthew L. Spangler

Effect of 300 or 400 mg Daily of Ractopamine Hydrochloride on Growth Performance and Carcass Characteristics of Finishing Steers During the Last 14, 28, or 42 Days, Curtis J. Bittner, Dirk B. Burken, Adam L. Shreck, James C. MacDonald, Galen E. Erickson, and Nathan A. Pyatt

Effects of Next Enhance® Concentrations in Finishing Diets on Performance and Carcass Characteristics of Yearling Feedlot Cattle, Curtis J. Bittner, Galen E. Erickson, Karla H. Jenkins, Matt K. Luebbe, Martin A. Andersen, and Geoff I. Zanton

Response to Increasing Concentrations of De-oiled Modified Distillers Grains Plus Solubles in Beef Feedlot Diets, Meredith L. Bremer, Curtis J. Bittner, Dirk B. Burken, Galen E. Erickson, and Jim C. MacDonald

Feeding Value of De-oiled Wet Distillers Grains Plus Solubles Relative to Normal When Fed with Either Dry-Rolled Corn or Steam-Flaked Corn in Beef Finishing Diets, Meredith L. Bremer, Marie E. Harris, Jake A. Hansen, Karla H. Jenkins, Matthew K. Luebbe, and Galen E. Erickson

Digestibility of De-Oiled Modified Distillers Grains Plus Solubles in Forage-Based Diets, Meredith L. Bremer, Sarah J. Peterson, Adam L. Shreck, Galen E. Erickson, Terry J. Klopfenstein, and Jim C. MacDonald

Evaluation of Rumen Metabolism and Digestibility of Corn Silage and MDGS Finishing Diets, Dirk B. Burken, Shelby E. Gardine, Jana L. Harding, Melissa L. Jolly-Breithaupt, and Galen E. Erickson

The Effects of Corn Price, Shrink, and Harvest Moisture on Corn Silage Economics, Dirk B. Burken, Terry J. Klopfenstein, and Galen E. Erickson

Feeding Elevated Levels of Corn Silage and MDGS in Finishing Diets, Dirk B. Burken, Brandon L. Nuttelman, Curtis J. Bittner, Terry J. Klopfenstein, and Galen E. Erickson

A Basic Mechanism of Beef Tenderization: Feeding Wet Distillers Grains Plus Solubles Contributes to Sarcoplasmic Reticulum Membrane Instability, Michael D. Chao, Katherine I. Domenech, and Chris R. Calkins

Effect of Feeding Distillers Grains and Supplementing with Dietary Antioxidants on Ground Beef Color During Retail Display, Brandy D. Cleveland, Chad G. Bower, Amy L. Redfield, and Gary A. Sullivan

Effect of Feeding Distillers Grains in Different Phases of Production on the Fatty Acid Profile and Oxidation of Frozen, Cooked Beef Links, Brandy D. Cleveland, Amy L. Redfield, James C. MacDonald, Tommi F. Jones, and Gary A. Sullivan

Effect of Corn Residue Removal on Subsequent Crop Yields, Mary E. Drewnoski, L. Aaron Stalker, Jim C. MacDonald, Galen E. Erickson, Kathy J. Hanford, and Terry J. Klopfenstein

Effects of Processing Treated Corn Stover and Distillers Grains on Performance of Growing Cattle, Jana L. Harding, Curtis J. Bittner, Dirk B. Burken, Galen E. Erickson, and Jim C. MacDonald

Effects of Replacing Corn with a Pelleted Treated Corn Stover and Distillers Grains on Performance of Finishing Cattle, Jana L. Harding, Curtis J. Bittner, Dirk B. Burken, Galen E. Erickson, and Jim C. MacDonald

Effects of Replacing Corn with a Pelleted Treated Corn Stover and Distillers Grains on Intake and Total Tract Digestibility of Finishing Diets, Jana L. Harding, Melissa L. Jolly-Breithaupt, Galen E. Erickson, and Jim C. MacDonald

Using Enspira to Improve Fiber Digestion, Jana L. Harding, Adam L. Shreck, Melissa L. Jolly-Breithaupt, Galen E. Erickson, and Jim C. MacDonald

Evaluating Two Rates of Monensin Fed During the Grain Adaptation Period on Cattle Performance and Carcass Characteristics, Marie E. Harris, Galen E. Erickson, Karla H. Jenkins, and Matt K. Luebbe

Effect of Distillers Grains Plus Solubles and Monensin Supplementation on Grazing Steers, Tyler L. Hasenauer, Terry J. Klopfenstein, Jim C. MacDonald, Robby G. Bondurant, and Dirk B. Burken

Effect of Zinc and Copper Source on Finishing Steer Feedlot Performance and Incidence of Footrot, E. Henry Hilscher, Galen E. Erickson, Scott B. Laudert, Robert J. Cooper, Bill D. Dicke, D. J. Jordon, and Tony L. Scott

Effects of Three Aggressive Implant Protocols on Feedlot Performance and Carcass Traits of Calf-Fed Steers, F. Henry Hilscher, Galen E. Erickson, Marshall N. Streeter, Robert J. Cooper, Bill D. Dicke, D. J. Jordon, and Tony L. Scott

Efficacy of Bovatec 2.2 Mineral Blocks for Cattle Grazing Crested Wheatgrass Pastures, Karla H. Jenkins, Jacob A. Hansen, and Matt K. Luebbe

Using Sugar Beet Pulp to Replace Wheat Straw when Limit Feeding Late Gestation Beef Cows, Karla H. Jenkins, Matt K. Luebbe, and Terry J. Klopfenstein

Nutrient Digestibility and Ruminal pH of Finishing Diets Containing Dry Milling Byproducts With and Without Oil Extraction, Melissa L. Jolly-Breithaupt, Adam L. Shreck, Jana L. Harding, Jim C. MacDonald, Terry J. Klopfenstein, and Galen E. Erickson

Comparison of Commercial Lick Tubs to Distillers Grains Supplementation for Calves Grazing Corn Residue, Mandi Jones, Jim C. MacDonald, Galen E. Erickson, Terry J. Klopfenstein, Kathleen R. Brooks, Dirk B. Burken, Robby Bondurant, and Andrea K. Watson

Dried Distillers Grains Supplementation of Calves Grazing Irrigated Corn Residue, Mandi Jones, Jim C. MacDonald, Galen Erickson, Terry J. Klopfenstein, and Robby Bondurant

Evaluation of Changes in Nutritional Quality of Corn Residue Over Time, Mandi Jones, Jim C. MacDonald, Terry J. Klopfenstein, Galen E. Erickson, Keith Glewen, and Andrea K. Watson

Effects of Grazing on Nebraska Sandhills Meadow Forage Nutrient Content, Jared V. Judy, Jacki A. Musgrave, L. Aaron Stalker, Karla H. Jenkins, and Terry J. Klopfenstein

Stocking Rate Effects on Forage Nutrient Composition in Early Summer Pastures, Jared V. Judy, Jacki A. Musgrave, L. Aaron Stalker, Karla H. Jenkins, and Terry J. Klopfenstein

Effect of Diet on the Rumen Microbial Community Composition of Growing Cattle and the Role It Plays in Methane Emissions, Allison L. Knoell, Christopher L. Anderson, Anna C. Pesta, Galen C. Erickson, Terry J. Klopfenstein, and Samodha C. Fernando

The Effects of Source and Amount of Nitrite on Quality Characteristics of All-Beef Frankfurters, Eric Miller, Chad G. Bower, Amy L. Redfield, and Gary A. Sullivan

Effects of Ingestion and Collection Bag Type on Nutrient Composition of Forage Samples from Esophageally Fistulated Cattle, Jacki Musgrave, Jared Judy, Aaron Stalker, Terry Klopfenstein, and Karla Jenkins

Impact of Heifer Development System on Subsequent Gain and Reproduction, Hazy R. Nielson, John D. Harms, Adam F. Summers, Rebecca A. Vraspir, and Rick N. Funston

A Comparison of Two Implant Protocols: Synovex-Choice/Synovex-Plus vs. Synovex-S/Revalor-S on Steer Feedlot Performance and Carcass Characteristics, Hazy R. Nielson, Adam F. Summers, and Rick N. Funston