2014 Nebraska Beef Cattle Report

The University of Nebraska-Lincoln 2014 Beef Cattle Report features articles on research results and program updates in the areas of cow/calf production, growing, forage management and crop residue utilization, finishing, and beef products.

Cow/Calf
Effect of Pubertal Status and Number of Estrous Cycles Prior to the Breeding Season on Pregnancy Rate in Beef Heifers

Comparison of Long-term Progestin-based Synchronization Protocols on Fixed-time AI pregnancy Rate in Beef Heifers
Androgen Excess in Beef Cows Results in Altered Theca Cell Gene Expression and Fertility

Follicular Vascular Endothelial Growth Factor A Expression Before and After the LH Surge

Evaluation of Genomic Predictors for Red Angus Cattle
Preconception Distillers Grains Supplementation Improves Mature Beef Cow Return to Estrous

Impact of Supplemental Protein Source on Pregnant Heifers
Effects of Winter Supplementation on Cow Performance and Post-Weaning Management on Steer and Heifer Progeny in a Late Spring Calving System

Effects of Calf Age at Weaning on Cow and Calf Performance and Efficiency in a Drylot/Confinement Production System
Growing

Effects of Forage Quality, MDGS, and Monensin on Performance, Methane Concentration, and Ruminal Fermentation of Growing Cattle

Energy Value of De-Oiled Modified Distillers Grains Plus Solubles in a Forage Based Diet

Replacement of Grazed Forage and Animal Performance when Distillers Grains are Fed in a Bunk or on the Ground on Summer Range

Effects of Winter Supplementation Level on Yearling System Profit Across Economic Scenarios

Distillers Grains Supplementation in a Forage System with Spayed Heifers

Economics of Distillers Grains Supplementation in a Forage System with Spayed Heifers

Effect of Distillers Grains Plus Solubles Supplementation on Grazing Cattle Performance

Effect of Distillers Grains Supplementation on Calves Grazing Irrigated and Non-irrigated Corn Residue
Effects of Grazing on Nebraska Sandhills Meadow Forage Nutrient Content

Forage Management and Crop Residue Utilization
Effect of Irrigation Allocation on Perennial Grass Production and Quality

Dryland Cover Crops as a Grazing Option for Beef Cattle
Using Enspira™ to Improve Fiber Digestion

Use of Treated Corn Residues in Growing Diets

Use of a Pelleted Corn Residue Complete Feed in Receiving Diets

Alkaline Treated Wheat Straw or Corn Stover Fed to Growing Calves

Impact of Feeding Alkaline-treated Corn Stover at Elevated Amounts in Commercial Feedlot Cattle

Optimum Inclusion of Alkaline Treated Cornstalks and Distillers Grains Fed to Calf-fed Steers

Finishing

Transitioning Cattle from RAMP® to a Finishing Diet on Feed Intake and Ruminal pH

Transitioning Cattle from RAMP® to a Finishing Diet on Feedlot Performance and Feed Intake Variance

Effects of Increasing Inclusion of Wet Distillers Grains Plus Solubles With and Without Oil Extraction on Finishing Performanc­e ­

Effects of a Terminal Sorting System with Zipaterol Hydrochloride on Feedlot Steers

Evaluating Corn Condensed Distillers Solubles Concentration in Steam-Flaked Corn Finishing Diets on Cattle Performance and Carcass Characteristics

Feeding Elevated Levels of Corn Silage and MDGS in Finishing Diets

Effects of Feeding NEXT ENHANCE® in Finishing Diets on Performance and Carcass Characteristics

Optimal Marketing Date of Steers Depends on Marketing Strategy

Effect of Micro-Aid® Supplementation on Nitrogen Losses from Manure

Effects of Dietary Change on Viral-bacterial Interactions in the Rumen of Cattle

Differences in Fecal Bacterial Community Composition between Beef Steers which are High-shedders and Low-shedders of Shiga Toxin-producing Escherichia coli (STEC)

Beef Products

Shelf life of Cooked Ground Beef Patties from Cattle Fed Wet Distillers Grains with Solubles

Effect of Feeding Different Types of By-products and Concentrations throughout a Beef Growing System on Ground Beef Color Lipid Oxidation

Lipid Oxidation of Cooked Ground Beef Links from Cattle Fed Distillers Grains in Different Phases of Production

Effect of Natural Antioxidant Concentration on Lipid Oxidation of Ready-to-Eat Ground Beef Links from Cattle Fed Distillers­ Grains in Different Phases of Production

Effects of Feeding Distillers Grains in a Yearling Beef System on Meat Quality

Effect of Feeding De-oiled Wet Distillers Grains Plus Solubles on Beef Oxidation and Tenderness

Effect of Feeding De-oiled Wet Distillers Grains Plus Solubles on Beef Fatty Acid Profiles

Nutrient and Tenderness Differences of Beef from Heifers Due to Mutation of the Myostatin Gene

Vein Steak Differences in Strip Loins of Heifers Due to Mutation of the Myostatin Gene

The Effects of Diet and Cooler Aging on Specific Flavor Notes in Beef

Grass Type, Grazing Supplementation, and Finishing Diets Affect Beef Fatty Acids

The Effect of Diet on the Biochemical Constituents of Beef

The Effect of Diet and Cooler Aging on Consumer Panel Scores for Beef

Statistics Used in the Nebraska Beef Report and Their Purpose