Nebraska 2007 Beef Cattle Report

Authors

Date of this Version

January 2007

Comments

Published in 2007 Nebraska Beef Cattle Report. Copyright © 2006 The Board of Regents of the University of Nebraska.

Abstract

Table of Contents

Cow/Calf
Utilization of Dried Distillers Grains for Developing Beef Heifers
Progestin Concentrations Alter Follicle Characteristics and May Affect Quality of Oocytes (Eggs)

Growing
Summary Analysis of Grazing Yearling Response to Distillers Grains
Dried Distillers Grains Substitute for Forage and Nitrogen on Pasture: N Dynamics and Use Efficiency
Comparing a Modified Dry Byproduct to Dry Distillers Grains with Solubles in Growing Calf Diets
Effect of Distillers Grains Composition and Level on Steers Consuming High-Quality Forage
Replacement of Forage with Dried Distillers Grains Reduces Ruminal Methane Production
Dried Distillers Grains as Creep Feed for Yearling Beef Cattle Grazing Sandhill Range

Beef Feedlot
Effect of Feeding a By-product Combination at Two Levels or By-product Alone in Feedlot Diets
Effects of Different Inclusion Levels of Wet Distiller Grains in Feedlot Diets Containing Wet Corn Gluten Feed
Effects of Roughage Source and Level with the Inclusion of Wet Distillers Grains on Finishing Cattle Performance and Economics
Effect of Corn Processing and Wet Distillers Grains Inclusion Level in Finishing Diets
Optimum Levels of Dry Distillers Grains with Solubles for Finishing Beef Steers
Digestibility, Rumen Metabolism, and Site of Digestion for Finishing Diets Containing Wet Distillers Grains or Corn Oil
Pen Density and Straw Bedding During Feedlot Finishing
Environmental Factors Affecting Water Intake in Steers Finishing in Feedlots
Feedlot Surface Conditions and Ammonia Emissions
Effect of Phase Feeding Protein on Cattle Performance and Nitrogen Mass Balance in Open Feedlots
Changes in Gain Through the Feeding Period
Comparison of a Long Yearling System and Calf-fed Performance and Economics
Effect of Sorting and Feeding Optaflexx on Performance and Economics of Long Yearling Steers
Performance Profile and Carcass Characteristics of Steers Fed Optaflexx
Evaluation of Excede® Given at Either Initial Processing or Revaccination on Bovine Respiratory Disease and Pasture vs Feedlot Receiving Systems
Evaluation of Synovex Choice Versus Revalor Implant Strategies in Beef Finishing Steers
Effect of CRINA RUMINANTS AF, a Mixture of Essential Oil Compounds, on Finishing Beef Steer Performance
Effect of CRINA RUMINANTS AF, a Mixture of Essential Oil Compounds, on Ruminal Fermentation and Digestibility
Feeding Potassium Bicarbonate and Sodium Chloride in Finishing Diets
Effect of Feeding DAS-59122-7 Corn Grain and Non-transgenic Corn Grain to Finishing Feedlot Steers

Beef Products
Identification of Off-Flavor Compounds in Beef Round and Chuck Muscles
Fatty Acids and Minerals Affect the Liver-Like Off-Flavor in Cooked Beef
Off-Flavor Mitigation in Cow Steaks
Masking Off-Flavors in Ground Beef
Enhancement of Beef Chuck and Round Muscles with Ammonium Hydroxide
Effects of Aging on Beef Chuck and Round Muscles Enhanced with Ammonium Hydroxide and Salt
Ranking Beef Muscles for Warner-Bratzler Shear Force and Trained Sensory Panel Ratings

New Technology
Hyperspectral Imaging: A Non-Invasive Technique to Predict Beef Tenderness
Evaluating Use of Urinary Purine Derivative to Creatinine Ratio as an Estimate of Microbial Protein Production in Steers
Diurnal and Dietary Impacts on Purine Derivative Excretion from Spot Samples of Urine
Chronic Exposure of Ruminal Fluid Cultures to Treatments That Inhibit Methanogenesis
Comparison of In Vivo Digestibility to In Vitro Digestibility of Five Forages Fed to Steers
Using a Modified In Vitro Procedure to Measure Corn Bran Buoyancy
Vascular Endothelial Growth Factor Inhibitory Isoform Is Regulated Prior to Ovulation
Inhibition of Vascular Endothelial Growth Factor Manipulates Follicles in Beef Females

Statistics Used in the Nebraska Beef Report and Their Purpose