2002 Beef Cattle Report

Authors

Date of this Version

January 2002

Comments

Published in 2002 Nebraska Beef Cattle Report. Copyright © 2001 The Board of Regents of the University of Nebraska.

Abstract

Nebraska 2002 Beef Cattle Report Table of Contents

Cow/Calf
Weaning Date for Spring Calving Cows Grazing Sandhills Range ● Replacement Heifer Development for Spring and Summer Calving Herds ● Urinary Allantoin as an Estimate of Microbial Protein Synthesis ● Metabolizable Protein Requirements of Lactating Two-Year-Old Cows ● Use of Sexed (Female) Sperm is Successful in Yearling Heifers 12 ● Estrous Synchronization Programs for Lactating Cows

Growing
Windrow Grazing and Baled-Hay Feeding Strategies for Wintering Calves ● Forage Quality and Animal Performance of Steers Grazing Smooth Bromegrass/Legume Pastures ● Supplementing Yearling Summer-Grazing Cattle with Fat and Protein and Subsequent Feedlot Performance ● Subsequent Summer Forage Intake Following Winter Gain Restriction

Finishing
Longitudinal Patterns of Fecal Shedding of Escherichia coli O157:H7 by Feedlot Cattle ● Implant Programs for Feedlot Heifers Using Synovex® PlusTM, Revalor®-H, or Finaplix®-H with MGA ● Summary of Implant Programs or Feedlot Heifers Using Synovex® PlusTM or Finaplix®-H with MGA ● Sorting Strategies in an Extensive Forage Utilization Beef Production System ● A Simulated Economic Analysis of Altering Days on Feed and Marketing Cattle on Specific Value-Based Pricing Grids ● Economic Analysis of Calf Versus Yearling Finishing ● Phosphorus Requirement of Finishing Feedlot Calves ● Liming Effects of Beef Cattle Feedlot Manure and Composted Manure ● Effect of Sawdust or Acid Application to Pen Surfaces on Nitrogen Losses from Open-Dirt Feedlots ● Corn Bran Level in Finishing Diets and N Losses from Open-Dirt Pens ● Effect of Sprinkling on Heat Stressed Heifers ● Effect of Altered Feeding and Sprinkling on Performance and Body Temperature of Steers Finished in the Summer ● Effect of Fiber Level in Finishing Diets on Diet Digestibility and Corn Silage Impact on Bacterial Crude Protein Production ● Crude Protein and Wet Corn Gluten Feed Levels for Steam Flaked Corn Finishing Diets ● Type of Corn Bran and Corn Processing Method in Beef Finishing Diets ● Effects of Rumensin Level During an Acidosis Challenge

Beef Products
The Effects of Marination and Cook Cycles on High and Low pH Beef Muscles ● Factors Influencing Color Development in Beef ● Using Lean Color and Marbling Score to Sort Beef Carcasses into Tenderness Groups ● Use of Sodium Citrate to Enhance Tenderness and Palatability of Pre-rigor Beef Muscles ● Oral Dosage from NutroCALTM (Calcium Propionate) to Enhance Beef Tenderness ● Effect of Conjugated Linoleic Acid on Insulin Sensitivity ● Influence on Body Fat of Linoleic Acid Isomers ● Evaluation of Calcium Propionate as a Nutrient to Prevent Dark Cutting Beef

Published by Agricultural Research Division, University of Nebraska Cooperative Extension Institute of Agriculture and Natural Resources, University of Nebraska-Lincoln