2004 Nebraska Beef Cattle Report

Cow-Calf
An Evaluation of Economic Efficiencies of Two Beef Systems from Calving to Harvest
A System for Wintering Spring-calving Bred Heifers Without Feeding Hay
Effect of Gestation and Supplementation on Intake of Low-quality Forage

Grazing
A Review of Corn Stalk Grazing on Animal Performance and Crop Yield
Feed Values for Annual Forages in Western Nebraska
Urea Inclusion in Forage Based Diets Containing Dried Distillers Grains
Effect of Distillers Grains or Corn Supplementation Frequency on Forage Intake and Digestibility
Dried Distillers Grains as a Grazed Forage Supplement

Finishing
Effects of Corn Bran and Degradable Protein Source on Microbial Protein Estimated from Spot Urine Samples in Heifers
Effects of Corn Bran and Degradable Protein Source on Finishing Heifer Performance and Estimates of Microbial Protein Supply in High Moisture Corn Finishing Diets
Influence of Implant Regimen on Performance and Carcass Characteristics in Feedlot Steers
Delayed Implanting Improves Quality Grade in Steer Calves
Basis Variability on the Feeder Cattle Contract Versus the Failed Stocker Contract
Effect of Wet and Dry Distillers Grains Plus Solubles and Supplemental Fat Level on Performance of Yearling Finishing Cattle
Phosphorus Requirement for Finishing Heifers
Sodium Chloride Levels for Finishing Feedlot Heifers
The Influence of Corn Kernel Traits on Feedlot Cattle Performance
Evaluation of Initial Implants for Finishing Heifers
Wet Corn Gluten Feed and Alfalfa Hay Levels in Dry-rolled Corn Finishing Diets
Prediction of Net Energy Adjuster for Feedlot Cattle When Using the 1996 Beef Cattle NRC Model
Vaccination and Direct Fed Microbials as Intervention Strategies for Reduction of E. coli 0157:H7 in Feedlot Steers
Reducing Diet Digestibility and Increasing Pen Cleaning Frequency: Effects on Nitrogen Losses and Compost Nitrogen Recovery
Impact of Cleaning Frequency on Nitrogen Balance in Open Feedlot Pens
Hydrogen Sulfide Concentration in Vicinity of Beef Cattle Feedlots
Crop Performance and Soil Properties of Sites Previously Used for Production of Beef Cattle Manure Compost

Beef Products
Consumer Preference and Value of Beef with Country-Of-Origin Labeling
Consumer Acceptance and Value of Beef From Various Countries of Origin
Consumer Acceptance and Value of Wet Aged and Dry Aged Beef Steaks
Cow Muscle Profiling: A Comparison of Chemical and Physical Properties of 21 Muscles from Beef and Dairy Cow Carcasses
Carcass Traits and Palatability Attributes of Herdmates Finished as Calves or Yearling Steers

New Technology
Effect of Conjugated Linoleic Acid on Cell Death in Adipose Tissue
Conjugated Linoleic Acid Metabolism and Body Fat Loss in Mice
Effect of Age, Pregnancy, and Diet on Urinary Creatinine Excretion in Heifers and Cows

Acknowledgments

Appreciation is expressed to the following firms, associations or agencies who provided grant support for research in the beef cattle program.
Abengoa Bionergy Corp., York, NE ADM Corn Milling, Columbus, NE ARD Interdisciplinary Grants Program, UNL Cargill Corn Milling, Blair, NE Elanco Animal Health, Indianapolis, IN Fort Dodge Animal Health, Overland Park, KS Intervet, Millsboro, DE LB1206, Preharvest E. coli 0157:H7 Research, Lincoln, NE		National Cattlemen's Beef Association, Denver, CO Nebraska Corn Board, Lincoln, NE Nebraska Beef Council, Kearney, NE Nutrition Physiology Corp., Amarillo, TX J.C. Robinson Seed Co., Waterloo, NE Soypass Royalty Funds, University of Nebraska, Lincoln, NE USDA National Research Initiative Competitive Grants Program, Washington, D.C. USDA North Central Region-SARE, University of Nebraska-Lincoln, Lincoln, NE
Appreciation is also expressed to the following firms who provided products or services.
Abengoa Bioenergy Corp., York, NE Buckhead Beef, Atlanta, GA Cargill Corn Milling, Blair, NE Central Beef Ind., L.L.C., Central, FL Dakota Commodities, Scotland, SD Elanco Animal Health, Indianapolis, IN eMerge Interactive, Weatherford, OK Excel Corp., Schuyler, NE Fort Dodge Animal Health, Overland Park, KS Hi Gain Inc., Cozad, NE Intervet, Millsboro, DE Iowa Limestone, Des Moines, IA Lignotech, Rothschild, WI		Liquid Feed Commodities, Fremont, NE Mead Cattle Co., Mead, NE Nebraska Department of Environmental Quality, Lincoln, NE Packerland Packing Co., Gering, NE Packerland Packing Co., Green Bay, WI Rex Ranch, Whitman, NE Schering Plough Animal Health, Kenilworth, NJ SEM Minerals, Quincy, IL Sun Land Beef Co., Talleson, AR Tyson IBP Inc., Dakota City, NE U.S. Environmental Protection Agency, Washington, D.C. USDA Meat Grading and Certification Branch, Omaha, NE

Appreciation is also expressed to the following research technicians, unit managers, and crew involved in the research programs at our various locations.
Agricultural Research and Development Center, Ithaca			Animal Science Department, Lincoln
Jeff Bergman Mark Blackford Andrew Cizek Logan Dana Scott Gotschall	Allison Miller Karl Moline Ken Rezac Matt Sillivan Doug Watson		Jeff Folmer Tim Loy Clyde Naber Jeryl Hauptman Janet Hyde Tommi Jones Matt Luebbe	Casey Macken Robert Peterson Clint Schafer Calvin Schrock Candice Toombs Kim Whittet Casey Wilson
Gudmundsen Sandhills Laboratory, Whitman			Panhandle Research and Extension Center, Scottsbluff
Andy Applegarth Jackie Musgrave John Nollette	Ryan Sexson Troy Smith		Nabor Guzman	Paul McMillen
West Central Research and Extension Center, North Platte			Dalbey-Halleck Farm
Rex Davis	Jim Teichert		Mark Dragastin
Northeast Research and Extension Center, Norfolk
Sheryl Colgan Bob Frerichs	Kevin Heithold Lee Johnson

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File MP80-A under: BEEF
Issued January 2004; 3,000 printed.

Electronic version issued February 2004
pubs@unl.edu

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Issued in furtherance of Cooperative Extension work, Acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. Elbert C. Dickey, Director of Cooperative Extension, University of Nebraska, Institute of Agriculture and Natural Resources.

University of Nebraska Cooperative Extension educational programs abide with the non-discrimination policies of the University of Nebraska-Lincoln and the United States Department of Agriculture.