1999 Nebraska Beef Cattle Report

Cow/Calf
Effects of Time of Weaning on Cow and Calf Performance
Summer Grazing Date and Fall Grazing Intensity Effects on Protein Content and Digestibility of Fall Diets in the Nebraska Sandhills
Climate Affects Calf Birth Weights and Calving Difficulty
Trace Mineral Supplementation and Ovarian and Luteal Function in Pubertal Heifers
Progesterone Metabolism by the Liver and Brain During the Estrous Cycle of Heifers

Growing
Cysteine from Feather Meal and Sulfur Amino Acid Requirements for Growing Steers
Hog Hair Meal as a Protein Source for Ruminants
Pork Meat and Bone Meal Value Relative to Soybean Meal for Growing Calves
Steer Performance within Summer Grazing Systems
Calf Performance Grazing Crop Residues in Combination with Rye in Fall and Winter

Finishing
Predicting Amount of Compensatory Gain
Corn Bran, Solvent-Extracted Germ Meal, and Steep Liquor Blends for Finishing Yearlings
Corn and Sorghum Distiller Grains for Finishing Cattle
Fat Addition and Restricted Feeding of Corn Gluten Feed Diets for Cattle Exposed to Environmental Stress
Performance of Yearling Steers Fed Beet Pulp or Chicory Pulp Rations
Crude Protein and Energy Combinations for Finishing Yearling Steers
Effects of Rumensin Level and Bunk Management Strategy on Finishing Steers
Dietary Management for Starting Finishing Yearling Steers on Feed
Effects of Programmed Gain on Performance and Carcass Characteristics in Calves
Evaluation of Revalorr-G as an Initial Implant for Yearling Steers
Evaluation of Growth Promoting Systems for Heifer Calves Finished in the Feedlot
Implant Strategies on Performance and Carcass Characteristics of Finishing Steers
Feedlot Marketing/Sorting Systems to Reduce Carcass Discounts
Effects of Matching Protein to Requirements on Performance and Waste Management in the Feedlot

New Methods and Technology
N-alkane as an Internal Marker for Predicting Digestibility of Forages
Protein Evaluation of Treated Soybean Meal Products
Use of Neutral Detergent Insoluble Protein in Omasal Samples to Estimate Escape Protein

Beef Products
Hormonal Influence on Fat Synthesis in Cattle
Glycolytic Inhibition in Pre-rigor Muscle: An Alternative Method to Improve Beef Tenderness
The Relationship of Beef Primal Cut Composition to Overall Carcass Composition
Optimal Conditions of Cooler Aging for Beef

Acknowledgments

Appreciation is expressed to the following firms, associations, or agencies who provided grant support for research in the beef cattle program.

Biotal Inc., Eden Prairie, MN		Nebraska Beef Council, Kearney, NE
Cargill Corn Milling, Blair, NE		Nebraska Dept. of Agriculture, Lincoln, NE and USDA/FSMIP
Chief Industries, Hastings, NE		Nebraska Grain Sorghum Development, Utilization and
C R Minerals, Golden, CO		Marketing Board, Lincoln, NE
Elanco Animal Health, Indianapolis, IN		North Central Regional SARE Program
Fats and Proteins Research Foundation, Chicago, IL		Novus International, St. Louis, MO
Fort Dodge Animal Health, Overland Park, KS		Pfizer Animal Health
Garrison and Townsend Inc., Hereford, TX		Pioneer Hi-Bred International, Inc., West Des Moines, IA
Hoechst Roussel Agri.-Vet, Somerville, NJ		Select Sires, Plain City, OH
InterAg Inc., Hamilton, New Zealand		Soypass Royalty Funds, University of Nebraska, Lincoln, NE
Milton G. Waldbaum Co., Wakefield, NE		USDA-NRI Competitve Grants Program
Minnesota Corn Processors, Columbus, NE		U.S. Poultry and Egg Assoc., Atlanta, GA
Moorman Manufacturing Co., Quincy, IL		Zinpro Mineral Corp., Edina, MN
Navartis Seeds, Golden Valley, MN

Appreciation is also expressed to the following firms who provided products or services.

ABS Global, Inc., DeForest, WI		Liquid Feed Commodities, Fremont, NE
Cargill Corn Milling, Blair, NE		Merck AgVet Division, Rahway, NJ
Chief Industries, Hastings, NE		Minnesota Corn Processors, Columbus, NE
Darling International, Irving, TX		Moorman Manufacturing Co., Quincy, IL
Elanco Animal Health, Indianapolis, IN		National Byproducts, Des Moines, IA
Fort Dodge Animal Health, Overland Park, KS		Purdue University, Animal Science Dept., W. Lafayette, IN
Hoechst Roussel Agri.-Vet, Somerville, NJ		Rhone-Poulenc, Atlanta, GA
Chr. Hansen Biosystems, Milwaukee, WI		Sanofi Animal Health, Inc., Overland Park, KS
Iowa Limestone Co., Des Moines, IA		SEM Minerals, Quincy, IL
Lignotech, Rothschild, WI

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
Bob Broweleit	Don McClure	Rob Cooper	Martin Mussard
Jeff Bergman	Allison Miller	Deb Clopton	Clyde Naber
Roger David	Karl Moline	Galen Erickson	Ken Pearson
Dan Herold	Ken Rezac	Janet Hyde	Rose Rosario
Don Kuszak	Doug Rudeen	D.J. Jordon	Calvin Schrock
Terry Kamphaus	Keith Ruff	Ryan Mass	Candice Toombs
		Machele Miller
Gudmundsen Sandhills Laboratory, Whitman		Panhandle Research and Extension Center, Scottsbluff
Andy Applegarth	Jackie Musgrave	Nabor Guzman	Brad Van Pelt
June Emerson	Troy Smith	Paul McMillen
West Central Research and Extension Center, North Platte		Dalbey-Halleck Farm
Tom Arensdorf	Russell Sandberg	Mark Dragastin
Rex Davis
Northeast Research and Extension Center, Norfolk
Kevin Heithold	Jill Heemstra
Bob Frerichs	Mari Lubberstedt

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File MP71 under: BEEF
Issued January 1999; 3,000 printed.

Electronic version issued February 1999
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.