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Breeding and Genetics

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Preliminary Analysis of Data from the Iowa Beef Tenderness and Carcass Evaluation Project, J. A. Minick, D. E. Wilson, and D. R. Strohbehn (ASL R1739)

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Heritability and Correlation Estimates of Carcass Data from Angus-Sired Steers, Jennifer A. Minick, Doyle E. Wilson, M. E. Dikeman, and E. J. Pollak (ASL R1738)

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Carcass EPDs from Angus Heifer Real-time Ultrasound Scans, Doyle E. Wilson, Gene H. Rouse, and Craig L. Hays (ASL R1736)

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Comparison of Sire Carcass EPD Rankings Using Real-time Ultrasound Measures from Yearling Angus Bulls Versus Using Measures from Developing Angus Heifers, Doyle E. Wilson, Gene H. Rouse, and Craig L. Hays (ASL R1735)

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Genetic Relationship between Live Animal Ultrasound Measures and Scrotal Circumference in Yearling Angus Bulls, Doyle E. Wilson, Gene H. Rouse, and Craig L. Hays (ASL R1737)

Feedlot Nutrition and Nutrition Management

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Effect of MGA on Performance, Sexual Behavior, Carcass Quality and Tenderness in Mixed-Sex Pens of Cattle, Darrell Busby, Dan Loy, and Gene Rouse (ASL R1743)

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Soil Infiltration and Wetland Treatment of Feedlot Runoff, Jeffery Lorimor (ASL R1744)

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Effects of Feeding Cobalt Dextro Lac (CDL) on Feedlot Performance and Carcass Value of Finishing Steers Fed Wet Corn Gluten Feed, Allen Trenkle (ASL R1741)

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Effects of Sorting Steer Calves on Feedlot Performance and Carcass Value, Allen Trenkle (ASL R1740)

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The Effects of Feeding a Live Microbial Product on Feedlot Performance and Carcass Value of Finishing Steers Fed Wet Corn Gluten Feed, Allen Trenkle (ASL R1742)

Financial Management

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Live Cattle Futures and Options: How Have They Done?, John D. Lawrence (ASL R1754)

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Profiting from the Cattle Cycle: Alternative Cow Herd Investment Strategies, John D. Lawrence (ASL R1753)

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Financial Benchmarks for Beef Producers, Ralph Mayer (ASL R1752)

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Critical Control Points for Profitability in the Cow-Calf Enterprise, A. J. Miller, D. B. Faulkner, R. K. Knipe, D. F. Parrett, L. L. Berger, and D. R. Strohbehn (ASL R1750)

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Standardized Performance Analysis (SPA) Summary for 1999-2000 Veterinary Medicine Students, Suelee Robbe and Daryl Strohbehn (ASL R1751)

Forage Utilization and Beef Cow Nutrition

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Effects of Corn Crop Residue Grazing on Soil Physical Properties and Subsequent Soybean Production in a Corn- Soybean Crop Rotation (A Progress Report), Justin Clark, Jim Russell, Douglas Karlen, Darrell Busby, L. James Secor, Brian Peterson, Larry Pellack, Carroll Olsen, and Shawn Shouse (ASL R1747)

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Evaluation of Year-round Forage Management Systems for Spring- and Fall-Calving Beef Cows (A Progress Report), N. A. Janovick, J. R. Russell, D. R. Strohbehn, D. G. Morrical, S. K. Barnhart, D. Maxwell, and L. J. Secor (ASL R1746)

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Sequential Grazing Systems for Beef Cattle Production, K. J. Moore, R. L. Hintz, M. H. Wiedenhoeft, E. C. Brummer, and J. R. Russell (ASL R1749)

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Effects of Grazing Crop Residues of bt-Corn Hybrids on Performance of Pregnant Beef Cows, James R. Russell, Matthew J. Hersom, Mathew M. Haan, Marc Kruse, Philip M. Dixon, Daniel G. Morrical, and Dale E. Farnham (ASL R1745)

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Beef Cow Feeding Demonstration, H. Joseph Sellers and Dennis R. Maxwell (ASL R1748)

Growth and Development

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Body Composition Changes of Angus Females from Initial Breeding through Second Parturition and Weaning Determined by Real-time Ultrasound, G. H. Rouse, D. E. Wilson, and Abebe Hassen (ASL R1757)

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Comparison of Ultrasound and Carcass Measures to Predict the Percentage of Lean Beef from Four Primal Cuts, Richard G. Tait Jr., Gene H. Rouse, Doyle E. Wilson, and Craig L. Hays (ASL R1755)

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Ultrasound Prediction Model for % Intramuscular Fat in Beef Cattle, Doyle E. Wilson, Gene H. Rouse, and Abebe Hassen (ASL R1756)

Health Management

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A Field Investigation of Tall Fescue Toxicosis in Beef Cattle in Southern Iowa, Steve Ensley and David Larson (ASL R1766)

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Investigation of the Potential Effects of Epizootic Hemorrhagic Disease Virus on Iowa Cattle, Steven D. Sorden, Perry A. Harms, Nolan Hartwig, Kevin Petersburg, Don J. Otto, and John Schiltz (ASL R1767)

Marketing

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Iowa 4-H Beef Carcass Summary—1997–2000, Darrell Busby, Daryl Strohbehn, and Mark Dikeman (ASL R1761)

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Trends Associated with Marbling Score, Fat Cover, and CAB (Certified Angus BeefTM) Acceptance Rate, Mark F. Scott, Doyle E. Wilson, and Gene H. Rouse (ASL R1758)

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Experiences with Grid Marketing - Summary of Chariton Valley Beef Sales for Year 2000, H. Joseph Sellers and Diana Bodenstiener (ASL R1759)

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A Historical Review of the 4-H Beef of Merit Carcass Contest at the Iowa State Fair, Daryl Strohbehn (ASL R1760)

Meat Science and Product Quality

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Use of Vitamin D3 and its Metabolites to Improve Beef Tenderness, Monica R. Foote, Donald C. Beitz, Ronald L. Horst, Elisabeth J. Huff-Lonergan, Allen H. Trenkle, and Frederick C. Parrish Jr. (ASL R1765)

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Effects of Feeding Calcium Salts of Conjugated Linoleic Acid (CLA) to Finishing Steers, Kevin Gassman, F. C. Parrish Jr., D. C. Beitz, and Allen Trenkle (ASL R1763)

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Conjugated Linoleic Acid (CLA) in Diets of Beef Steers Results in Higher Red Color Scores and Lower Lipid Oxidation of Irradiated Ground Beef Patties, B. R. Wiegand, K. Gassman, J. E. Swan, F. C. Parrish Jr., A. H. Trenkle, and S. T. Larsen (ASL R1764)

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The Effect on Meat Quality of Integrating Pasturing Systems into Cattle Finishing Programs, Tracy A. Williams and M. P. Hoffman (ASL R1762)

Reproduction and Physiology

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Role of the Central Nervous System in the Regulation of Pregnancy, Parturition and Lactation in Beef Heifers, Lloyd L. Anderson (ASL R1770)

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Relationship between Body Composition and Reproduction in Heifers, Jennifer A. Minick, Doyle E. Wilson, Gene H. Rouse, Abebe Hassen, Mel Pence, R. Sealock, and Steven Hopkins (ASL R1769)

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Assessment of BoviPureTM for the In Vitro Production of Bovine Embryos, K. R. Sieren and C. R. Youngs (ASL R1768)