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2002 Proceedings

Graduate Student Competition

Ability of the Uterus in Anestrous Ewes to Resist Infection

- L.E. Mink, M.C. Wulster-Radcliffe, and G.S. Lewis

Selenium Concentration and Distribution in Range Forages from Four Locations in the Northern Great Plains

- T.L. Lawler, J.B. Taylor, E.E. Grings, J.W. Finley, and J.S. Canton

Evaluation of Hemogram Values and Pulse Oximetry as Predictors of Pulmonary Arterial Pressure (PAP) Score in Yearling Bulls

- J.K. Ahola, B.L. Golden, R.M. Enns, J.C. Whittier, E.R. Downing, T. Holt, and P. Perkins

The Effects of Copper Source and Concentration on Lipid Metabolism in Growing and Finishing Steers

- L.R. Johnson, T.E. Engle, and C.K. Swenson

40-Year Trends in the Tucumcari New Mexico Performance Bull Test

- M.D. Garcia, M.G. Thomas, R.M. Enns, and W.R. Parker

Increases in Vascular Endothelial Growth Factor (VEGF) During the Second Trimester of Gestation are Correlated with Calf Birth Weight in Beef Heifers

- K.A. Vonnahme and S.P. Ford

Altered Steroid Profiles of Beef Cows During and After MGA(Select or 7-11 Synch and Resulting Differences in Interval to Estrus

- J.E. Stegner, F.N. Kojima, J.F. Bader, B.E. Salfen, M.R. Ellersieck, M.C. Lucy, M.F. Smith, and D.J. Patterson

Cow Efficiency and Calf Growth to Weaning of Purebred Wagyu and Angus Cows with Purebred and Reciprocally Crossed Calves

- P.L. Rogers, C.T. Gaskins, and K.A. Johnson

Factors Influencing the Shedding of Escherichia Coli and Salmonella Spp. in Holstein Cattle

- A.C. Fitzgerald, T.S. Edrington, T.R. Callaway, R.O. Elder, J.D. Thomas, R.C. Anderson, D.J. Nisbet, and M.L. Looper

Effects of Dietary Vitamin E Supplementation on Lipid Oxidation and Sensory Characteristics of Irradiated High-Fat and Low-Fat Beef Patties

- K.A. Stith, H.D. Woody, M.J. Roeder, T. Headrick, H.L. Ashraf, S. Ohene-Adjei, and R.A. Roeder

Effect of Follicle Size at Time of GnRH-Induced Ovulation on Luteal Function and Fertility

- G.A. Perry, T.W. Geary, M.C. Lucy, and M.F. Smith

Strategies to Reduce Antibiotic Residues in Market Dairy Cows

- C.A. Rogers, A.C. Fitzgerald, M.A. Carr, B.R. Covey, J.D. Thomas, and M.L. Looper

The Influence of Cow Age on Grazing Distribution and Utilization of Mountain Riparian Areas and Adjacent Uplands

- J.A. Morrison, T. DelCurto, C.T. Parsons, G.D. Pulsipher, and E.S. Vanzant

Increasing Glucogenic Precursors in Range Supplements Fed to Young Postpartum Beef Cows Shortens Postpartum Interval

- R.C. Waterman, L.A. Stalker, W.D. Bryant, J.E. Sawyer, D.E. Hawkins, E.E. Parker, S.H. Cox, J.A. Hartung, F. Valdez, J. Horton, and M.K. Petersen

Effects of Exogenous Phytase on Growth Performance and Carcass Characteristics on Finishing Beef Steers

- P.L. Loza, T.L. Stanton, D. Schutz, and A.R. Rhoads

Resumption of Postpartum Ovarian Cycling Activity in First-Calf Restricted Suckled Beef Vows Exposed to a Bull or Excretory Products of Bulls

- P.S. Joshi, J.G. Berardinelli, K. Anderson, A. Jacobs, and R. Adair

Influence of Undegradable Intake Protein Mixed with Mineralized Salt on Intake and Fermentation Profiles of Cows Grazing Dormant Winter Range

- L.A. Stalker, J.E. Sawyer, M.G. Thomas, M.D. Remmenga, C. Bailey, D. Wood, and M.K. Petersen

Pasture, Feedlot, and Carcass Responses to Grazing Management and Protein Supplementation of Beef Steers Summer-Grazed on Old World Bluestem

- T.N. Bodine, P.D. Kircher, H.T. Purvis II, G.W. Horn, and C.J. Ackerman

Nutritional Manipulation of Reproduction and Growth Parameters of Beef Cows and Subsequent Offspring

- B.J. Renquist, J.W. Oltjen, R.D. Sainz, J.M. Connor, and M.L. Sween

Trace Mineral Impact on Reproductive Performance, Immune Response, and Calf Performance in Grazing Beef Cattle

- D.S. Baker, T.E. Engle, J.C. Whittier, P.D. Burns, R.G. Mortimer, D.N. Schutz, and M. Enns


Behavior

Effects of Rearing from the Second Week to Weaning on Heifers Behavior in Maze Learning Ability Tests

- J. Broucek, C.W. Arave, T.H. Friend, M. Uhrincat, S. Mihina, P. Kisac, A. Hanus, and S. Marencak

The Relationship Between Bos Taurus Feedlot Cattle Temperament and Cannon Bone Measurements

- J.L. Lanier and T. Grandin

Use of Naloxone Challenge to Predict Sexual Performance of Rams at 8 and 17 Months of Age

- J.N. Stellflug


Breeding and Genetics

Predicted Rate of Inbreeding for a Closed Line of Hereford Cattle

- B. Tseveenjav, A. Maiwashe, B.L. Golden, and H.D. Blackburn

Effects of Stressful Hot Conditions on Milk Yield and Reproductive Traits of First Lactation Cows Grouped by Coat Color

- L.G. SanJuan, J. Rodriguez, A.P. Marquez, M. Montaño, H.G. Gonzalez, and J.N. Guerrero

Comparison of Scrotal Circumferences of Limousin Sires Mated to Dams Involving Inheritance of Limousin in a Herd Representative of the Dersertic Rangelands at the North of Mexico

- A.P. Marquez, J. Rodriguez, J.F. Ponce, M. Montaño, J.C. Trejo, H.G. Gonzalez, and J.N. Guerrero

Estimates of Genetic and Reproductive Parameters in a Holstein Dairy Herd in the Desertic Region at the Northwestern of Mexico

- A.P. Marquez, A.A. Quintana, J. Rodriguez, J.F. Ponce, O.S. Cobos, M. Montaño, H.G. Gonzalez, and J.N. Guerrero

Estimates of Genetic Parameters for Birth Weight in Crossbred Calves Jersey x Holstein

- A.P. Marquez, J.M. Bañuelos, M. Montaño, J. Rodriguez, H.G. Gonzalez, and J.N. Guerrero

Comparison of Component EPD Between Herefords with High Versus Low Values for a Maternal Productivity Index

- D.H. Crews, Jr.

Quality of Sperm Morphology in Angus Yearling Bulls May Be Related to Hair Whorl Shape

- M. Meola, T. Grandin, P.D. Burns, and R.G. Mortimer

Genetic Distance Between a Multi-Breed Composite and Two Inbred Lines of Hereford Cattle

- C.G. Kealey, M.D. MacNeil, and B.L. Golden

A Genome-Wide Scan for QTL Affecting Carcass Traits at Constant Fat Depth in a Hereford x Composite Double Backcross Population

- M.D. MacNeil and M.D. Grosz

Carcass Characteristics of Steers Sired By High Marbling EPD or High Percent Retail Product EPD Bulls

- K.C. Davis, M.W. Tess, R.P. Ansotegui, and S. Yamamoto

Genetic Variation of Domestic Reindeer and Wild Caribou (Rangifer Tarandus)

- M.A. Cronin, J.C. Patton, and M.D. MacNeil

Average Effect of Gene Substitution for Milk Protein Loci on First Lactation Production in Dairy Cattle

- A. Barreras, J.C. Cruz, and O. Robinson


Environment

Effects of Three Natural Occurring Sterodial Glycoalkaloids from Potatoes (Solanum Tuberosum) on In Vitro Bovine Embryo Development

- S. Wang, K.E. Panter, W. Gaffield, R.C. Evans, and T.D. Bunch

Seroprevalence of Respiratory Infectious Diseases in Breeding Cattle in Northwest Mexico

- F.J. Monge, A. Barreras, and S. Cueto

Frequency Distribution and Risk Factors Associated to Presence of Bovine Tuberculosis in Dairy Cattle of Baja California, Mexico

- G. López, H. Magdaleno, A. Barreras, R. Searcy, and E. Sanchez

Center for Animal Agriculture and Community Enhancement

- J.G. Davis

Incidence of Genetic Susceptibility to Scrapie in Selected Purebred and Commercial Flocks

- B.M. Alexander, R.H. Stobart, W.C. Russell, K.I. O’Rourke, A.N. Taylor, and G.E. Moss

Effects of Thyroid Inhibition During Gestation on Serum Thyroxine and Weight Responses of Fine-Wool Ewes

- J.L. Duffey, D.M. Hallford, C.A. Gifford, and R.L Rosencrans

Feeding Value of Cholla Cactus

- R.L. Endecott, J.E. Sawyer, V.A. Munn, C.A. Löest, and M.K. Petersen

Serum Thyroxine Profiles and Environmental Conditions During Three Stages of the Reproductive Cycle of Rambouillet Ewe Lambs in Southern New Mexico part 1 part 2

- C.A. Gifford, N.H. Wells, J.A. Hernandez, J.L. Duffey, R.L. Rosencrans, and D.M. Hallford

Comparison of Progesterone Containing Sponge and Controlled Internal Drug Releasing Device Pessaries on Estrous Behavior and Pregnancy in Sheep

- T.J. Stow, B.R. Faris, T.T. Ross, and M.L. Looper

Fenceline Contact of Beef Calves with Their Dams at Weaning Reduces the Negative Effects of Separation on Behavior and Growth Rate

- E.O. Price, J.E. Harris, R.E. Borgwardt, M.L. Sween, and J.M. Connor

Impacts of Implants on Carcass Quality and Gross Income

- C.J. Ackerman, R.R. Mills, R.L. Dickson, S.I. Paisley, and M.J. Fisher

Daily vs. Alternate Day Supplementation of Soybean Meal or Wheat Middlings to Steers Consuming Low Quality Hay

- T.R. Shirley, C.J. Ackerman, G.D. Pulsipher, T. DelCurto, C.S. Schauer, and T.A. Currier

An Evaluation of Production Efficiency in a Cow/Calf System Designed to Add Value

- R.V. Anderson, R.J. Rasby, T.J. Klopfenstein, and C.N. Macken

Effects of Ph on Survival of Escherichia Coli O157:H7 in Continuous Cultures of Rumen Contents part 1 part 2

- B.H. Thran, H.S. Hussein, D. Redelman, and G.C.J. Fernandez

Using Sheep in Grain Production Systems to Reduce Pesticide Use:  I. Control of Wheat Stem Sawfly Infestations in Wheat Stubble

- H.B. Goosey, T.M. Spezzano, P.G. Hatfield, S.L. Blodgett, P.M. Denke, and R.W. Kott

Surveillance System in Abatoirs for the Detection of Bovine Tuberculosis During 1995 to 1998, in Baja California, Mexico

- M. Montañol, R. Searcy, and G. López

Predicting the Time of Parturition in Spring Calving Beef Cows

- J.R. Jaeger, K.C. Olson, T. DelCurto, and A. Qu

Using Sheep in Grain Production Systems to Reduce Pesticide Use:  II. Comparing Stubble Grazing with Tillage and Burning on Weed and Soil Characteristics

- T.M. Spezzano, H.B. Goosey, P.G. Hatfield, S.L. Blodgett, P.M Denke, and R.W. Kott

Evaluation of Drought Management Strategies for Cow-Calf Enterprises:  A Practical Predictor of Growing Season Forage Production

- R.E. Kruse, M.W. Tess, R.K. Heitschmidt, J.A. Paterson, and K. Clement

Effects of Water Quality on Performance and Health of Growing Steers

- H.H. Patterson, P.S. Johnson, T.R. Patterson, D. B. Young, and R. Haigh

Early Weaning Effects on Feedlot Performance and Carcass Quality:  A Meta-Analysis

- A.D. Jinks, B.J. Renquist, and J.W. Oltjen


Extension Symposium

Cattle College:  Bringing the Yellow Book to Life on the Coast -- A Multi-State Collaboration

- J. Harper, A. Ruddell, S. Larson, and G. Markegard

Composting of Bovine Mortalities on New Mexico Dairies

- M.L. Looper, A.C. Fitzgerald, and C.A. Rogers

Do-It-Yourself Comprehensive Nutrient Management Plan Workshops for Livestock Producers

- J.G. Davis, K.C. Iversen, J. Andrews, J.L. Sharkoff, H. Horner, P. Shelton, G. Brown, and B. Stevens

Utah’s Intermountain Beef 3910 Workshop -- Partnering with Industry in Extension Education

- D.R. ZoBell, D. Whittier, C. Kim Chapman, C. Burrell, C. Bagley, and K. Heaton

Producing Consumer Products from Sheep:  The Sheep Safety and Quality Assurance Program

- D.L. Roeber, K.E. Belk, S.B. LeValley, J.A. Scanga, J.N. Sofos, P. Rodgers, and G.C. Smith

Adding Value to Culled Beef Cows

- J.E. Sawyer and C.P. Mathis

University Response to a Community Natural Resource Crisis

- R.L. Hathaway, W.S. Braunworth, S.K. Cartwright, T.J. Gallagher, and P.C. Case

An Extension Program for Toxic Plant Management in Texas Using Integrated Pest Management (IPM)

- B.B. Carpenter, C.R. Hart, J.C. Reagor, and A.C. Barr


Growth

Effects of Isocupressic Acid (ICA), the Abortifacient Toxin from Ponderosa Pine Needles, on In Vitro Bovine Oocyte Maturation and Subsequent Embryo Development

- S. Wang, K.E. Panter, D.R. Gardner, R.C. Evans, and T.D. Bunch

Heifer Development Within Three Seasons of Calving

- E.E. Grings, R.E. Short, T.W. Geary, and M.D. MacNeil


Meat Science

Comparison of Acidic and Alkaline Catalysts for Preparation of Fatty Acid Methyl Esters from Ovine Muscle with Emphasis on Conjugated Linoleic Acid table 1 table 2 table 3

- C.M. Murrieta, B.W. Hess, and D.C. Rule

Effects of Corn and Barley Based Diets on Meat Characteristics

- C.J. Bergner, J.A. Boles, J.G.P. Bowman, D.L. Boss, L.M.M. Surber, T. Spinner, and K. Groenlund

Sheep Pathogen Reduction Interventions and Animal Production Food Safety Practices

- S.B. LeValley, E.A. Duffy, K.E. Belk, J.D. Tatum, J.N. Sofos, G.C. Smith, and C.V. Kimberling

Predicting Retail Yield of Crossbred Bulls

- N. Torrentera, H. Perez, and R.A. Zinn


Non-Ruminant Nutrition

Bioavaliability of Venezuelan Sedimentary Phosphates in Swine Feeding

- S. Godoy and C.F. Chicco

Fermentation Characteristics of Soluble Fiber Sources Incubated with Colonic Bacteria from Dogs and Cats

- Y. Chiang, H.S. Hussein, H. Han, B.W. Wolf, V. Edirveerasingam, and T. Shenkoru


Pastures And Forages

Influence of Different Levels of Urea Supplementation when Beef Cows Grazing Winter Pasture are Supplemented at Different Frequencies During the Prepartum Period

- C.G. Farmer, R.C. Cochran, and T.A. Wickersham

Comparison of Urea and Biuret as Nitrogen Supplements to Low-Quality Forage:  Daily and Alternate Day Supplementation Effects on Efficiency of Nitrogen Use in Lambs

- T.A. Currier, D.W. Bohnert, S.J. Falck, and S.J. Bartle

Comparison of Urea and Biuret as Nitrogen Supplements to Low-Quality Forage:  Daily and Alternate Day Supplementation Effects on Digestion and Ruminal Fermentation in Steers

- T.A. Currier, D.W. Bohnert, S.J. Falck, C.S. Schauer, and S.J. Bartle

Effect of a Fibrolytic Enzyme Preparation on Intake and Digestibility of Bluegrass Seed Straw Fed to Beef Cattle

- J.L. Szasz, T.M. McCalmant, C.W. Hunt, A.V. Grove, and L.R. Kennington

Western Center for Integrated Resource Management’s Dynamic Approach to a Master’s Program at Colorado State University

- K.E. Miller, R.K. Peel, J.C. Whittier, and G.D. Niswender

Effect of Bale Density, Moisture Content, and Ammoniation Level on In Situ Degradability of Bluegrass Straw

- A.V. Grove, C.W. Hunt, and R. Lewis

Effect of Particle Length of Forage on Digestibility, Degradability, and Ruminal Parameters in Sheep Fed with Basal Oat Straw Diet

- H.G. González, O.B. Ruiz, L.C.S.V. Velez, C.L. Holguín, A.E. Orozco, A.P. Márquez, A.C. Correa, V.V. González, H.C. Hernández, and L. B. Gerlach

Effect of Particle Length of Forage on Digestibility, Degradability, and Ruminal Parameters in Steers Fed with Basal Oat Straw Diet

- H.G. González, O.B. Ruiz, L.C. De la Vega, A.P. Márquez, A.C. Correa, A.E. Orozco, E.T. Rubio, I.G. Ramos, E.S. Garcia, and H.C. Hernández

Digestibility and Ruminal Parameters in Steers Fed With a Basal Oat Straw Diet and Supplemented with Alfalfa

- H.C. Hernández, H.G. González, O.B. Ruiz, N.E. Bujanda, N.A. Loya, A.E. Orozco, E.T. Rubio, O.R. Barrozo, R.G. Reyes, and H.S. Armendáriz

Evaluation of Barley from the Core Collection of the USDA National Small Grains Collection for Forage Quality and Yield

- L.M.M. Surber, J.G.P. Bowman, W.L. Bengochea, P.F. Hensleigh, and T.K. Blake

Effect of Soil Addition to Feces on Acid Detergent Insoluble Ash

- L.A. Appeddu and T.N. Bodine

Comparison of Techniques and Grinding Size to Estimate Digestibility of Forage Base Ruminant Diets

- D. Damiran, T. DelCurto, D.W. Bohnert, G.D. Pulsipher, and S.L. Findholt

Snakeweed (Gutierrezia Spp.) Consumption by Grazing Beef Cattle

- S.H. Cox and T.T. Ross

Effect of Sheep Grazing or Mowing on the Control of Perennial Pepperweed (Lepidium Latifolium L.)

- C.M. Williams, D.W. Holcombe, D.R. Hanks, J.R. Allen, L.B. Bruce, B.L. Perryman, and G.C.J. Fernandez

Comparison of Immediate Washing with Storing Frozen and Subsequent Thawing and Washing on In Situ Residues of DM, OM, N, and ADF from Ruminally Incubated Dacron Bags

- T.N. Bodine, H.T. Purvis II, and R.G. Basurto

Energy Supplementation of Steers Grazing Early-Season, Native Range:  Effects On Grazing and Subsequent Finishing Performance and Carcass Merit

- S.P. Montgomery, D.A. Blasi, J.C. Forcherio, and R.R. Scott

Growth and Reproductive Performance of Holstein Heifers as Affected by Ruminal Degradation of Supplemental Protein part 1 part 2

- J.P. Tanner, H.S. Hussein, H. Han, S.L. Lake, and D.H. Hanks

Effect of Windrow Grazing Versus Feeding Baled Hay on Forage Quality and Animal Performance

- V. Nayigihugu, B.W. Hess, D.W. Koch, and J.W. Flake

Nutritional Quality of Windrowed and Standing High-Sugar Corn Forage

- V. Nayigihugu, B.W. Hess, D.W. Koch, and J.W. Flake

A Comparison of Techniques for Estimating Forage Digestion Spreadsheet

- E.J. Scholljegerdes, V. Nayigihugu, B.W. Hess, and P.A. Ludden

Grazing Lambs Control Insects in Alfalfa

- J.N. Guerrero, E.T. Natwick, M.I. Lopez, and A.R. dos Santos


Physiology

Effects of Cyclopamine, a Veraturm Alkaloid, and it’s Synthetic Analog, Cyclopamine-4-ENE-3-ONE, on In Vitro Bovine Oocyte Maturation and Subsequent Embryo Development

- K.E. Panter, S. Wang, W. Gaffield, L.F. James, R.C. Evans, and T.D. Bunch

Characterization of Estrous Behavior in Muskox Cows

- M.P. Shipka, M.C. Sousa, and J.E. Rowell

Changes in Reticular and Rectal Temperature During the Periestrous Period in Cows

- P.D. Burns, W.R. Wailes, Jr., and P.B. Baker

Effect of Fishmeal Supplementation on Fertility in Young Beef Cows Grazing Pasture

- P.D. Burns, E.R. Downing, T.E. Engle, J.C. Whittier, and R.M. Enns

Comparison of Two Synchronization Protocols on Estrous Characteristics, Synchronization Rates, and Conception Rates of Beef Heifers

- C.A. Rogers, T.W. Drummond, H.L. Vaughn, R. Flores, C.P. Mathis, and M.L. Looper

Synchronization of Estrus in Beef Cows Using Long-Term MGA® Select-Synch with Estrus AI or Timed AI 78 or 96 h After PG With or Without a Second GnRH Injection

- J.K. Ahola, J.C. Whittier, G.E. Seidel Jr., R.S. Walker, and G. Sides

Evaluation of Melengestrol Acetate/Prostaglandin (MGA/PGF), Select Synch, and 7 D MGA/Select Synch Estrous Synchronization Protocols in Beef Heifers

- R.N. Funston, R.P. Ansotegui, R.J. Lipsey, and T.W. Geary

Evaluation of Pituitary Responsiveness to GnRH and GHRH as Predictors of Reproductive Performance in Heifers

- K.L. Shirley, M.G. Thomas, D.M. Hallford, R.M. Enns, L.A. Narro, M.D. Garcia, and J.A. Winder

A Fixed-Time AI Program for Beef Cows with 7-11 Synch

- F.N. Kojima, J.E. Stegner, B.E. Salfen, R.L. Eakins, M.F. Smith, and D.J. Patterson

Serum Thyroxine and Ovarian Cyclicity in Rambouillet Ewes Receiving Decreasing Dosages of Propylthiouracil Before Onset of Anestrus

- J.A. Hernandez, D.M. Hallford, and N.H. Wells

MGA® Select Improves Estrus Response in Postpartum Beef Cows in Situations Accompanied with High Rates of Anestrus

- D.J. Patterson, J.E. Stegner, F.N. Kojima, and M.F. Smith

An Evaluation of MGA-Select Treatment to Synchronize Estrus in Postpartum Beef Cows

- E.R. Downing, J.C. Whittier, L.D. Downing, P.D. Burns, and G.E. Seidel

Effects of Feeding High Linoleate Safflower Seeds Prepartum on Leptin Concentration, Weaning, and Re-Breeding Performance of Beef Heifers

- T.W. Geary, E.E. Grings, M.D. MacNeil , and D.H. Keisler

Precision-Cut Liver Slice Methodology For Study of Snakeweed Toxicity

- R.L. Ashley, J.R. Strickland, T.T. Ross, A.K. Clayshulte, and M.A. Siepel

Ontogeny of Adiposity, Serum Leptin, and Hypothalamic-Pituitary Expression of the Leptin Receptor in Wethers Treated with Zeranol.  

- L.A. Narro, M.G. Thomas, G.A. Silver, K.J. Rozeboom, D.H. Keisler

Influence of Supplementation with Safflower Seeds on Prostaglandin F Metabolite in Serum of Postpartum Beef Cows

- M.H.J. Grant, B.W. Hess, J.D. Bottger, D.L. Hixon, E.A. Van Kirk, B.M. Alexander, T.M. Nett, and G.E. Moss

Swainsonine Toxicokinetics of Acute Versus Subacute Oral Exposure in Sheep

- A.K. Clayshulte, J.R. Strickland, R.L. Ashley, M.A. Siepel, and M.D. Remmenga

Preliminary Postmortem Findings in Catheterized Vessels in Sheep

- M.L. Barraza, J.R. Strickland, H. Zepeda, and C.R. Krehbiel

Swainsonine Effects on Para-Aminohippuric Acid Clearance in Wethers Consuming a Locoweed/Blue Grama Hay Diet

- M.A. Siepel, J.R. Strickland, A.K. Clayshulte, R.L. Ashley, and M.D. Remmenga

Influence of Short-Term Fasting on Thyroxine and Insulin Secretion in Ewes

- M. McFarland, D.M. Hallford, E.A. Van Kirk, Z. Kiyma, and G.E. Moss

Effects of Varying Energy Intake and Sire Breed on Duration of Postpartum Anestrus, IGF-1 and Gh in Mature Crossbred Cows

- A.J. Roberts and T.G. Jenkins

Effects of Exposure to Bull or Excretory Products of Bulls on the Breeding Performance of First-Calf Restricted Suckled Beef Cows Using a Modified Co-Synch Protocol

- K.A. Anderson, J.G. Berardinelli, P.S. Joshi, and B. Robinson

Effect of Time Duration of MGA Pre-Feeding on Estrous Response and Pregnancy Rate in Beef Heifers when Synchronized with Select Synch

- D.S. Baker, W.M. Mackay, J.C. Whittier, M. Osborne, and P.D. Burns

Effect of Incorporating a Low Dose of Estradiol Cypionate (ECP) into a Timed Artificial Insemination Protocol on Estrous Behavior and Conception Rates in Beef Cattle

- A. Ahmadzadeh, G.A. Johnson, D.G. Falk, A.V. Grove, and J.B. Glaze

Using Body Surface Temperature to Predict Calving

- C.L. Coppola, R.J. Collier, and R.M. Enns

Evaluation of Thermal Status of Cattle Using Infrared Technology

- C.L. Coppola, R.J. Collier, and R.M. Enns

Use of MGA or MGA Plus ECP to Resynchronize Estrus in Previously Inseminated Beef Heifers of Unknown Pregnancy Status

- S.K. Johnson and J.S. Stevenson

Dexamethasone (DEX) Effects on Pig Lymphocyte Proliferation and Immunoglobulin (IgM) Production In Vitro

- C.A. Davila, T.H. Welsh Jr., and J.C. Laurenz

Residual Feed Intake in Beef Steers: II. Correlations with Hematological Parameters and Serum Cortisol

- C.M. Theis, G.E. Carstens, R.J. Hollenbeck, M.W. Kurz, T.M. Bryan, L.J. Slay, R.D. Randel, and T.H. Welsh

Effects of Introduction of Bulls at Different Days Postpartum and Restricted Suckling on Resumption of Ovarian Cycling Activity in First-Calf Beef Cows

- J.G. Berardinelli, P.S. Joshi, B. Robinson, K. Anderson, and R. Adair


Ruminant Nutrition

Forage Type and Concentrated Separator By-Product Effects on Intake, Site of Digestion, and Microbial Efficiency in Beef Steers

- T.D. Maddock, J.E. Leonard, M.L. Bauer, G.P. Lardy, V.I. Burke, T.C. Gilbery, and J.S. Caton

Influence of Nutridense Corn on Intake, Digestion, and Nitrogen Retention by Ruminants

- M.H. Knight, J.S. Caton, G.P. Lardy, and M.L. Bauer

Effects of Concentration and Source of Trace Minerals on Performance, Immunity, Mineral and Lipid Metabolism, and Carcass Characteristics of Beef Steers

- A. Rhoads, T.L. Stanton, T.E. Engle, and C.V. Kimberling

Effects of Finishing System (Confinement vs. Pasture), Supplemental Fat, and Copper on Performance, Carcass Characteristics, and Lipid Metabolism in Finishing Steers

- M.K. Woolley, T.E. Engle, and J.W. Spears

Effect of Added Degradable intake Protein on Performance of Cattle Fed Corn or Barley-Based Finishing Diets

- L.R. Kennington, C.W. Hunt, D.D. Hinman, J.I. Szasz, and S.J. Sorensen

Effects of Copper Source and Concentration on Performance, Copper Status, and Immune Function in Growing and Finishing Feedlot Steers

- K.L. Dorton, T.E. Engle, D.W. Hamar, P.D. Siciliano, and R.S. Yemm

Effects of Gestational Status on Apparent Absorption and Retention of Copper and Zinc in Cows and Ewes

- M.M. Vierboom, T.E. Engle, P.D. Siciliano, and C.V. Kimberling

Effect of Ruminal Protein Degradability and Supplementation Frequency on Lamb Growth and Gastrointestinal Organ Mass

- P.A. Ludden, D.E. Carter, V. Nayigihugu, E.J. Scholljegerdes, R.S. Townsend, B.W. Hess, and D.C. Rule

Effect of Level of Supplemental Degradable Intake Protein and Carbohydrate Types on Low-Quality Forage Utilization by Beef Steers

- J.I. Arroquy, R.C. Cochran, M. Villarreal, T.A. Wickersham, D.A. Llewellyn, E.C. Titgemeyer, and D.E. Johnson

Effect of 7-Day Pre-Harvest 40-G Betaine Regimen on Dressing Percent of Feedlot Steers

- B.J. Bock, J.R. Brethour, S. R. Goodall

Effect of High Selenium Feeds on Selenium Status in Finishing Beef Steers

- J.B. Taylor, T.L. Lawler, J.W. Finley, and J.S. Caton

Influence of Flake Thickness of Temper Roasted Rolled Barley on Beef Cattle Feedlot Performance

- D.D. Hinman and S.J. Sorensen

Comparison of Elk (Cervus Elaphus) Fecal and Rumen Microbial Suspension to Predict Feed Degradation and Adaptation

- M. Blümmel, R.E. Short, and E.E. Grings

In Situ Ruminal Digestion Rate of Dry Matter, Protein, and Starch as Influenced by Roasted Wheat Flake Thickness

- S.J. Sorensen and D.D. Hinman

Dietary Phosphorus Requirements of Calf-Fed Holstein Steer During the Early Growing Period

- R.A. Zinn, J. Rosales, and J.F. Calderon-Cortes

Residual Feed Intake in Beef Steers:  I. Correlations with Performance Traits and Ultrasound Measures of Body Composition

- G.E. Carstens, C.M. Theis, M.B. White, T.H. Welsh, Jr., B.G. Warrington, R.D. Randel, T.D.A. Forbes, H. Lippke, L.W. Greene, and D.K. Lunt

Determination of Free Amino Acids in Serum by Capillary Gas Chromatography

- L. Chen, W. Allen, and J.R. Strickland

The Effect of Various Extrusion Temperatures on Protein Utilization of Canola Meal

- J.A. Southwick, R.O. Kellems, N.P. Johnston, D.L. Eggett, and B.L. Webb

Methylglyoxal:  A Novel Tool to Assess Nitrogen Status of the Rumen

- S.L. Lodge-Ivey, M.K. Petersen, and T. May

Influence of Barley Grain Processing on the Site and Extent of Digestion of Feedlot Cattle

- R.A. Zinn, E.G. Alvarez, L. Corona, D.D. Hinman, M.F. Montano, A. Plascencia, and S. Sorensen

Predicting Efficiency of Microbial Production in Diets by In Situ and In Vitro Degradtion Characteristics of Diet Ingredients

- M. Blümmel, E. Zerbini, S. Fernandez-Rivera, A. Karsli, and J.R. Russell

Partial Substitution of Alfalfa Hay with Grass Hay (Sudangrass, Elephant Grass) in Diets for Lactating Dairy Cattle:  Digestive Function

- E.G. Alvarez, E. Arellano, M.A. Gastelum, V.M. Gonzalez, A. Lopez-Soto, A. Plascencia, and R.A. Zinn

Comparison of Acid Detergent Insoluble Ash (ADIA) as an Internal Marker with Total Fecal Collection to Estimate Digestibility Coefficients of Forage-Based Diets Fed to Beef Steers

- T.N. Bodine, L.A. Appeddu, H.T. Purvis II, A.F. LaManna, R.G. Basurto, and J.S. Weyers

Effect of Age and Grain Processing Method on Diet Digestibility of Beef Cattle

- B.M. Rainey, J.A. Paterson, R.J. Lipsey, R.N. Funston, G.W. Brester, and W.T. Choat

Niche-Targeted vs. Conventional Finishing Programs For Beef Steers

- J.E. Sawyer, C.P. Mathis, C.A. Loest, D.A. Walker, K.J. Malcom-Callis, L.A. Blan, and R. Taylor

Utilization of Low-Quality Forage as Affected By Beef Cow Body Condition Score

- R.D. Wiedmeier, K.C. Olson, B.A. Kent and P.R. Schmidt

Feeding Value of Barley vs. Corn in Finishing Diets

- J.J. Kincheloe, J.G.P. Bowman, L.M.M. Surber, D.L. Boss, K.A. Anderson, and T.K. Blake

Interaction of Steam Delivery Rate and Tempering on Feeding Value of Flaked Corn for Feedlot Cattle

- S. Rodriquez, J.F. Calderon-Cortes, M.Machado, A. Segoriano, R.W. Ware, and R.A. Zinn

Performance of Beef Cows Wintered on Ammoniated Wheat Straw as Affected by Limiting Intake

- R.D. Wiedmeier, K.C. Olson, B.A. Kent, and P. Schmidt

Effect of Feeding Meglac on Milk Yield, Milk Composition, Body Weight Change, and Feed Intake in Lactating Does

- I. Tovar-Luna, R. Espinosa-Santiago, and D.M. Hallford

Influence of Level of Intake on the Comparative Feeding Value of Fat in Finishing Diets for Feedlot Cattle

- A. Plascencia, E.G. Alvarez, M.F. Montano, M. Machado, S. Rodriguez, R.A. Ware, and R.A. Zinn

Effects of Level of Supplemental Soybean Oil on Duodenal Fatty Acid Flow in Beef Heifers Fed Bromegrass Hay

- E.J. Scholljegerdes, B.W. Hess, M.B. Whitney, and D.C. Rule

Effect of Increasing Levels of By-Products on In Vitro Organic Matter Digestibility of Various Quality Forages

- T.A. Baumann, J.S. Caton, V.L. Anderson, and G.P Lardy

Effects of Supplemental Corn and High-Oil Corn on Duodenal Fatty Acid Flows for Beef Heifers Grazing Summer Pasture table 1

- S.L. Lake, B.W. Hess, E.J. Scholljegerdes, L. Brokaw, and D.C. Rule

Influence of Probiotic Supplementation on Digestive Function of Cattle

- M.F. Montaño, J. Rosales, L. Corona, and R.A. Zinn

Influence of Pelletizing on the Feeding Value of Rice Straw in Growing-Finishing Diets for Feedlot Cattle

- R.A. Ware, E.G. Alvarez, M. Machado, M.F. Montano, S. Rodriquez, and R.A. Zinn

Phase Feeding Strategies to Meet Metabolizable Protein Requirements of Calf-Fed Holstein Steers

- M. Machado, J.F. Calderon, and R.A. Zinn

Effect of Supplemental Soybean Oil on Duodenal Flow of Long Chain Fatty Acids in Beef Heifers Grazing Summer Pasture

- D.E. Carter, B.W. Hess, E.J. Scholljegerdes, and D.C. Rule

Effects of Time of Daily Cracked Corn Supplementation on Site and Extent of Digestion in Cattle Grazing Summer Cool-Season Pasture

- B.W. Hess, P.A. Ludden, E.J. Scholljegerdes, and V.Nayigihugu

Influence of Level of Enzyme Supplementation on Growth Performance of Growing-Finishing Cattle

- R.A. Ware, E.G. Alvarez, J.F. Calderon, A. Plascencia, M. Machado, S. Rodriguez, J. Rosalez, A. Segoviano, and R.A. Zinn

Effects of Enzyme Feed Additive on Ruminal Degradability of Mature Forages In Vitro

- V.A. Munn, C.A. Löest, C.P. Mathis, M.K. Petersen, R.L. Endecott, T. Powers, and R.C. Waterman

Effect of Salt Levels on Growth Performance, Carcass Characteristics, Cost of Gain, and Manure Salinity on Finishing Beef Steers

- W.R. Flatt, T.L. Stanton, D. Schutz, J. Davis, and T.E. Engle

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