Research Series 522: Arkansas Animal Science Department Report 2004
Zelpha B. Johnson and D. Wayne Kellogg, editors

Cover and front matter
Pages 1-10
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Factors Associated with Student Grades in Animal Physiology I
M.D. Hale, Z.B. Johnson, and C.F. Rosenkrans, Jr.
Pages 11-13
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Degradation Kinetics of NDF for Crabgrass Harvested on Seven Dates in Northern Arkansas
R.K. Ogden, W.K. Coblentz, K.P. Coffey, J.E. Turner, D.A. Scarbrough, J.A. Jennings, and M.D. Richardson
Pages 14-17
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Nitrogen Value and Protein Degradation Kinetics for Crabgrass Harvested on Seven Dates in Northern Arkansas
R.K. Ogden, W.K. Coblentz, K.P. Coffey, J.E. Turner, D.A. Scarbrough, J.A. Jennings, and M.D. Richardson
Pages 18-22
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Potential Use of Fescue in Grazing Systems Using Graze-Out Small-Grain Forages and Bermudagrass
S.A. Gunter, K.S. Lusby, D.S. Hubbell III and Z.B. Johnson
Pages 23-25
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Comparison of Clean-Till to Minimum- and No-Till Systems for Production of Small-Grain Forages
K.S. Lusby, S.A. Gunter, D.H. Hubbell III, P.A. Beck, and Z.B. Johnson
Pages 26-29
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Aerobic Stability of Wheat and Orchardgrass Round-Bale Silage
R.T. Rhein, W.K. Coblentz, C.F. Rosenkrans, Jr., T.J. Sauer, and D.W. Kellogg
Pages 30-34
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Evaluation of Dry-Matter Loss, Nutritive Value, and In Situ Dry-Matter Disappearance for Wilting Orchardgrass Forages
Damaged by Simulated Rainfall
D.A. Scarbrough, W.K. Coblentz, J.B. Humphry, K.P. Coffey, T.C. Daniel, T.J. Sauer, J.A. Jennings, J.E. Turner, and D.W. Kellogg
Pages 35-38
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Estimating Losses of Dry Matter in Response to Simulated Rainfall for Bermudagrass and Orchardgrass Forages
Using Plant Cell Wall Components as Internal Markers
D.A. Scarbrough, W.K. Coblentz, J.B. Humphry, K.P. Coffey, T.J. Sauer, J.A. Jennings, T.C. Daniel, J.E. Turner, and D.W. Kellogg
Pages 39-44
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Using Orchardgrass and Endophyte-Free Fescue Versus Endophyte-Infected Fescue Overseeded on Bermudagrass for Cow Herds: Final Four-Year Summary of Forage Characteristics
W.K. Coblentz, K.P. Coffey, D.A. Scarbrough, T.F. Smith, K.F. Harrison, B.C. McGinley, D.S. Hubbell III, J.B. Humphry, J.E. Turner, and C.P. West
Pages 45-48
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Using Orchardgrass and Endophyte-Free Fescue Versus Endophyte-Infected Fescue Overseeded on Bermudagrass for Cow Herds: Final Four-Year Summary of Cattle Performance
W.K. Coblentz, K.P. Coffey, D.A. Scarbrough, T.F. Smith, K.F. Harrison, B.C. McGinley, D.S. Hubbell III, J.B. Humphry, J.E. Turner, and C.P. West
Pages 49-52
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Effect of Harvest Date on In Situ Disappearance, Forage Quality, and Yield of Brown Midrib and Non-Brown Midrib Sorghum x Sudangrass Hybrids
S. Hutchison, P.A. Beck, S.A. Gunter, T.C. Losi, J.M. Phillips, and C.B Stewart
Pages 53-55
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Impact of Rotation Frequency and Weaning Date on Performance by Fall-Calving Cow-Calf Pairs Grazing
Endophyte-Infected Tall Fescue Pastures
K.P. Coffey, W.K. Coblentz, T. Smith, D. Hubbell, III, D.S. Scarbrough, J.B. Humphry, B.C. McGinley, and C.F. Rosenkrans, Jr.
Pages 56-59
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Impact of Rotation Frequency and Weaning Date on Forage Availability, Species Composition, and Digestibility of
Endophyte-Infected Tall Fescue Pastures Overseeded with Crabgrass, Lespedeza, and Red and White Clover
K.P. Coffey, W.K. Coblentz, D.S. Scarbrough, J.B. Humphry, B.C. McGinley, T. Smith, D. Hubbell, III, and C.F. Rosenkrans, Jr.
Pages 60-65
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In Situ Digestibility of Tall Fescue Fertilized with Different Swine Manure Treatments and Harvested on Four Dates
J.L. Reynolds, R. Ogden, K.P. Coffey, C. Maxwell, and W.K. Coblentz
Pages 66-68
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Growth-Performance of Heifers Grazing Wheat and Ryegrass Pastures Sod-Seeded into Bermudagrass with Different Tillage Intensities and Seeding Dates
K.P. Coffey, G. Montgomery, W.K. Coblentz, W. Whitworth, and P. Francis
Pages 69-70
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Performance of Market Cows Grazing Stockpiled Tall Fescue
M.L. Looper, G.E. Aiken, S.F. Tabler, R. Flores, and C.F. Rosenkrans, Jr.
Pages 71-73
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Estrous Behavior and Pregnancy Rate of Brahman-Influenced Beef Cows after Treatment with Progesterone and Prostaglandin F2a
R. Flores, M.L. Looper, D.L. Kreider, C.F. Rosenkrans, Jr., and N.M. Post
Pages 74-76
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The Effects of Method of Castration, and/or Implantation on Cow/Calf Performance when Creep Grazing Either Tall Fescue or Crabgrass
C.B. Stewart, S.A. Gunter, P.A. Beck, J.M. Phillips, J. Parrish and T.R. Troxel
Pages 77-79
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Arkansas Beef Improvement Program: Whole-Farm Program
T.R. Troxel, M.S. Gadberry, J.A. Jennings, D.E. Kratz, G.V. Davis, and W.T. Wallace
Pages 80-82
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Arkansas Beef Improvement Program: Workshop and Program Evaluation
T.R. Troxel, M.S. Gadberry, J.A. Jennings, D.E. Kratz, G.V. Davis, and W.T. Wallace
Pages 83-88
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Arkansas Beef Improvement Program: Special Projects
T.R. Troxel, M.S. Gadberry, J.A. Jennings, D.E. Kratz, G.V. Davis, and W.T. Wallace
Pages 89-92
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Arkansas Steer Feedout Program 2002-2003
T.R. Troxel, M.S. Gadberry, S. Cline, G. Davis, and D.E. Kratz
Pages 93-96
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Sire Breed Effects on Preweaning Traits of Crossbred and Purebred Calves from Angus or Hereford Dams
E.L. Oxford, A.H. Brown, Jr., Z.B. Johnson and D.W. Kellogg
Pages 97-100
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Postpartum Maternal Behavior Score in Six Breed Groups of Beef Cattle
B.A. Sandelin, A.H. Brown, Jr., Z.B. Johnson, J.A. Hornsby, and R.T. Baublits
Pages 101-104
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Identification of Polymorphisms in the Enhancer Region of the Bovine Prolactin Gene
S.G. Black, R. Okimoto, and C.F. Rosenkrans, Jr.
Pages 105-107
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A Study of Selected Environmental Factors on Feed Intake of Performance-Tested Beef Bulls
G.T. Tabler, Jr., A.H. Brown, Jr., Z.B. Johnson, E.E. Gbur, Jr., I.L. Berry, D.W. Kellogg, and K.C. Thompson
Pages 108-111
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Utilization of Chemical Treatments to Reduce Escherichia coli O157:H7 in Cattle Manure
S.L. Krumpelman, J.K. Apple, E.B. Kegley, M.G. Johnson, and S.E. Watkins
Pages 112-115
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Use of Lactic Acid or Cetylpyridinium Chloride to Reduce Escherichia coli O157:H7 in Cattle Manure Incubated at 41.0 or 98.6°F
S.L. Krumpelman, J.K. Apple, E.B. Kegley, M.G. Johnson, and S.E. Watkins
Pages 116-120
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Incidence of Persistent Bovine Viral Diarrheal Infection in Arkansas Stocker Calves
J.G. Powell, M.D. Ratcliff, D.S. Hubbell, III, J.A. Hornsby
Pages 121-122
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Poultry Fat Addition to Finishing Rations Influences the Fatty Acid Composition of Muscle Tissue and Adipose Tissue
S. Hutchison, E.B. Kegley, J.K. Apple, T.J. Wistuba, and D.C. Rule
Pages 123-125
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Effect of Poultry Fat Addition to Finishing Rations on Beef Quality During Retail Display and Sensory Panel Evaluations
S. Hutchison, E.B. Kegley, J.K. Apple, T.J. Wistuba, and M.E Dikeman
Pages 126-128
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Performance of Yearling Stocker Cattle of Different Biological Types Developed under a Rotational Management-Intensive Grazing System
M.L. Thomas, D.W. Kellogg, A.H. Brown, Jr., Z.B. Johnson, and C.P. West
Pages 129-131
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Ultrasound and Carcass Measures of Different Biological Types of Beef Cattle Developed Under a Rotational
Management-Intensive Grazing System
M.L. Thomas, T.L. Perkins, A.H. Brown, Jr., R.T. Baublits, D.W. Kellogg, and Z.B. Johnson
Pages 132-135
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Sensory Characteristics of Beef from Three Biological Types of Cattle Grazing Cool-Season Forages Supplemented with Soyhulls
R.T. Baublits, F.W. Pohlman, A.H. Brown, Jr., Z.B. Johnson, D.O. Onks, and B.A. Sandelin
Pages 136-138
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Chemical, Fatty Acid, and Tenderness Characteristics of Beef from Three Biological Types of Cattle Grazing
Cool-Season Forages Supplemented with Soyhulls
R.T. Baublits, A.H. Brown, Jr., F.W. Pohlman, Z.B. Johnson, D.O. Onks, and B.A. Sandelin
Pages 139-143
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Interactive Effects of Ractopamine and Dietary Fat Source on Quality Characteristics of Fresh Pork Loins and Bellies
J.K. Apple, B.R. Kutz, C.V. Maxwell, L.K. Rakes, M.E. Davis, and T.A. Armstrong
Pages 144-146
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Interactive Effects of Ractopamine and Dietary Fat Source on Performance and Carcass Traits of Finishing Swine
J.K. Apple, B.R. Kutz, C.V. Maxwell, L.K. Rakes, Z.B. Johnson and T.A. Armstrong
Pages 147-150
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Effects of Supplemental Manganese on the Performance and Pork Carcass Composition of Growing-Finishing Swine
J.K. Apple, A.W. Tittor, C.V. Maxwell, J.B. Morgan, L.K. Rakes, M.E. Davis, J. Stephenson, and T.M. Fakler
Pages 151-155
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Effects of Supplemental Manganese Source on the Pork Quality During Seven Days of Retail Display
J.K. Apple, A.W. Tittor, J.B. Morgan, C.V. Maxwell, L.K. Rakes, J. Stephenson, and T. Fakler
Pages 156-159
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Effect of Weaning Age and Commingling After the Nursery Phase on Growth Performance, Mortality Rate, and
Behavioral Indicators of Welfare
M.E. Davis, J.K. Apple, C.V. Maxwell, S.C. Arthur, Z.B. Johnson, and M.S. Dirain
Pages 160-165
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Efficacy of NuPro in Nursery Diets
C.V. Maxwell, M.E. Davis, D.C. Brown, R. Dvorak, R Musser, and Z.B. Johnson
Pages 166-169
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Relationship Between Performance Test Traits and Subsequent Reproductive Performance of Yorkshire Females
Z.B. Johnson and R.A. Nugent III
Pages 170-172
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The Use of Coal Combustion Products (Fly Ash) for Reducing Mud Problems in Heavy Use Areas for Cattle
K. VanDevender and J.A. Pennington
Pages 173-175
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Organic Burial Composting of Cattle Mortality
K. VanDevender and J.A. Pennington
Pages 176-180
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DairyMetrics for Arkansas Herds in 2004
J.A. Pennington
Pages 181-184
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2003 Dairy Herd Improvement Herds in Arkansas
J.A. Pennington
Pages 185-186
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