2008 Proceedings
Author Index
Table of Contents
Committee Assignments 2007-2008
Front Cover
Minutes of the 2007 Western Section Business Meeting
Table of Contents
Graduate Student Paper Competition
Effect of Supplemental Energy on Post-Ruminal Utilization of Methionine By Growing Lambs
- S. A. Kuykendall, C. A. Loest, G. G. Gilliam, D. M. Griego, and D. M. Hallford...3
An Evaluation of Extruded-Expelled Cottonseed Meal as a Protein Supplement to Beef Cows Consuming Low Quality Forage
- S. J. Winterholler, D. L. Lalman, M. D. Hudson, and C. L Goad...7
Traditional and Self-Fed Cull Cow Feeding Programs: Evaluation of Performance and Economics
- F. D. Niemela, C. L. Loehr, and S. I. Paisley...11
Effects of Branched-Chain Amino Acid Supplementation on Growing Steers During an Endotoxin Challenge
- G. G. Gilliam, B. C. Graham, J. W. Waggoner, K. L. DeAtley, D. M. Hallford, and C. A. Loest...16
Reproductive Abnormalities in Omega-3 Fatty Acid Desaturase Transgenic Mice
- W. E. Pohlmeier, K. A. Lewis, and A. L. Van Eenennaam...20
The Effects of Dietary Potassium and Water Quality on Performance and Carcass Characteristics of Finishing Cattle
- J. L. Lacey, J. J. Wagner, T. E. Engle, J. W. Spears, and S. Archibeque...24
Gestational Nutrition Affects Growth and Adipose Tissue Deposition in Steers
- K. R. Underwood, J. F.Tong, J. M. Kimzey, P. L. Price, E. E. Grings, B. W. Hess, W. J. Means, and M. Du...29
Effect of Duration of Intravaginal Progesterone Insert (CIDR) Treatment on Pregnancy Rate Per AI in Dairy Heifers Using a Timed-AI Protocol
- C. R. Johnson, A. Ahmadzadeh, K. S. Jensen, S. Etter, R. Wilson, N. Dalton, and J. C. Dalton...33
Effects of Ractopamine Hydrochloride and Feeding Period on Carcass Quality and Sensory Characteristics in Market Dairy Cows
- J. D. Allen, J. K. Ahola, M. Chahine, J. I. Szasz, and C. W. Hunt...37
Behavior
Effect of RU486 on Development of Testicular Steroidogenesis and Ram Sexual Behavior
- P. Singh, K. J. Austin, V. A. Uthlaut, and B. M. Alexander...43
Feeding Grain Decreases Training Effectiveness in 2-Year-Old Quarter Horses
- W. R. Black, M. C. Greenwood, J. L. Weeding, S.J.J. Moreaux, L. C. Gagnon, and J.G.P. Bowman...47
Breeding and Genetics
Relationship Between Residual Feed Intake and Growth Performance, EPD Profiles, and Value Indices of Spring-Born Angus Bulls
- J. M. Cardin, S. P. Doyle, J. A. Harrington, K. L. Cooprider, C. R. Johnson, and L. Rechel...53
Altered Growth Curve Characteristics and Pregnancy Rate Levels in 34 Years of Brangus Cattle Production in the Chihuahuan Desert
- P. Luna-Nevarez, D. VanLeeuwen, D. W. Bailey, R. M. Enns, S. Soto-Navarro, G. A. Silver, and M. G. Thomas...57
Effect of Previous Experience on Grazing Distribution and Diet Quality of Brangus Cows in the Chihuahuan Desert
- D. W. Bailey, M. G. Thomas, J. W. Walker, B. K. Witmore, D. Tolleson, and C. C. Bailey...61
Evaluation of Columbia, Usmarc-Composite, Suffolk, and Texel Rams as Terminal Sires: Effects of Ram Breed on Ewe Productivity and F1 Lamb Survival and Growth
- T. D. Leeds, M. R. Mousel, D. R. Notter, K. A. Leymaster, and G. S. Lewis...65
Association of Microsatellite Eth10 Genotypes With Growth and Carcass Trait Levels in Brangus Cattle
- K. L. DeAtley, G. Rincon, C. R. Farber, J. F. Medrano, R. M. Enns, G. A. Silver, and M. G. Thomas...69
Genotypic Variation At the Prion Protein Gene Among Suffolk, Rambouillet, and Targhee Sheep
- M. K. Thompson and C. L. Gasser...72
Estimates of Genetic and Phenotypic Parameters of Performance Traits During Postweaning in Limousin Cattle
- A. P. Marquez, J. F. Montano, J. Saucedo, H. G Gonzalez, and Guerrero J. N....76
Environment and Livestock Management
Weaning Date Impacts on Backgrounding and Finishing Performance of May Born Angus Calves
- M. M. Stamm, C. S. Schauer, V. L. Anderson, and B. R. Ilse...83
Using a Yeast Preparation and Fibrolytic Enzyme as Replacements For Growth Hormone and Antibiotic in Natural Beef Production
- D. G. Landblom, C. J. Wachenheim, and T. A. Petry...87
Cow Nutrition Impacts Feedlot Pull Rate
- J. T. Mulliniks, S. H. Cox, S. L. Ivey, C. P. Mathis, J. E. Sawyer, M. K. Petersen...91
Feedlot Performance of Lambs From Different Backgrounding Systems
- R. R. Redden, R. W. Kott, L.M.M. Surber, J. A. Boles, A. W. Layton, and P. G. Hatfield...95
Evaluation of Implantable Rfid Microchips For Readability and Measurement of Body Temperature in Mature Horses
- L. E. Wallace, J. A. Paterson, L. Gagnon, R. Clark, K. Davis, and M. Miller...99
Effects of Winter Grazing System and Supplementation During Late Gestation on Performance of Beef Cows and Progeny
- R. N. Funston, J. L. Martin, D. C. Adams, and D. M. Larson...101
Effect of Calving Season and Wintering System on Cow Performance
- W. A. Griffin, T. J. Klopfenstein, D. C. Adams, G.E. Erickson, L.A. Stalker, and R.N. Funston...106
Influence of Grazing Deferments Following Summer Fire on Ewe Performance and Forage Quality
- R. C. Waterman and L. T. Vermeire...110
Beef Cow Performance Following Rumen-Protected Choline Supplementation During the Periparturient Period
- J. R. Jaeger, S. R. Goodall, K. R. Harmoney, and KC Olson...114
Reproduction in Young Postpartum Range Cows Supplemented With Glucogenic Precursors
- J. T. Mulliniks, M. E. Kemp, S. I. Valverde-Saenz, C. M. Gardner, S. H. Cox, A. Cibils, D. E. Hawkins, and M. K. Petersen...118
Evaluation of Calf Output and Progeny Carcass Data of Commercial Beef Bulls
- A. L. Van Eenennaam, D. J. Drake, and D. J.Garrick...122
Extension
Factors Influencing Price of North Dakota, South Dakota, and Montana Feeder Calves
- J. L. Leupp, G. P. Lardy, R. Daly, C. L. Wright, and J. A. Paterson...129
CSUBEEF.com as a Web Resource For Disseminating Beef Cattle Educational Information and For On-Line Access to the Cattle Producer’s Library
- J. C. Whittier, R. W. Ellis, D. Colburn, M. Fisher, M. Jarosz, S. P. Porter, and the Western Beef Resource Committee...133
The Effects of Age and Source Verification of Calves on Value Received on Superior Livestock Video Auctions
- A. Kellom, J. Paterson, J. Vanek, M. Watts, and M. Harbac...137
Management Simulation Tool For Estimating Value of Individual Identification of Beef Cattle
- J. W. Oltjen, D. J. Drake, A.B. Ahmadi, A.J. Romera, S.J.R. Woodward, L.N. Bennett, F. Haque4, L.J. Butler...140
Montana’s BVD-PI Screening Project
- Mo Harbac, C. Peck, J. Paterson, and B. Hoffman...142
NAIS Field Trials: Strengthening Identification of High-Risk Animals Using a Novel Identification Approach
- S. P. Porter, C. Smith, A. Clark, and J.C. Whittier...145
Extension Programming in Manure Management
- J. G. Davis, A. L. Elliott, and K. C. Doesken...148
A Survey Evaluation of California Beef Producers’ Best Management Practices and Perceptions of a National Animal Identification System
- S. P. Doyle, K. L. Cooprider, J. L. Evans, and V. J. Velez...151
Growth and Development
Development of Amp-Activated Protein Kinase Fluorescence Constructs For Monitoring Pluripotential Cell Differentiation
- J. M. Kimzey, R. J. McCormick, M. M. Stayton, and M. Du...157
Meat Science And Muscle Biology
Amp-Activated Protein Kinase (Ampk) Mediates Phosphorylation of Foxo Transcription Factors Independently of Insulin-Like Growth Factor-1 (IGF-1)/PKB Pathway in C2C12 Myotubes
- J. F. Tong, K. R. Underwood, X. Yan, M. J. Zhu, and M. Du...163
Nonruminant Nutrition
Effect of Sepiolite Supplementation on Broiler Growth Performances and Carcass Yield
- M. Hadj Ayed, I. Zghal, and B. Rekik...169
Effect of the Chromium Addition At the Diet on Reproductive Performance of Sows Served During the Summer Season
- J. A. Romo, R. Barajas, H. R. Guemez, J. M. Romo, and F. Juarez...173
Pastures and Forages
Use of the Cornell Net Carbohydrate and Protein System (CNCPS) For Predicting Beef Cattle Cow-Calf Production in Hawaii
- K. Buck, J. R. Carpenter, and B. W. Mathews...179
In Vitro Digestibility and Chemical Composition of Kikuyugrass as Influenced By Soil Silicon, Liming and Genotype
- J. R. Carpenter, B. W. Mathews, and L. E. Sollenberger...184
Nutritional Value, Milk Yield and Gas Production of Corn Silage Cut At Different Height
- D. Dominguez, A. Corral, G. Villalobos, H. Castillo, S. Ramirez, J. Ortega, and A. Muro...191
The Effects of Compost, Manure, and Urea on Yield and Forage Quality When Topdressed on a Perennial Forage Mix of Irrigated, Cool Season Grasses
- K. C. Doesken, J. G. Davis, J. E. Brummer, and T. E. Engle...195
Planting System and Maturity Stage on Production and Nutritional Value of Oat Hay
- D. Dominguez, S. Ramirez, J. J. Salmeron, G. Villalobos, A. Corral, and J. A. Ortega...199
Evaluation of Winter Cereals For Pasture in Montana
- A. N. Hafla, S. D. Cash, L.M.M. Surber, J. A. Paterson, A. W. Lenssen, A. L. Todd, and M. S. Huffman...203
Nutritional Implications of Fatty Acid Composition of Marrow of Four Bones From Grass-Fed Cattle
- D. C. Rule, C. M. Murrieta, K. Fulton, and L. Cordain...207
Perennial Forage Kochia For Improved Productivity of Grass Dominated Winter Grazing Pastures
- L. K. Greenhalgh, K. C. Olson, D. R. ZoBell, B. L. Waldron, A. R. Moulton, and B. W. Davenport...210
Estimating Livestock Forage Demand: Defining the Animal Unit (AU)
- T. L. Meyer, D. C. Adams, T. J. Klopfenstein, J. D. Volesky, L. A. Stalker, and R. N. Funston...213
Evaluation of Annuals Forages as Alternatives to Native Range as Fall-Winter Forage in South-Central North Dakota
- B. W. Neville, D. L. Whitted, P. E. Nyren, G. P. Lardy, and K. K. Sedivec...217
In Vitro Digestibility of Bromegrass Hay as Affected By Addition of Crude Glycerin
- V. Nayigihugu, P. L. Price, and B. W. Hess...221
Effect of Dry Distillers Grains Plus Solubles Supplementation Level on Characteristics of Forage Intake and Characteristics of Digestion of Beef Heifers Grazing Wheat Pasture
- A. Islas, M. Horvath, L. E. Camacho, and S. A. Soto-Navarro...225
Use of Dried Distillers Grains to Extend Range Capacity
- K. H. Gustad, J. A. Musgrave, L. A. Stalker, T. J. Klopfenstein, W. H. Schacht, D. C. Adams, and J. D. Volesky...231
Physiology
Age At Puberty in Beef Heifers: Criollo Cattle Versus British Crossbred Cattle
- S. I. Valverde-Saenz, J. D. Walsh, C. M. Gardner, J. T. Mulliniks, S. B. Schilling, D. M. Hallford, A. L. Gonzales, E. L. Fredrickson, K. K. Kane, and D. E. Hawkins...237
Neuroendocrine Function in Heifers Consuming Low Quality Dormant Forage
- J. D. Walsh, C. M. Gardner, S. I. Valverde-Saenz, M. B. Horvath, J. T. Mulliniks, D. M. Hallford, S. L. Lodge-Ivey, K. K. Kane, and D. E. Hawkins...241
Differential Expression of the Igf-I Gene in Endometrium of Ewes Fasted During the Luteal Phase of the Estrus Cycle
- A. Breton, K. J. Austin, E. A. Van Kirk, G. E. Moss, and B. M. Alexander...246
Pregnancy Rates and Serum Insulin-Like Growth Factor-I, Triiodothyronine, and Progesterone Profiles in Rambouillet Ewes Treated With Recombinant Bovine Somatotropin Before Breeding
- L. E. Camacho, J. M. Benavidez, and D. M. Hallford...249
Ovarian Function in Heifers Consuming Low Quality Dormant Forage
- C. M. Gardner, J. D. Walsh, S. I. Valverde-Saenz, M. B. Horvath, J. T. Mulliniks, D. M. Hallford, S. L. Lodge-Ivey, K. K. Kane, and D. E. Hawkins...253
Assessment of Insulin-Like Growth Factor-1 as an Indicator of Competence For Rebreeding in First Calf Heifers
- A. J. Roberts...257
Comparison of Salivary and Serum Cortisol Concentration in Response to Acth Challenge in Sheep
- D. T. Yates, T. T. Ross, D. M. Hallford, L. J. Hill, and R. L. Wesley...261
Seasonal and Pregnancy-Associated Changes in Energy-Related Metabolites and Hormones in Elk
- J. G. Berardinelli, R. Garrott, S. A. Tauck, J. R. C. Wilkinson, and J. R. Olsen...265
Histological Examinations of Major Organs from Sprague-Dawley Female Rats Fed Ruminaly Digested Snakeweed and Undigested Snakeweed
- L. J. Hill, T. T. Ross, R. F. Taylor, R. A. Halalsheh, and D. T. Yates...269
Effect of Wintering System, Nutrition Around Breeding and Prostaglandin on Reproduction and Calf Production of Beef Heifers
- D. M. Larson, R. D. Richardson, and R. N. Funston...273
Variations in Interval Between Gnrh and Prostaglandin F a Injections and Cidr Insertion For 5 Or 7 Days on Pregnancy Rate and Follicular Response
- A. Hyland, J. C. Whittier, G. E. Seidel Jr., R. M. Enns, and R. K. Peel...277
Efficacy of the Portascc® Milk Test to Estimate Somatic Cell Count (SCC) and Effect of Sampling Day on Constituents in Sheep Milk
- E. R. Kretschmer, D. W. Holcombe, G.C.J. Fernandez, and D. Redelman...281
Ruminant Nutrition
Limit Feeding Non-Lactating, Non-Pregnant Beef Cows With Bunkered Wet Distillers Grains Plus Solubles Or Distillers Solubles
- L. M. Kovarik, M. K. Luebbe, R. J. Rasby, and G. E. Erickson...287
Effects of Distiller’S Dried Grains With Solubles and Crude Glycerin on Performance and Carcass Characteristics in Early Weaned Beef Calves
- P. J. Gunn, R. P. Lemenager, M. C. Claeys, and S. L. Lake...290
Diverse Diets: the Inclusion of Distillers Dried Grains and Field Peas in Feedlot Rations
- B. R. Ilse and V. L. Anderson...295
Effects of Added Dietary Protein and Fat on Subcutaneous Adipose Tissue of Finsishing Lambs When Fed Differing Levels of Dried Distiller’S Grains With Solubles
- M. L. Van Emon, A. F. Musselman, P. J. Gunn, M. K. Neary, R. P. Lemenager, E. J. Scholljegerdes, and S. L. Lake...299
Evaluation of in Vitro Degradation of Plant Cell Walls With Ruminal Microbes
- R. Reyna-Islas, S. L. Lodge-Ivey, J. Browne-Silva, R. Creamer, and R. A. Khatib...305
Effects of Short-Term Oilseed Supplementation on Plasma Fatty Acid Composition in Lactating Beef Cows
- E. J. Scholljegerdes, L. A. Lekatz, and K. A. Vonnahme...308
Site and Extent of Nutrient Digestion in Lambs Fed Whole Canola, Brown Mustard, Or Camelina Seeds
- P. L. Price, V. Nayigihugu, D. C. Rule, J. M. Krall, and B. W. Hess...314
Effects of Maternal Nutrition and Selenium Supply on Jejunal Characteristics and MR a Expression of Angiogenic Factors and Receptors in Offspring At Harvest
- T. L. Neville, J. J. Reed, K. A. Vonnahme, P. P. Borowicz, J. B. Taylor, D. A. Redmer, J. S. Luther, C. J. Hammer, L. P. Reynolds, and J. S. Caton...318
Use of a Self-Fed, Small-Package Protein Supplement For Beef Cows Post-Weaning
- R. L. Endecott and R. C. Waterman...322
Energy Value of Corn and Barley in Beef Finishing Diets
- A. V. Grove, J. A. Cookson, T. K. Blake, and J.G.P. Bowman...326
Sorghum Silage Digestibility in Sheep
- G. M. Abdelrahim, C. Melton, V. Allen, and K. Pond...329
Effects of Elevated Dietary Nitrate on Production and Reproduction Parameters in Suffolk Ewes
- R. Cockrum, K. Austin, P. Ludden, and K. Cammack...332
Effects of Vitamin E, Zinc, By-Pass Protein, and Chlortetracycline Supplemented to Ewes of Different Age and Body Condition on Lamb Production and Indices of Immune Function
- R. R. Redden, R. W. Kott, J. A. Boles, A. W. Layton, and P. G. Hatfield...336
Natural Source Vitamin E Supplementation and Reproductive Efficiency in Beef Cows
- M. J. Richardson, R. P. Lemenager, N. Pyatt, and S. L. Lake...339
Effect of Level of Dry Distillers Grains Plus Solubles on Serum Hormone Concentrations in Feedlot Lambs
- Y. Diaz, A. Islas, D. M. Hallford, L. E. Camacho, J. M. Benavidez, and S. A. Soto-Navarro...343
Effects of Corn Condensed Distillers Solubles Supplementation on Performance and Dry Matter Intake of Beef Cows Consuming Forage-Based Diets
- L. R. Coupe, G. P. Lardy, A. M. Meyer, B. W. Neville, J. L. Leupp, and J. S. Caton...346
The Effects of Co-Ensiling Wet Distiller’S Grains Plus Solubles With Corn Silage on Growth Performance of Bred Beef Heifers During Late Pregnancy
- R. P. Arias, R. P. Lemenager, L. Unruh-Snyder, and S. L. Lake...350
Effects of Crude Glycerin on Feedlot Performance and Carcass Characteristics of Market Lambs
- A. F. Musselman, M. L. Van Emon, P. J. Gunn, C. P. Rusk, M. K. Neary, R. P. Lemenager, and S. L. Lake...353
Effect of Maternal Dietary Selenium and Nutrient Restriction on Fetal Jejunal Proliferation and Vascularity
- J. J. Reed, M. A. Ward, K. A. Vonnahme, T. L. Neville, P. P. Borowicz, J. B. Taylor, D. A. Redmer, A. T. Grazul-Bilska, L. P. Reynolds, and J. S. Caton...356
Impact of Nutrient Imbalance on Rumen and Blood Metabolites
- M. B. Horvath, S. L. Ivey, C. M. Gardner, J. D. Walsh, and D. E. Hawkins...360
Sulfur-Induced Polioencephalomalacia in Roughage-Fed Feedlot Steers Administered High-Sulfur Water
- C. W. Knight, K. C. Olson, C. L. Wright, K. J. Austin, K. M. Cammack, and R. Cockrum...364
Extract From Larrea Influences Rumen Fermentation
- J. Petersen, S. L. Lodge-Ivey, J. Browne-Silva, and M. B. Horvath...367
Ruminal Degradation Kinetics of Diets of Manzarina and Corn Silage For Sheep With the in Vitro Technique of Gas Production
- C. Arzola, A. Muro, M. R. Murphy, O. Ruiz, C. Rodriguez-Muela, J. Salinas, F. Salvador...371
Chromium Methionine Supplementation on Feedlot Performance and Carcass Characteristics of Bulls: Ii. Results Including Trough Hot and Humidity Season in the Northwest of Mexico
- R. Barajas, B. J. Cervantes, E. A. Velazquez, J. A. Romo, F. Juarez, P. J. Rojas, and F. R. Pena...374
Effect of Nutrient Restriction in Early Gestation Beef Cows on Maternal and Fetal Intestinal Mass and Jejunal Proliferation, Vascularity, and Morphology
- A. M. Meyer, J. J. Reed, K. A. Vonnahme, L. P. Reynolds, S. A. Soto-Navarro, B. W. Hess, S. P. Ford, and J. S. Caton...378
Chromium Methionine Supplementation on Feedlot Performance and Carcass Characteristics of Bulls: I. Results During Cool Season in the Northwest of Mexico
- R. Barajas, B. J. Cervantes, E. A. Velazquez, J. A. Romo, F. Juarez, and P. J. Rojas...383
Feeding Barley Beta-Glucans to Stimulate the Immune System of Calves Challenged With BVDV
- A.V. Grove, C. R. Kaiser, J. A. Wiley, A. G. Harmsen, and J.G.P. Bowman...387
Impact of Supplemented Glucogenic Precursors on Nutrient Partitioning in Young Postpartum Range Cows
- J. T. Mulliniks, M. E. Kemp, S. I. Valverde-Saenz, M. B. Horvath, S. H. Cox, A. Cibils, C. A. Loest, and M. K. Petersen...391
60% Dried Distillers Grains in Lamb Rations Results in Acceptable Performance and Carcass Quality
- C. S. Schauer, M. M. Stamm, T. Maddock, and P. B. Berg...396
Effect of Flaxseed Inclusion on Ruminal Fermentation, Digestion, and Microbial Protein Synthesis in Growing and Finishing Diets For Beef Cattle
- T. C. Gilbery, G. P. Lardy, D. S. Hagberg, and M. L. Bauer...400
Supplementation Practices of Beef Heifers in the Central Plains of Venezuela
- L. Depablos, J. Ordonez, S. Godoy, and C.F. Chicco...404
Effect of Feeding Levels on Body Weight Changes and Milk Production of Cows Under Tropical Conditions
- C. F. Chicco and S. Godoy...408
Effects of Feeding Dried Distillers Grains and Solubles to Growing and Finishing Beef Steers on Production, Digestibility, Ruminal Fermentation and Carcass Characteristics
- D. R. ZoBell, C. K. Chapman, R. D. Wiedmeier, and M. Stuart...412
Effect of a Fibrolytic Enzyme Supplementation on Growing Beef Steers
- J.-S. Eun, D. R. ZoBell, C. M. Dschaak, and D. E. Diaz...418
