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Adaptation of Warm-Season Annual Legumes for Forage in Southeastern New Mexico D. Calderon-Mendoza, A. Islas, M. F. Martinez-Perez, J. Armendariz, F. E. Contreras-Govea, S. Angadi, M. Marsalis, L. Lauriault, S. A. Soto-Navarro ............................................ 227 Effect of Winter Supplementation Strategy on Body Weight and Condition Changes F. W. Harrelson, S. L. Lodge-Ivey, S. H. Cox, R. L. Dunlap, C. A. Löest, and M. K. Petersen ....... 228 Adaptation of Fall Sown Medic, Pea, Vetch, and Lentil to the 2007-2009 Climate of the High Plains of Wyoming. C. L. Loehr, J. J. Nachtman, J. T. Cecil, S. I. Paisley, and J. M. Krall .......................... 231 Physiology Effect of Calf Separation During the 12-H Interval Between Two Prostaglandin Injection in Beef Cows Synchronized for Ovulation Using the 5-D Co-Synch + Cidr Protocol Priest, M. K. , R. K. Peel, W. D. Whittier and J. C. Whittier. ................................. 237 Reproductive Performance of Beef Heifers Exposed to Bulls during an Estrus Synchronization Protocol That Included a 14-D CIDR, PGF2α, and, Timed AI and GnRH J. G. Berardinelli, S. A. Tauck, J. R. C. Wilkinson, J. R. Olsen, T. Gibbs, and L. Runnion .......... 241 Effect of 6-H Vs 12-H Interval Between Two Prostaglandin Injections in Beef Cows Synchronized for Ovulation Using the 5-D Co-Synch + Cidr Protocol Priest, M. K. , R. K. Peel, J. C. Whittier, R. M. Enns and G. E. Seidel, Jr. ...................... 245 Use of 7 or 14 D CIDR Treatments in an Estrus Synchronization Protocol That Included PGF2α, and Timed AI and GnRH in Postpartum, Suckled Beef Cows S. A. Tauck, J. R. C. Wilkinson, J. R. Olsen, P. Olind, K. C. Davis, and J. G. Berardinelli .......... 248 Comparison of a Modified 5-Day Co-Synch Plus Cidr Protocol with Co-Synch Plus CIDR in Mature Beef Cows S. K. Johnson, J. R. Jaeger, K. R. Harmoney, and J. W. Bolte. ................................ 252 Effect of Targeted Use of a Controlled Internal Drug Releasing Device (CIDR) in an Estrous Synchronization System for Postpartum Beef Cows J. B. Hall, A. Ahmadzadeh, R. H. Stokes, J. K. Ahola, C. Stephenson, J. J. England, and J. B. Glaze, Jr. 255 Duration of Daily Bull Exposure on Resumption of Ovulatory Activity in Postpartum, Primiparous, Anovular, Suckled, Beef Cows S. A. Tauck, J. R. Olsen, J. R. C. Wilkinson, and J. G. Berardinelli ............................ 259 Growth and Attainment of Puberty in Calves from Beef Cows Supplemented with Linseed Meal During Late Gestation B. R. Ilse, V. L. Anderson, J. D. Kirsch, D. S. Buchanan, K. A. Vonnahme ...................... 263 Effects of Isolation on Serum and Salivary Cortisol and Complete Blood Counts in Ewes D. T. Yates, T. T. Ross, A. R. Otis, C. A. Warner, L. J. Yates, and D. M. Hallford ................. 266 Late Gestational Nutrition of the Mare and Subsequent Effects on Adrenal Function of the Offspring as a Yearling S. A. Burns, C. J. Hammer, J. A. Coverdale, C. A. Cavinder ................................. 270 Fasting Lowers Gastrin-Releasing Peptide and Fsh Mrna in the Ovine Anterior Pituitary Gland A. M. Fuller, K. J. Austin, A. J. Roberts, G. E. Moss, and B. M. Alexander. ..................... 275 Beef Cow Performance Following Rumen-Protected Choline Supplementation during the Prepartum Period J. R. Jaeger, K. C. Olson, S. R. Goodall, and J. W. Bolte .................................... 278 Reproductive Performance of Bison at the National Bison Range M. J. Borgreen, T. J. Roffe, K. Phillips, and J. G. Berardinelli . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .282 v
Duration of Daily Bull Exposure on Leptin Concentrations during Resumption of Ovulatory Activity in Primiparous, Postpartum, Anestrous, Beef Cows J. R. Olsen, S. A. Tauck, J. R. C. Wilkinson, D. H. Keisler, J. G. Berardinelli .................... 285 Investigation of a Novel Non-Surgical Method of Artificial Insemination for Sheep P. H. Purdy, H. D. Blackburn, B. Larson, R. Stobart ........................................ 290 Effect of Sex of Co-Twin and Breed on Ewe Flock Productivity V. A. Uthlaut, G. E. Moss, B. A. Larson, B. M. Alexander ................................... 294 Effects of 8-Epi-Prostaglandin F2α and Prostaglandin F2α on Progesterone Concentration and Corpus Luteum Size in Ewes D. T. Yates, T. T. Ross, L. J. Yates, and D. M. Hallford. ..................................... 297 Effects of Human Chorionic Gonadotropin on Serum Progesterone Concentration and Complete Blood Counts During Early Gestation in Ewes D. T. Yates, T. T. Ross, L. J. Yates, A. R. Otis, C. A. Warner, and D. M. Hallford ................. 301 Serum Progesterone Profiles and Conception Rates in Rambouillet Ewes Treated with Intravaginal Progesterone at Two Stages of the Estrous Cycle A. N. Iroz, L. E. Camacho, A. D. Stapp, K. A. Jurado, M. B. Horvath, and D. M. Hallford ......... 305 Serum Progesterone, Prolactin, and Thyroid Hormone Profiles in Nulliparous Rambouillet Ewes After Removal of an Intravaginal Progesterone Insert A. D. Stapp, K. A. Jurado, L. E. Camacho, A. N. Iroz, and D. M. Hallford ...................... 308 Microarray Analysis of Bovine Granulosa Cells from Normal and Cystic Follicles J. A. Grado-Ahuir, P. Y. Aad, and L. J. Spicer ............................................. 312 Serum Hormone Profiles and Cyclic Activity in Prepubertal Rambouillet Ewes Treated with Progesterone and Pregnant Mare’s Serum Gonadotropin K. A. Jurado, A. D. Stapp, L. E. Camacho, A. N. Iroz, and D. M. Hallford ...................... 316 Effect of Post Weaning GnRH-A Injection on Reproductive Performance of Sows J. A. Romo, J. M. Romo, O. S. Acuña, H. R. Guemez, R. Barajas, F. Juarez, and S. A. Felix ........ 320 Ovarian Activity Pospartum in Holstein Cows in Norwest of Mexico M. P. Gallegos, H. L. Castro, J. R. Cervantes, J. F. Villarreal, J. S. Saucedo, A. P. Márquez, M. F. Montaño ..................................................................... 323 Ruminant Nutrition Effects of Corn Condensed Distillers Solubles Supplementation on Dry Matter Intake, Performance, Rate and Site of Digestion, and Ruminal Fermentation in Steers Fed Moderate Quality Forages L. R. Coupe, G. P. Lardy, T. C. Gilbery, A. M. Meyer, J. L. Leupp, M. L. Bauer, and J. S. Caton ..... 329 In Situ Disappearance of High and Low Amylose Pea Varieties and Their Effects on Forage Digestibility In Vitro A. V. Grove, A. L. Heryford, M. E. Dawe, and J. G. P. Bowman .............................. 334 Digestibility of Dormant Warm Season Vegetation with Addition of Supplemental Protein P. H. Sanchez, S. L. Lodge-Ivey, S. H. Cox, R. L. Dunlap Ii, C. A. Löest, and M. K. Petersen ....... 338 Feeding Chile Pepper Byproduct with Alfalfa Hay Decreases Total Tract Diet Digestibility in Beef Steers B. C. Graham, D. Cazac, C. P. Mathis, and C. A. Löest ..................................... 341 Effects of Early Lactation on DMI, DM Digestion, and Ruminal Dynamics of Primiparous Beef Heifers Fed Low-Quality, Warm-Season Grass Hay D. R. Linden, K. C. Olson, J. R. Jaeger, L. W. Murray, D. E. Anderson, L. A. Pacheco, K. E. Holcomb, J. W. Bolte, N. A. Sproul, and M. D. Thomas ............................... 344 vi
Page 1 and 2: PROCEEDINGS Volume 60 American Soci
Page 3 and 4: Associations of Prolactin Receptor
Page 5: Analysis of Estrone Sulphate, Testo
Page 9 and 10: Effects of Time of Transporting Pri
Page 11 and 12: Academic Quadrathlon D.C. Rule (Uni
Page 13 and 14: 4. Strategic Plan. The A&C committe
Page 15 and 16: California, Davis are participating
Page 17 and 18: WSASAS Symposium Budget: (based on
Page 19 and 20: Proceedings, Western Section, Ameri
Page 21 and 22: costs) as “free money” or “pr
Page 25 and 26: Relative expression Relative expre
Page 29 and 30: Results and Discussion Calves were
Page 33 and 34: 0.10). Mixed model analyses of thes
Page 37 and 38: to be 0.11 and 0.14 in the two herd
Page 41 and 42: efficiency have significant implica
Page 45 and 46: pilot study that warrants more inve
Page 47 and 48: steer left the squeeze chute and a
Page 51 and 52: Gregory, M. E., C. T. Blunn, and M.
Page 53 and 54: et al. (1990) estimated heritabilit
Page 55 and 56: Effective population size (N e ), d
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Literature Cited Aho, A. V., B. W.
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Table 3. Estimates of genetic param
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261.98±20.24, 268.30±9.57, 298.50
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Table 1. Least squares means for bi
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DNA, then DNA was washed with EtOH
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Table 1. Least squares means and st
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(Table 1). Cows were combined into
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Rhoades, R. D., J. E. Sawyer, K. Y.
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pregnancy rate was determined via t
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Table 1. Effect of heifer developme
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determined via transrectal ultrason
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Table 1. Effect of winter system on
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Proceedings, Western Section, Ameri
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increased HCW of steers born earlie
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Proceeding, Western Section, Americ
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degrees of freedom method was used
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Table 2. Supplement × physiologica
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to water and a loose macro- and mic
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Table 2. Effects of calving body co
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ased on average quality and availab
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1 See figure legends for descriptio
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the most important criterions in ra
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Results Perceptions of profitabilit
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input cost into the system. Sand an
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Physiological state has also been h
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Table 3 Percent crude protein (CP),
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conducted for 90 d from Dec 1, 2007
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In f o Proceedings, Western Section
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identified in the commercially avai
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The absence of shade in pen decreas
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T e m Figure 2. Impact of three pre
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weaning date can have a positive im
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Table 1. Systems Backgrounding Perf
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Results and Discussion Maximum and
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Figure 2. Oxygen levels of two comp
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contemporary groups where two intac
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Sund, J. M. and M. J. Wright. 1956.
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thiamin), or 4) HIGH (150 mg·hd -1
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Literature Cited Buckner, C. D., T.
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Serum estradiol concentrations were
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Literature Cited AOAC. 1999. Offici
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Results The BFTH contained four and
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The genetic correlation between MS
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Acknowledgements Red Angus Associat
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absorbed from the small intestine (
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ather than May (P < 0.10). Differen
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May July Low Mod High SE Table 3. R
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Aubrey, TX) to achieve a concentrat
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hormone concentrations in stallions
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* * Figure 3. Mean cortisol concent
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in psyllium-supplemented horses but
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References AOAC. 1990. Official Met
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Implications If available and cost
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Slaughter Characteristic of Ram and
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2003). Study 2 included trials in J
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are more accurate than external mar
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than animals fed 24% CP-diet during
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Over complete 28 days fattening exp
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uminally undegradable protein presu
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Todd, A. L., L. M. M. Surber, S. D.
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2006. Effects of supplementing drie
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warm-season annual legumes were use
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parturition was similar for all cow
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Table 3. Average spring 2009 percen
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evaluated based on significant effe
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Table 1. Effect of supplemental cor
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ated by two ultrasound examinations
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Table 1. Percentages of heifers tha
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Treatment 2 was the 12 h interval o
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treated with a CIDR for 14 d exhibi
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≤ ≥ Table 1. Description of cow
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andomly assigned to CO-Synch+CIDR (
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Johnson, S. K., and R. D. Jones. 20
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ultrasound examinations of each ova
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Fernandez, D. L., J. G. Berardinell
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Statistical analysis Data were anal
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physical stress on the body and, th
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hypercortisolism is a characteristi
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FIG. 3. Mean circulating plasma con
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synthesise cDNA. The thermocycler p
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Proportion of cows that were estrua
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January, and homogenized samples fr
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exhibit the presence of a corpus lu
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Even though, mean leptin concentrat
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2004). The swine catheter was used
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Table 2. Breed effect on ewe longev
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the cannula to moderately inflate t
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PGE1, 8-epi-PGF2 alpha, trichosanth
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Experiment 2. Forty-two multiparous
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Table 1. Components of d 7 post-mat
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Medical Solutions Diagnostics, Los
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LITERATURE CITED Camacho, L. E., J.
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lood vessels occur in a physiologic
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after removal of the P4. This possi
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Results of this experiment indicate
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evaporation). The 2 nd component
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15 ng / mL de Progesterone 12 9 6 3
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collections were performed and tota
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Table 2. Effects of corn condensed
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characteristics of the maize grain
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Proceedings, Western Sections, Amer
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lovegrass straw supplemented with d
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Table 1. Dietary treatments Alfalfa
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dairy cows experienced a post-partu
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etention time and the extent of DMD
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Acknowledgement: Research supported
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BW was affected by supplementation
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(NOAA, 2007, 2008; data not shown).
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particles in the diet (Leonardi and
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indicative of larger villi that wou
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treatment, day, and all possible in
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Table 1. Ingredient composition of
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dried distiller’s grains (DDGS; D
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cattle tend to cost 39% more (Ferna
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and those where WDGS and DDGS were
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of preconditioning. This outcome is
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period prior to harvest. Although L
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Plain, R. 2006. Feeding distiller
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were maintained on a single, dorman
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Table 1. Botanical composition of d
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Leu, L-Val, L-Met, L-His, L-Lys, L-
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Table 2. Effects of abomasal Trp in
Page 395 and 396:
Table 1. Experimental supplements c
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Chen, P. S, T. Y. Toribara and H. W
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stimulate ad libitum intake and ort
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concentrate on the nutritive value
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Results and Discussion Dry matter i
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Crouse J.D., J. R. Busboom, R. A. F
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Table 2. Performance of weaned calv
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important role in enteric methane p
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Figure 1. Dynamics of rumen oxidati
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Table 1. Diet composition Item DM b
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120 +LPS -LPS 10.0 8.0 +LPS -LPS To
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(EE), respectively. Sunflower oil (
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Table 4: Fatty acid concentrations
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Kennely, J.J. 1996. The fatty acid
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Davis, K. C., 248 Davis, N. E., 372
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Orosco, G., 409 Ortega, J., 414, 42
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