Browsing College of Agriculture by Published Date "2006"

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Browsing College of Agriculture by Published Date "2006"

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  • Bryant, A.M.; Barnhardt, B.B.; Epp, M.P.; Glaenzer, S.J.; Blasi, Dale A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-08-02)
    This study was conducted to evaluate the performance of ISO 11785 radio frequency identification (RFID) cattle ear tags and readers under ideal laboratory conditions. Tag and reader manufacturer identities are masked to ...
  • Sulabo, R.C.; Quackenbush, J.; Nelssen, Jim L.; Goodband, Robert D.; Tokach, Michael D.; DeRouchey, Joel M.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009-10-20)
    Allometric relationships, in which linear body dimensions are expressed as a function of body weight, are commonly used in growth studies. Previous work at Kansas State University showed a positive correlation between ...
  • Portaluppi, M.A.; Tenhouse, D.E.; Stevenson, Jeffrey S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-11-29)
    Our objectives were to determine various factors influencing upfront single and multiple ovulation in response to GnRH in a timed arti-ficial insemination (TAI) protocol and subse-quent fertility after altering timing of ...
  • Smith, John F., 1962-; Grigsby, K.; Brouk, Michael J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-11-29)
    Forty lactating Holstein cows were allocated into groups of 5 cows each and assigned to 8 pens containing 10 freestalls each. Each group contained 3 heifers and 2 multiparous cows. Groups were balanced by milk production ...
  • Michaud, J. P.; Qureshi, Jawwad A. (2012-02-20)
    Adult Hippodamia convergens (Guerin) in reproductive diapause were collected from a spring cohort in western Kansas and held in pairs for the duration of their lives to assess female reproductive schedules under conditions ...
  • Schroeder, Ted C.; Ward, Clement E. (Kansas State University. North American Institute for Beef Economic Research, 2010-05-13)
    Concerns about potential impacts of captive supply on fed cattle prices have been present for several years in both Canada and the US. In Canada, the magnitude of concern escalated during closure of the US border to ...
  • Sulabo, R.C.; Quackenbush, J.; Goodband, Robert D.; Tokach, Michael D.; DeRouchey, Joel M.; Nelssen, Jim L.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009-10-20)
    There is almost no information on ideal growth rates for adult boars, but estimates can be made if the relationship between boar weight and age is known. Therefore, this study was aimed to predict growth rates in adult ...
  • Michaud, J. P.; Jyoti, J. L.; Qureshi, Jawwad A. (2011-10-27)
    Changes in Þtness parameters as a function of colony size (one versus 10 aphids) were measured in two biotypes (RWA1 and RWA2) of the Russian wheat aphid, Diuraphis noxia (Mordvilko) (Homoptera: Aphididae), feeding on ...
  • Carlin, R.; Troyer, Deryl L.; Weiss, Mark L.; Schultz, Bruce D.; Davis, Duane L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009-10-20)
    Since their discovery in 2000, pig umbilical cord stem cells have been studied at KState. The studies have been expanded to included other species, including humans. In addition, other research groups around the world ...
  • Llewellyn, Donald A.; Teutemacher, K.L.; Marston, T.T.; Sanderson, M.W.; Hollis, Larry C. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-08-02)
    Calves from a commercial beef herd were evaluated for weight gain differences based upon the bovine leukosis virus (BLV) serological status of their dams. One hundred forty-two multiparous cows from a commercial beef ...
  • Buttrey, B.S.; Burns, M.G.; Stevenson, Jeffrey S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-11-29)
    Experiments have shown human chorionic gonadotropin (hCG) to be more effective than GnRH as a means to induce ovulation of folli-cles. Dosages used, however, have differed greatly among experiments. A study was per-formed ...
  • Portaluppi, M.A.; Tenhouse, D.E.; Lloyd, A.; Eborn, D.R.; Kacuba, S.; DeJarnette, J.M; Stevenson, Jeffrey S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-11-29)
    We hypothesized that increasing concentrations of progesterone after artificial insemination (AI) would increase fertility. Our objective was to assess changes in ovarian structures, incidence of ovulation, and change in ...
  • Ahnström, M.L.; Seyfert, M.; Hunt, Melvin C.; Johnson, D.E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-08-02)
    The traditional dry-aging method for beef was compared with a novel technique of dry aging in a highly moisture-permeable vacuum bag. Paired beef strip loins were cut into four sections and were dry aged traditionally ...
  • Bremer, Dale J. (2009-03-02)
    Urban ecosystems are rapidly expanding and their effects on atmospheric nitrous oxide (N[subscript]2O) inventories are unknown. Our objectives were to: 1) measure the magnitude, seasonal patterns, and annual emissions of ...
  • Julstron, L.F.; Schmidt, Karen A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-11-29)
    Packaged, reduced-fat milk was subjected to a 20 min/day temperature cycle during a 7-day refrigeration period to determine the ef-fect on milk quality. Temperature cycling did not affect the compositional or microbial ...
  • Langemeier, Michael R.; Jones, R.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-08-02)
    This study evaluated scope efficiency (the degree of efficiency gained from producing more than one product within the same farm) for a sample of crop and beef farms in Kansas. Scope and economic efficiency were estimated ...
  • Brown, K.R.; Johnson, B.J.; Woodworth, J.C.; Goodband, Robert D.; Tokach, Michael D.; Nelssen, Jim L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009-10-20)
    We determined the effects of supplemental L-carnitine on the insulin-like growth factor (IGF) system in porcine embryonic myoblasts (PEM) from gilts. Forty gilts (BW = 303.6 lb) were allotted to 1 of 4 treatments that ...
  • Linneen, S.K.; Tokach, Michael D.; DeRouchey, Joel M.; Goodband, Robert D.; Nelssen, Jim L.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009-10-20)
    Two studies were conducted to test the effect of isoleucine amount and source on nursery pig performance. In Exp. 1, a total of 194 pigs were used in a 10-d study in a research facility to test the effects of isoleucine ...
  • Walker, D.K.; Higgins, James J.; Johnson, B.J.; Titgemeyer, Evan C. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-08-02)
    An experiment was conducted to evaluate the interaction between steroidal implantation and feeding ractopamine on nitrogen retention, blood metabolites, and messenger RNA (mRNA) expression. Six Holstein steers (initially ...

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