Browsing Dairy by Title

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Browsing Dairy by Title

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  • Smith, M.W.; Hoffman, D.P.; Lamb, G.C.; Kobayashi, Y.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station, 2011-05-06)
    In Experiment 1, the effectiveness of two estrus-detection methods (visual observation vs radiotelemetric, pressure-sensitive, rumpmounted devices [HeatWatch®]) were compared in heifers. A pressure sensitive ...
  • Smith, J.F.; Harner, Joseph P.; Bradford, Barry J.; Overton, M.W. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-11-23)
    Low profile cross ventilated freestall buildings are one option for dairy cattle housing. These facilities allow producers to control the cows’ environment during all seasons of the year. As a result, an environment ...
  • Pulley, S.L.; Wallace, L.D.; Mellieon, H.I.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2012-09-07)
    The objective of this study was to evaluate the effects of equine chorionic gonadotropin (eCG) on various characteristics associated with an effective timed artificial insemination (AI) protocol in lactating dairy cows. ...
  • Pursley, J.R.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station, 2011-05-20)
    An experiment was conducted to examine the effects of GnRH on the secretion of FSH, LH, estradiol, and progesterone in serum and changes in ovarian structures. Dairy cows were assigned randomly to receive either 100 ...
  • 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 ...
  • Shirley, John E. (Kansas Agricultural Experiment Station, 2012-10-04)
    The present surplus of dairy products has led to a decrease in farm-level milk receipts. Future reductions in the federal milk price support program, together with a predictable increase in feed grain and protein supplement ...
  • 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 ...
  • Beharka, A.A.; Morrill, J.L.; Nagaraja, T. G. (Kansas Agricultural Experiment Station, 2011-05-25)
    Seventy-three, neonatal, Holstein, heifer calves in one experiment and 45 neonatal, Holstein, bull calves in another were used to study the effects of dietary Aspergillus oryzae extract (Amaferm) on calf performance. ...
  • Dunham, James R. (Kansas Agricultural Experiment Station, 2011-05-06)
    The first 305-2×-ME lactation record (after 45 days in milk) projected by the DHI program in 28 cows was not different from their first projected lactation record in a previous lactation in which recombinant bovine ...
  • Hammond, A.; Scheffel, Michael V.; Titgemeyer, Evan C.; Stevenson, Jeffrey S.; Shirley, John E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-12-01)
    One hundred and twenty Holstein heifers weighing approximately 450 lb at the beginning of the study were used to evaluate the impact of bambermycins (Gainpro®), monensin (Rumensin®), and lasalocid (Bovatec®) on performance ...
  • Anderson, K.L.; Nagaraja, T. G.; Morrill, J.L.; Reddy, P.G.; Avery, T.B.; Anderson, N.V. (Kansas Agricultural Experiment Station, 2012-09-20)
    Twenty-two newborn, bull calves were used to determine the effects of lasalocid on growth and feed intake of early-weaned calves from week 1 to 12. Calves were assigned to lasalocid or control groups on day 3. Lasalocid-fed ...
  • Velazco, J.; Morrill, J. L.; Brandt, Robert T., Jr.; Schalles, R. (Kansas Agricultural Experiment Station, 2011-08-02)
    Sixty-four Holstein steers were used to study the effect of season and age on performance. Animals beginning the trial in spring were heavier (P<.05) and more efficient than calves started in other seasons. There were ...
  • Ferdinand, E.E.; Titgemeyer, Evan C.; Park, A.F.; DeFrain, J.M.; Shirley, John E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-12-10)
    Wet corn gluten feed and soyhull-steep liquor pellets tended to increase dry matter intake and milk yield. Combining condensed corn steep liquor with raw soybean hulls provides a convenient source of digestible fiber ...
  • Bortone, E. J.; Daccarett, M. G.; Morrill, J. L.; Stevenson, Jeffrey S.; Feyerherm, A. M. (Kansas Agricultural Experiment Station, 2011-08-02)
    Holstein heifers from the Kansas State University Dairy Teaching and Research Unit were used from 3 mo of age until 21 d before estimated date of calving. They were fed either 100 (control, C) or 115% (enhanced, E) of ...
  • Titgemeyer, Evan C.; Shirley, John E. (Kansas Agricultural Experiment Station, 2011-05-06)
    Forty-four Holstein cows were used to measure milk production responses to dryrolled vs processed grain sorghum and expeller vs solvent soybean meal (SBM) in a 2×2 factorial arrangement of four treatments. Processing ...
  • Smith, J. F.; Harner, Joseph P.; Pulkrabek, B. J.; McCarty, D. T.; Brouk, Michael J.; Shirley, John E. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-07-22)
    Ninety-three multiparous Holstein cows averaging 130 days in milk (DIM) were utilized to evaluate three cooling treatments installed in separate pens of a four-row freestall barn in northeast Kansas during the summer ...
  • Smith, J. F.; Harner, Joseph P.; Pulkrabek, B. J.; McCarty, D. T.; Brouk, Michael J.; Shirley, John E. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-07-22)
    One hundred fifty-nine Holstein cows (66 primiparous and 93 multiparous) were assigned to each of three different cooling systems installed in two-row freestall barns on a northeast Kansas dairy. One barn was equipped ...
  • Meyer, M. J.; Smith, J.F.; Harner, Joseph P.; Titgemeyer, Evan C.; Shirley, John E. (Kansas Agricultural Experiment Station and Cooperative Extension Service., 2011-05-04)
    Ninety-six Holstein multiple-lactation cows averaging 115 days in milk (DIM) and 60 Holstein first-lactation cows averaging 97 DIM at the initiation of a 10-wk study between June 10 and August 22, 1998 were used to ...
  • Scheffel, Michael V.; Scoby, R.K.; Shirley, John E. (Kansas Agricultural Experiment Station, 2011-05-06)
    Sixty Holstein cows averaging 65 days in milk at the initiation of a 13-week study were used to evaluate three alfalfa haylages. Haylages were treated at the time of ensilation with either a Pioneer experimental ...
  • Hartadi, H.; Harbers, L.; Shirley, John E.; Bolsen, K. (Kansas Agricultural Experiment Station, 2011-08-02)
    Whole-plant silage from intercropped grain sorghum and Williams 82 soybean was compared to corn silage in a mixed diet for mid-lactation dairy cows. Cows fed the grain sorghum-soybean silage yielded 45.13 lb and those ...

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