Browsing Dairy Day, 2001 by Title

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Browsing Dairy Day, 2001 by Title

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  • Richardson, A.M.; Hensley, B.A.; Stevenson, Jeffrey S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-12-10)
    Our objective was to determine fertility of heifers after synchronization of estrus using PGF2", preceded by progesterone, GnRH, or both. Dairy heifers (n = 246) were assigned randomly to three treatments: 1) 50 :g ...
  • Strahm, T.; Harner, Joseph P.; Murphy, James P.; McCormack, G.; Smith, J.F.; Key, David V. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-12-10)
    Sixty four percent of the fields (14 of 22) in northeast and south central Kansas would be able to apply dairy manure on a nitrogen basis if the current swine manure application regulations were adopted. Due to high ...
  • Dingwell, R.T.; Leslie, K.E.; Sargeant, J.M.; Schukken, Y.H.; Timms, L.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-12-10)
    A study of 250 cows located in Canada and the United States revealed the rate of new mammary infections was 9.9% during the dry period. Average milk production on the day prior to dry-off was 13.2 ± 7.2 kg. The odds ...
  • Smith, J.F.; Harner, Joseph P.; Brouk, Michael J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-12-10)
    A trial was conducted during the summer of 2000 to evaluate the effect of freestall building orientation—east-west vs. northsouth— on respiration rates of lactating dairy cows, temperature-humidity index (THI) in the ...
  • Chenoweth, P.J.; Smith, J.F. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-12-10)
    Natural service (NS) bulls are widely used on large dairy farms despite the wellproven genetic progress achievable through AI. Producers may choose to use NS bulls for a variety of reasons that are discussed below. ...
  • 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 ...
  • El-Zarkouny, S.Z.; Cartmill, J.A.; Richardson, A.M.; Medina-Britos, M.A.; Hensley, B.A.; Stevenson, Jeffrey S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-12-10)
    Postpartum anestrus is one of the major limitations to achieving acceptable pregnancy rates. The Ovsynch protocol is an excellent tool to improve reproductive efficiency of dairy cows because it can induce estrous ...

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