Browsing Dairy Day, 1987 by Subject "Estrous cycle"

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Browsing Dairy Day, 1987 by Subject "Estrous cycle"

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  • Call, Edward P.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station, 1987)
    Cow-side milk progesterone tests are effective in determining the presence of an active corpus luteum (CL) on the ovary. The test is best used as an adjunct to the Preventive Herd Health Program (PHHP) as a means of ...
  • Stevenson, Jeffrey S.; Stewart, R.E.; Call, Edward P. (Kansas Agricultural Experiment Station, 1987)
    In one large dairy herd, we examined the reproductive performance of 943 cows following early postpartum hormonal therapy utilizing gonadotropin-releasing hormone (GnRH or Cystorelin®) and prostaglandin F2-alpha (PGF). ...