Browsing Dairy Day, 1997 by Title

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Browsing Dairy Day, 1997 by Title

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  • Stevenson, Jeffrey S.; Thompson, K. E.; Smith, J. F.; Hawkins, D. E. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Two experiments were performed using the same treatments. All heifers received two injections of PGF[subscript]2alpha 14 days apart. Controls then were inseminated after detected estrus. Heifers assigned to the two ...
  • Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Various programs of estrus synchronization have been tested during the last 6 years to determine the least costly and most efficacious for dairy heifer replacements. Four systems were tested: 1) a modified Ovsynch treatment ...