Browsing Dairy Day, 1997 by Subject "Lactating cows"

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Browsing Dairy Day, 1997 by Subject "Lactating cows"

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  • The effects of rbST (POSILAC®) on heat stressed, lactating, dairy cows
    Smith, J. F.; Shirley, J. E.; Titgemeyer, E. C. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Two hundred cows located on a commercial dairy in Mesquite, NM were used to evaluate response to rbST (Posilac®) during heat stress in the summer of 1996. Cows were paired by days in milk (average = 153 d at initiation of ...
  • Expeller soybean meal as a source of rumen undegradable protein for lactating dairy cows
    Shirley, J. E.; Piehl, D.; Titgemeyer, E.; Scheffel, M. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    The loss of meat and bone meal as a source of high quality protein for lactating cows creates an increased need for nonanimal sources. Fifty six Holstein cows were used to evaluate expeller soybean meal as a source of rumen ...