Browsing Dairy Day, 1984 by Title

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Browsing Dairy Day, 1984 by Title

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  • Stevenson, Jeffrey S.; Schmidt, M.K.; Call, Edward P. (Kansas Agricultural Experiment Station, 2012-10-04)
    To study the effects of gonadotropin-releasing hormone (GnRH) and timing of artificial insemination (Al) on fertility, 328 dairy cows were divided into four groups. Inseminations at first, second, or third service were ...
  • Corbeil, L.B.; Watt, B.; Corbeil, R.R.; Betzen, T.G.; Brownson, R.K.; Morrill, J.L. (Kansas Agricultural Experiment Station, 2012-10-04)
    Immunoglobulin (Ig) concentrations in serurn and in nasal secretions were correlated with pneumonia and diarrhea during the first 12 wk of life of dairy calves. The peak onset of pneumonia occurred between 2 and 4 wk of ...
  • Plunkett, S.S.; Stevenson, Jeffrey S.; Call, Edward P. (Kansas Agricultural Experiment Station, 2012-10-04)
    Two experiments were conducted in 17 dairy herds in NE Kansas to determine the effectiveness of prostaglandin F2α (PGF) for reducing intervals to conception for cows with silent or unobserved estrus. Cows that failed to ...
  • Call, Edward P.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station, 2012-10-04)
    Reproductive parameters were evaluated in 5,480 Holstein herds involving 335,673 cows to determine the reported negative genetic effect of production on reproduction. While higher producing herds had a slight decline in ...

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