Browsing Dairy Day, 1985 by Author "Stevenson, Jeffrey S."

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Browsing Dairy Day, 1985 by Author "Stevenson, Jeffrey S."

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  • Stevenson, Jeffrey S.; Lucy, M.C.; Call, Edward P. (Kansas Agricultural Experiment Station, 2012-10-04)
    Prolonged or delayed interval to first breeding is a major cause of long calving intervals. Our objective was to test two methods of artificial insemination by appointment after controlling the onset of estrus for all ...
  • Stevenson, Jeffrey S.; BenMrad, M. (Kansas Agricultural Experiment Station, 2012-10-04)
    A study of 234 Holstein cows was conducted to determine if hormonal treatments of gonadotropin-releasing hormone (GnRH or Cystorelin®) and(or) prostaglandin F2a (PGF or Lutalyse®) given early after calving would ...
  • Call, Edward P.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station, 2012-10-04)
    An analysis of 635 Kansas Holstein herds with 41,426 cows indicated that the negative genetic antagonism between production and reproduction can be overcome with good management practices. As rolling herd average increased, ...

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