Browsing Cattlemen's Day, 1982 by Subject "Lutalyse"

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Browsing Cattlemen's Day, 1982 by Subject "Lutalyse"

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  • Simms, D.D.; Sprott, L.R.; Odde, Kenneth G.; Corah, L.R. (Kansas State University. Agricultural Experiment Station, 1982)
    In 22 field trials involving 1,692 cattle, we evaluated Lutalyse as an estrus-synchronization agent for both natural mating and artificial insemination. Only 52.7% of the females in all 22 trials were cycling at the start ...
  • Pruitt, R.J.; Corah, L.R.; Simms, D.D.; Spire, M.F. (Kansas State University. Agricultural Experiment Station, 1982)
    In six trials involving 486 heifers and 23 bulls, we studied factors affecting pregnancy rates of estrus-synchronized heifers mated naturally and evaluated indicators of bull fertility. Heavier heifers and those in fleshier ...