Browsing Cattlemen's Day, 1999 by Author "Lamb, G.C."

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Browsing Cattlemen's Day, 1999 by Author "Lamb, G.C."

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  • Thompson, K. E.; Lamb, G.C.; Stevenson, Jeffrey S.; Grieger, David M. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-08-23)
    As in our previous studies, the GnRH + PGF2" treatment was very effective in inducing a fertile estrus and(or) ovulation. Ovulations induced in response to the first GnRH injection averaged 48% in three herds and ranged ...
  • Lamb, G.C.; Cartmill, J.A.; Hensley, B.A.; Marple, T.J.; Stevenson, Jeffrey S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-08-23)
    The Cosynch protocol (GnRH 7 days before and again 48 h after PGF2" with AI at the second GnRH injection) produced pregnancy rates in suckled beef cows that exceeded 50% without heat detection and with only three handlings ...
  • Lamb, G.C.; Cartmill, J.A.; Hensley, B.A.; El-Zarkouny, S.; Heldt, J.S.; Marple, T.J.; Stevenson, Jeffrey S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-08-23)
    The Select Synch protocol (GnRH at day - 7, PGF2 at day 0, AI at detected heat) was compared to protocols using either MGA + prostaglandin (Colorado system) or two injections of prostaglandin to synchronize estrus ...

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