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Pregnancy rates in dairy cattle after three different, timed, breeding protocols

Cartmill, J. A.; El-Zarkouny, S. Z.; Lamb, G. C.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-08-02)
Supplemental progesterone increases pregnancy rates and embryo survival in lactating dairy cows

El-Zarkouny, S. Z.; Cartmill, J. A.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-08-02)
Increasing pregnancy rates at first service in dairy cows exposed to high ambient temperatures before and after calving

Cartmill, J. A.; Rozell, Timothy G.; El-Zarkouny, S. Z.; Smith, John F., 1962-; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-08-02)
Using the ovsynch protocol for prompt re-insemination of cows diagnosed open at pregnancy checks

Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-08-02)