Synchronization of estrus and fertility in goats with norgestomet ear implants.

@article{Bretzlaff1985SynchronizationOE,
  title={Synchronization of estrus and fertility in goats with norgestomet ear implants.},
  author={Katherine Nelle Bretzlaff and Nathan Madrid},
  journal={Theriogenology},
  year={1985},
  volume={24 3},
  pages={
          351-7
        }
}
Estrus was synchronized in 64 dairy goats in July with norgestomet ear implants. Half the does received ear implants that contained 6 mg norgestomet and the remaining does received implants that contained 3 mg. Implants were left in place for 11 days. Each doe received i.m. injections of 400 IU PMSG and 50 mug cloprostenol 24 hours prior to implant removal. Twenty-eight of 32 does (87.5%) that received 6 mg or 3 mg norgestomet exhibited onset of estrus within 24 hours of implant removal. All… CONTINUE READING
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