Calving rate of cows following insemination after a 12-day treatment with silastic coils impregnated with progesterone.

@article{Roche1976CalvingRO,
  title={Calving rate of cows following insemination after a 12-day treatment with silastic coils impregnated with progesterone.},
  author={James F. Roche},
  journal={Journal of animal science},
  year={1976},
  volume={43 1},
  pages={164-9}
}
Farm trials were conducted to determine if the calving rate was different for control cows inseminated with frozen semen at estrus in comparison to cows treated with progesterone for 12 days and bred at the ensuing estrus. Intravaginal silastic coils impregnated with progesterone were used and an injection of 5 mg estradiol benzoate and 50 mg progesterone in corn oil was given at the time of insertion of the coils. Calving rate was not different when 315 Friesian dairy cows were allocated to… CONTINUE READING

References

Publications referenced by this paper.

Similar Papers

Loading similar papers…