Effects of ionophores on cow herd production: a review.

  title={Effects of ionophores on cow herd production: a review.},
  author={L. R. Sprott and Terry Goehring and John R. Beverly and Larry Corah},
  journal={Journal of animal science},
  volume={66 6},
Feeding ionophores to beef cows or replacement heifers fed harvested forages increases weight gain and improves feed efficiency. These responses are influenced by diet quality and body condition of the animal. These compounds may reduce postpartum interval to estrus, but this effect appears to be diminished if nutritional status is poor. Although ionophores do not alter fertility, they decrease age at puberty in the female. These changes in reproductive performance appear to be related to a… CONTINUE READING