Effect of duration of supplementation of selenium and vitamin E on periparturient dairy cows.

@article{Weiss1990EffectOD,
  title={Effect of duration of supplementation of selenium and vitamin E on periparturient dairy cows.},
  author={W. P. Weiss and Dr. John A. Todhunter and Joe S. Hogan and Kacey L. Smith},
  journal={Journal of dairy science},
  year={1990},
  volume={73 11},
  pages={3187-94}
}
Cows were fed diets either supplemented with .2 ppm Se and 70 IU vitamin E/kg diet DM (21 cows) or unsupplemented (40 cows) during the dry period (approximately 60 d). From parturition to 21 d of lactation, cows were fed diets that were either supplemented with .3 ppm Se and 40 IU/kg vitamin E or unsupplemented. At d 21 following parturition, 18 cows fed the unsupplemented diet were switched to diets containing 0 or .3 ppm supplemental Se and 0 or 40 IU/kg supplemental vitamin E arranged… CONTINUE READING