Effect of rumen-protected choline and methionine on physiological and metabolic disorders and reproductive indices of dairy cows.

@article{Ardalan2010EffectOR,
  title={Effect of rumen-protected choline and methionine on physiological and metabolic disorders and reproductive indices of dairy cows.},
  author={Mehrnaz Ardalan and K. Rezayazdi and Mehdi Dehghan-Banadaky},
  journal={Journal of animal physiology and animal nutrition},
  year={2010},
  volume={94 6},
  pages={e259-65}
}
The objective of this study was to investigate the effect of feeding different levels of ruminally protected methionine and choline on the incidence of physiological and metabolic disorders, production, and some of the reproductive indices of Holstein dairy cows. Forty Holstein dairy cows in their first and second lactation were used from 4-week pre-partum through 20-week post-partum and randomly assigned to receive one of the following treatments: 18 g/day of rumen-protected methionine (RPM… CONTINUE READING
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